ResearchRouting table, RPKI, IRR & looking glass

AS6871 British Telecommunications Limited

AS6871 (Plusnet) is registered to British Telecommunications Limited in GB. It originates 64 prefixes in the global routing table.

61
IPv4 prefixes
3
IPv6 prefixes
2,097,664
IPv4 addresses
89%
RPKI valid

Who holds AS6871

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS6871
Handle
Plusnet
Organization
British Telecommunications Limited
Country
GB
ASPA
None published

What AS6871 announces

Prefixes originated by AS6871 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
61
IPv6 prefixes
3
IPv4 addresses
2,097,664 (8,194 /24s)
RPKI valid
57 89%
RPKI invalid
1
RPKI not found
6
ROAs naming AS6871
58
With an IRR route object
63 98%

Who AS6871 is reached through

The AS just before AS6871 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.