ResearchRouting table, RPKI, IRR & looking glass

AS211389 Briant Broadband Limited

AS211389 (briantbroadband) is registered to Briant Broadband Limited in GB. It originates 7 prefixes in the global routing table.

6
IPv4 prefixes
1
IPv6 prefixes
1,536
IPv4 addresses
85%
RPKI valid

Who holds AS211389

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

AS number
AS211389
Handle
briantbroadband
Organization
Briant Broadband Limited
Country
GB
ASPA
None published

What AS211389 announces

Prefixes originated by AS211389 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
1
IPv4 addresses
1,536 (6 /24s)
RPKI valid
6 85%
RPKI invalid
0
RPKI not found
1
ROAs naming AS211389
4
With an IRR route object
7 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS211389 is reached through

The AS just before AS211389 in the paths our looking glass collectors hold, for 7 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.

Sourceas-nameMaintained by
RIPEbriantbroadbandRIPE-NCC-END-MNT, UK-GLOBALREACH-1-MNT, LIR-UK-BRIANT-1-MNT

Route objects with origin AS211389: RIPE 9

as-sets that list AS211389 (3)