British Telecommunications Limited
ORG-BT4-RIPE
BGP inherited
Cluster stats
| Netblocks | 71,487 |
| All fragments | 904,731 blocks across 3,357 clusters |
| Cluster ID | 208778145 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
71,487
+138 netblocks since 2026-07-05
2026-07-05
peak 71,487
2026-07-13
IP Ranges (71,487)
showing 50 of 71,487 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2a00:2381:20::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:25::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:2c::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:34::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:35::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:37::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:44::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:46::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:5f::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:6a::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:6b::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:6c::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:92::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:98::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:9d::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:a0::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:a4::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:a8::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:ac::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:ba::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:be::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:c3::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:d0::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:d7::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:da::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:e7::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:ea::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:ef::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:f2::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:fe::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:107::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:10b::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:10c::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:118::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:11b::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:126::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:128::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:136::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:13e::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:140::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:14b::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:152::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:161::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:167::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:16d::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:16e::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:17e::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:18e::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:192::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
| 2a00:2381:1d7::/48 | UNKNOWN | RIPE | AGGREGATED-BY-LIR | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(1,999 of 2,000, sampled from 71,487)
No discrepancies found among checked blocks.
NIC Handles
BTENT-MNT
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
ICH-MNT