ResearchRouting table, RPKI, IRR & looking glass

AS6540 Samuel Cosgrove

AS6540 (SAMUEL-COSGROVE) is registered to Samuel Cosgrove in GB. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
0%
RPKI valid

Who holds AS6540

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

AS number
AS6540
Handle
SAMUEL-COSGROVE
Organization
Samuel Cosgrove
Country
GB
ASPA
None published

What AS6540 announces

Prefixes originated by AS6540 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
256 (1 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS6540
6
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS6540 is reached through

The AS just before AS6540 in the paths our looking glass collectors hold, for 1 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
RADBPATH-NETWORKMAINT-AS396998
RIPESAMUEL-COSGROVERIPE-NCC-END-MNT, LIR-UK-SAM-1-MNT

Route objects with origin AS6540: RIPE 4 · ARIN 1 · LEVEL3 1 · RADB 1

as-sets that list AS6540 (10)