BRITISH TELECOMMUNICATIONS LIMITED
British Telecommunications PLC
GLEIF verified
LEI
549300OWFMSO9NYV4H90
Registered name
BRITISH TELECOMMUNICATIONS LIMITED
Jurisdiction
Ultimate parent
BT GROUP PLC
213800LRO7NS5CYQMN21
Cluster stats
| Netblocks | 1,194 |
| All fragments | 1,626 blocks across 140 clusters |
| Cluster ID | 191593160 |
| Registry | APNIC |
| Owner jurisdiction | GB |
| Customers | find customers using 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 | 20 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
1,194
0 netblocks since 2026-07-05
2026-07-05
peak 1,194
2026-07-06
IP Ranges (1,194)
showing 50 of 1,194 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.35.192.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 5.80.0.0/15 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 5.81.0.0/16 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 9.151.0.0/19 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 9.151.208.0/20 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 9.151.248.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 9.237.96.0/19 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 9.237.192.0/19 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 15.145.20.0/22 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.26.70.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.26.108.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.26.117.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.26.131.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.26.192.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.32.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.33.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.34.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.35.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.36.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.37.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.38.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.39.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.40.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.102.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.103.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.104.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.105.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.106.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.107.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 23.27.108.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.11.56.0/23 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.48.0.0/13 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.90.0.0/15 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.92.0.0/15 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.94.0.0/16 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.0.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.14.0/23 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.16.0/20 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.48.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.56.0/24 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.96.0/19 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.160.0/20 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.184.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.208.0/21 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.218.0/23 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.95.220.0/22 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.96.0.0/16 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.100.0.0/14 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.104.0.0/16 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
| 31.106.0.0/15 | British Telecommunications PLC | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
77.8%
of checked blocks have valid RPKI ROA coverage
(929 of 1,194)
No discrepancies found among checked blocks.
NIC Handles
AB34802-RIPE
AC1613-AP
AK1137-AP
AO-NET-MNT
AR834
ARCOR-MNT
AS12576-MNT
AS13205
AS15525-MNT
AS1849-MNT
AS2068-AP
AS2856
+88 more