AS2856 British Telecommunications 🇬🇧 GB
British Telecommunications Limited. Announcing 545 prefixes, seen at the RIS collectors.
IPv4 prefixes
538
18,467,328 (72,138 × /24)
IPv6 prefixes
7
136 × /32
Upstreams
2
transit providers observed
Peers
10
settlement-free adjacencies
Downstreams
149
transit customers observed
Customer cone
153
ASes reachable through it
Registry and operator data
- AS number
- AS2856
- Name
- British Telecommunications
- Organisation
- BTnet (BT's UK IP Network - AS2856)
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 1993-12-22
- Network type
- NSP
- Traffic levels
- 1-5Tbps
- Scope
- Regional
- Peering policy
- Selective
- IRR as-set
- RIPE::AS-BTGB
- Website
- http://www.bt.net
- PeeringDB
- net/281
- Exchanges
- 2
- Facilities
- 3
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Internet exchange presence
From PeeringDB, which networks maintain themselves
| Exchange | City | Country | IPv4 | IPv6 | Speed | Route server |
|---|---|---|---|---|---|---|
| LINX LON1 | London | 🇬🇧 GB | 195.66.224.10 | 2001:7f8:4::b28:1 | 200 G | no |
| LINX LON1 | London | 🇬🇧 GB | 195.66.224.69 | 2001:7f8:4::b28:2 | 100 G | no |
| LINX LON1 | London | 🇬🇧 GB | 195.66.227.42 | 2001:7f8:4::b28:6 | 200 G | no |
| LINX LON2 | London | 🇬🇧 GB | 195.66.236.10 | 2001:7f8:4:1::b28:2 | 100 G | no |
| LINX LON2 | London | 🇬🇧 GB | 195.66.236.11 | 2001:7f8:4:1::b28:1 | 100 G | no |