AS2856
British Telecommunications PLC ISP registered in United Kingdom
481IPv4 prefixes
6IPv6 prefixes
69%RPKI-valid
#340AS Rank
#6Rank in United Kingdom
1993-12-22Allocated
British Telecommunications PLC (AS2856) — ISP, registered in United Kingdom. announces 481 IPv4 prefixes + 6 IPv6 prefixes. Rank in United Kingdom: #6. Allocated: 1993-12-22.
IPv4 481IPv6 6
Announced prefixes · 487
- v4 192.65.226.0/24 valid
- v4 192.65.227.0/24 valid
- v4 192.65.228.0/24 valid
- v4 192.8.112.0/24 unknown
- v4 192.8.149.0/24 unknown
- v4 193.111.18.0/24 valid
- v4 193.111.19.0/24 valid
- v4 193.113.0.0/16 valid
- v4 193.138.107.0/24 unknown
- v4 193.187.140.0/22 valid
- v4 193.195.138.0/24 unknown
- v4 193.23.32.0/24 unknown
- v4 193.32.46.0/24 unknown
- v4 193.32.48.0/24 unknown
- v4 193.33.199.0/24 unknown
- v4 193.35.128.0/20 valid
- v4 193.35.158.0/23 unknown
- v4 193.35.160.0/23 unknown
- v4 193.35.197.0/24 unknown
- v4 193.35.220.0/22 unknown
- v4 193.36.240.0/24 unknown
- v4 193.36.243.0/24 unknown
- v4 193.36.253.0/24 unknown
- v4 193.36.78.0/23 valid
- v4 193.36.80.0/22 valid
- v4 193.36.80.0/24 valid
- v4 193.37.142.0/24 unknown
- v4 193.37.160.0/20 valid
- v4 193.38.192.0/22 unknown
- v4 193.38.192.0/23 unknown
- v4 193.38.194.0/23 unknown
- v4 193.39.141.0/24 unknown
- v4 193.84.142.0/24 unknown
- v4 194.102.0.0/19 valid
- v4 194.132.24.0/24 valid
- v4 194.132.25.0/24 valid
- v4 194.155.58.0/24 unknown
- v4 194.169.32.0/21 unknown
- v4 194.189.44.0/24 unknown
- v4 194.227.120.0/24 unknown
- v4 194.227.72.0/24 unknown
- v4 194.227.73.0/24 unknown
- v4 194.246.78.0/24 unknown
- v4 194.32.20.0/22 unknown
- v4 194.32.207.0/24 unknown
- v4 194.32.29.0/24 unknown
- v4 194.32.31.0/24 unknown
- v4 194.35.183.0/24 valid
- v4 194.36.135.0/24 unknown
- v4 194.36.68.0/24 unknown
RPKI: rpki.cloudflare.com · 2026-06-20
— Routing status unavailable
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 481 |
| 2026-06-13 | 481 |
| 2026-06-16 | 481 |
| 2026-06-19 | 487 |
| 2026-06-20 | 487 |
Internet Exchanges · 2
Facilities · 3
AS topology · Customer cone 154
Providers · 4
Peers · 92
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