AS2856 British Telecommunications 🇬🇧 GB
British Telecommunications Limited. Announcing 552 prefixes, seen at the RIS collectors.
IPv4 prefixes
545
18,501,888 (72,273 × /24)
IPv6 prefixes
7
136 × /32
Upstreams
3
transit providers observed
Peers
10
settlement-free adjacencies
Downstreams
149
transit customers observed
Customer cone
161
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
Upstream graph
How this network reaches the rest of the internet, two hops out
Drawing the graph…
Only transit edges carried on more than fifty observed paths are drawn, so a large network's full neighbour list is deliberately not shown here.