ResearchRouting table, RPKI, IRR & looking glass

AS197957 Ker Broadband Communications Ltd

AS197957 (KERBB) is registered to Ker Broadband Communications Ltd in IE. It originates 2 prefixes in the global routing table.

2
IPv4 prefixes
0
IPv6 prefixes
1,536
IPv4 addresses
0%
RPKI valid

Who holds AS197957

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

AS number
AS197957
Handle
KERBB
Organization
Ker Broadband Communications Ltd
Country
IE
ASPA
None published

What AS197957 announces

Prefixes originated by AS197957 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
2
IPv6 prefixes
0
IPv4 addresses
1,536 (6 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
2
ROAs naming AS197957
0
With an IRR route object
2 100%

Announced prefixes

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

IPv4 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS197957 is reached through

The AS just before AS197957 in the paths our looking glass collectors hold, for 2 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
RIPEKERBBRIPE-NCC-END-MNT, MNT-IE-KERNETBROADBAND-1

Route objects with origin AS197957: RIPE 2

as-sets that list AS197957 (4)