BRITISH TELECOMMUNICATIONS LIMITED
British Telecommunications Limited
Data as of 2026-09-06
GLEIF verified
Complete entity footprint
7 linked clusters ·
96,193 netblocks ·
19,105,079 IPv4 addresses ·
172 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
and
shared operating domain plus.net
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
549300OWFMSO9NYV4H90
Registered name
BRITISH TELECOMMUNICATIONS LIMITED
Jurisdiction
Ultimate parent
BT GROUP PLC
213800LRO7NS5CYQMN21
This organisation
| Netblocks | 1,142 · 17,235,036 IPv4 addresses |
| IPv6 | 146 prefixes (largest 2a00:2000::/22) |
| Registered in | United Kingdom (696) · United States (194) · LT (31) · United Arab Emirates (29) · Germany (27) · Australia (22) |
| Also registered under this name | 1,238 netblocks across 2 separate records |
| Record ID | 236112610 |
| Registry | BGP |
| Owner jurisdiction | GB |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300OWFMSO9NYV4H90 |
| Shared handles | clustered on 100 shared RIR contact/maintainer handles |
| Registry names | 12 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (1,142)
showing 500 of 1,142 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 31.11.56.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.0.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.14.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.16.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.48.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.56.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.64.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.96.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.160.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.184.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.208.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.218.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.220.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.240.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.246.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.248.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.95.254.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.108.0.0/14 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.125.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.185.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 31.185.128.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 37.152.192.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 46.208.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 46.248.8.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 46.248.10.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 51.6.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 51.9.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.0.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.1.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.2.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.4.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.7.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.8.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.11.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.12.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.15.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.20.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.24.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.28.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.31.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.32.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.34.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.36.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.36.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.39.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.40.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.44.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.48.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 61.14.52.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.5.0.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.102.0.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.134.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.172.0.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.173.192.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 62.180.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.128.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.128.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.131.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.132.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.132.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.135.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.136.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.138.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.139.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.140.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.144.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.144.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.147.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.148.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.151.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.152.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.155.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.156.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.159.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.160.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.163.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.164.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.165.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.168.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.171.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.172.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.173.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.174.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.176.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.180.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.184.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.187.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.189.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 63.250.191.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 72.29.128.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 72.29.132.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.0.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.0.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.5.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.6.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.7.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.9.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.10.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 78.109.11.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.189.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.229.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.255.160.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.255.160.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.255.161.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 80.255.162.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 81.174.128.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 82.138.160.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 82.150.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 83.216.128.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 84.51.128.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 84.92.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 87.112.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 87.113.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 87.114.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 87.115.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 91.125.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 132.244.64.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 132.244.72.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 132.244.240.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.84.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.85.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.168.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.185.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.187.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.224.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.229.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.232.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.238.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.239.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.240.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.241.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 136.238.243.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 137.213.239.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 137.213.252.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 143.159.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 143.223.132.0/24 | British Telecommunications PLC | ARIN | ASSIGNMENT | ● high |
| 146.66.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 146.90.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 146.198.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 146.199.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 146.200.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 147.147.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 150.143.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 166.49.128.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 185.94.0.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 185.249.4.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 185.249.5.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 185.249.6.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.31.31.0/24 | British Telecommunications Limited | RIPE | LEGACY | ● high |
| 192.92.18.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.19.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.20.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.24.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.80.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.92.82.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.109.52.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.157.130.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.157.132.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.157.136.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.157.144.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.157.160.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 192.237.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 193.58.130.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 193.202.26.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.33.52.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.33.53.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.33.54.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.33.55.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.50.160.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.74.80.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.75.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.75.80.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.75.220.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.76.40.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.107.114.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 194.213.64.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.36.82.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.36.104.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.60.182.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.60.183.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.66.70.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.90.64.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.99.8.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.99.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.99.64.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.99.88.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.99.224.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.100.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.163.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.166.128.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.171.36.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.182.96.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.206.69.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.206.70.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 195.213.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.137.75.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.178.236.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.178.237.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.178.239.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.64.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.67.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.68.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.72.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.74.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.75.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.76.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.78.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.79.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.80.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 198.207.127.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 199.6.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.158.68.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.158.72.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.158.76.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.158.88.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.158.89.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.187.128.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.187.128.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.187.145.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 203.187.146.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.52.187.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.52.188.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.79.84.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.140.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.231.0.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 204.231.128.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 205.248.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.48.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.80.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.112.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.116.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.73.156.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.182.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.182.128.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.182.134.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.182.164.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 206.182.192.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 207.117.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 207.209.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 207.209.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 207.209.64.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 209.28.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 209.28.174.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 209.93.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.8.160.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.21.192.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.31.192.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.41.128.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.56.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.108.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.127.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.140.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.140.32.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.140.48.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.159.0.0/17 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.159.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.159.8.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.159.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.159.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 212.162.192.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.15.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.31.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.137.160.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.162.96.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.194.0.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 213.236.64.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.30.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.32.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.112.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.148.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.152.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.160.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.32.176.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.39.16.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.39.112.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.45.24.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.45.96.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.46.24.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.46.128.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.140.0.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.140.12.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.140.12.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.140.13.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 217.140.32.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2001:740::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:1000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:1f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:2000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:2f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:3000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:3f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:8000::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:8400::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:8800::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:c000::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2402:fb00:c200::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:1000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:1f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:2000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:2f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:3000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:3f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:4000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:4f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:5000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:5f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:6000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:7000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:7f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:8000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:8f00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:9000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:c000::/36 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:d000::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:d400::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:d600::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:d800::/38 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:dc00::/38 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2606:f100:e400::/39 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2000::/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2080::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2081::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2082::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2083::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2084::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2086::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2089::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:208a::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:208b::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:208c::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:208d::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2090::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2094::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2095::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2096::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2097::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200::/25 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:200::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:300::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:900::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:b00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:d00::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:2000::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2200:5300::/40 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2280::/25 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a00:2300::/25 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a02:16c8::/32 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a02:16c8::/35 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a06:7200::/29 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 2a0c:7c80::/29 | British Telecommunications Limited | BGP | ANNOUNCED | ● high |
| 5.35.192.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 5.80.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 5.81.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 5.181.136.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.151.0.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.151.208.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.151.248.0/21 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.232.192.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.233.48.0/20 | British_Telecommunications | RIPE | LEGACY | ● low |
| 9.237.96.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.237.128.0/18 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 9.237.192.0/19 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 15.145.20.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.26.70.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.26.108.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.26.117.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.26.131.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.26.192.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.32.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.33.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.34.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.35.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.36.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.37.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.38.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.39.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.40.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.102.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.103.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.104.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.105.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.106.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.107.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.27.108.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.230.82.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.230.242.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 23.230.252.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.11.56.0/21 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 31.48.0.0/13 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 31.90.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.92.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.94.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.95.58.0/23 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.72.0/22 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.80.0/22 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.128.0/20 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.176.0/22 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.228.0/22 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.232.0/22 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.95.238.0/23 | British Telecommunications Limited | RIPE | SUB-ALLOCATED PA | ● low |
| 31.96.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.100.0.0/14 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.104.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.106.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.112.0.0/14 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.116.0.0/14 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.116.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.117.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.118.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.119.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.120.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.121.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.122.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.124.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.126.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 31.130.240.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.44.229.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.44.230.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.44.231.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.46.1.40/30 | BRITISH_TELECOMMUNICATIONS_WELSH_GOVERNMENT | RIPE | ASSIGNED PA | ● low |
| 37.46.1.44/30 | BRITISH_TELECOMMUNICATIONS_WELSH_GOVERNMENT | RIPE | ASSIGNED PA | ● low |
| 37.46.7.224/27 | BRITISH_TELECOMMUNICATIONS_PLC | RIPE | ASSIGNED PA | ● low |
| 37.97.112.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.143.0.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 37.230.61.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 40.27.28.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 40.27.72.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 45.39.116.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 45.39.188.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 45.149.7.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 45.149.168.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 45.149.170.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.68.0.0/15 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.68.66.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.248.96.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.248.102.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.248.104.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 46.248.120.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 50.117.7.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 50.117.51.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 50.118.154.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.14.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.64.32.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.64.34.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.64.35.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.146.44.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.146.56.0/22 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.146.128.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.146.132.0/22 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.146.136.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.146.235.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.146.252.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.149.18.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.149.19.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.194.36.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.194.40.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.194.88.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.194.100.0/22 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.194.104.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.194.120.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● low |
| 51.230.0.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.16.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.32.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.48.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.64.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.80.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.96.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.112.0/20 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.230.255.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.241.3.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 51.241.201.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.6.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.6.0.0/15 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 62.7.0.0/16 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.80.64.0/19 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 62.172.0.0/16 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 62.180.115.0/24 | British Telecommunications Limited | RIPE | ASSIGNED PA | ● low |
| 62.192.124.0/23 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.216.237.180/30 | BRITISH_TELECOMMUNICATIONS_PLC | RIPE | ASSIGNED PA | ● low |
| 62.216.248.40/29 | BRITISH_TELECOMMUNICATIONS_PLC | RIPE | ASSIGNED PA | ● low |
| 62.239.0.0/16 | British Telecommunications Limited | RIPE | ALLOCATED PA | ● low |
| 62.244.11.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.12.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.29.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.36.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.37.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.41.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.43.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.45.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
| 62.244.56.0/24 | British Telecommunications Limited | BGP | ANNOUNCED | ● low |
IPv6 ranges (146)
showing the 15 largest allocationsFootprint over time
8 weekly snapshots · JSON
1,236
+41 netblocks since 2026-07-13
2026-07-13
peak 1,236
2026-09-06
Domains hosted in this network
what's this?Customer-delegated space
how is this classified?
Unclassified
1,183 (103.6%)
Customer access pools
53 (4.6%)
Corporate group (4 confirmed entities)
+40,501 additional unconfirmed candidates not shown — full list (JSON)- BT Italia S.p.A. 60 blocks
- BT-FRANCE-SAS 2 blocks
- EVERYTHING-EVERYWHERE-LTD 1 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
78.4%
of checked blocks have valid RPKI ROA coverage
(969 of 1,236)
No discrepancies found among checked blocks.
NIC Handles
AB34802-RIPE
AO-NET-MNT
AR834
ARCOR-MNT
AS12576-MNT
AS13205
AS15525-MNT
AS25180
AS2856
AS3254-MNT
AS3257-IPAM-MNT
AS3300
+88 more