ResearchRouting table, RPKI, IRR & looking glass

AS201838 Community Fibre Limited

AS201838 (ASN-COMMUNITYFIBRE) is registered to Community Fibre Limited in GB. It originates 103 prefixes in the global routing table.

101
IPv4 prefixes
2
IPv6 prefixes
221,952
IPv4 addresses
97%
RPKI valid

Who holds AS201838

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

AS number
AS201838
Handle
ASN-COMMUNITYFIBRE
Organization
Community Fibre Limited
Country
GB
ASPA
None published

What AS201838 announces

Prefixes originated by AS201838 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
101
IPv6 prefixes
2
IPv4 addresses
221,952 (867 /24s)
RPKI valid
100 97%
RPKI invalid
0
RPKI not found
3
ROAs naming AS201838
103
With an IRR route object
103 100%

Announced prefixes

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

IPv4 (101)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS201838 is reached through

The AS just before AS201838 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.

Sourceas-nameMaintained by
RIPEASN-COMMUNITYFIBRERIPE-NCC-END-MNT, CFL-MNT

Route objects with origin AS201838: RIPE 105 · RADB 3

as-sets that list AS201838 (11)