British Telecommunications Limited

ORG-BT4-RIPE
BGP inherited
Cluster stats
Netblocks71,487
All fragments 904,731 blocks across 3,357 clusters
Cluster ID208778145
RegistryRIPE
Customersfind 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