ResearchRouting table, RPKI, IRR & looking glass

AS264821 COMCAST-SRL

AS264821 (AS264821) is registered to COMCAST-SRL in DO. It originates 14 prefixes in the global routing table.

13
IPv4 prefixes
1
IPv6 prefixes
3,328
IPv4 addresses
64%
RPKI valid

Who holds AS264821

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

AS number
AS264821
Handle
AS264821
Organization
COMCAST-SRL
Country
DO
ASPA
None published

What AS264821 announces

Prefixes originated by AS264821 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
13
IPv6 prefixes
1
IPv4 addresses
3,328 (13 /24s)
RPKI valid
9 64%
RPKI invalid
0
RPKI not found
5
ROAs naming AS264821
3
With an IRR route object
2 14%

Announced prefixes

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

Who AS264821 is reached through

The AS just before AS264821 in the paths our looking glass collectors hold, for 14 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
LACNICAS264821MNT-DO-COMC-LACNIC

Route objects with origin AS264821: RADB 4 · LACNIC 3

as-sets that list AS264821 (8)