ResearchRouting table, RPKI, IRR & looking glass

AS204144 Comfort XXI Century Ltd.

AS204144 (COMFORT-AS) is registered to Comfort XXI Century Ltd. in RU. It originates 20 prefixes in the global routing table.

20
IPv4 prefixes
0
IPv6 prefixes
18,176
IPv4 addresses
90%
RPKI valid

Who holds AS204144

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

AS number
AS204144
Handle
COMFORT-AS
Organization
Comfort XXI Century Ltd.
Country
RU
ASPA
None published

What AS204144 announces

Prefixes originated by AS204144 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
20
IPv6 prefixes
0
IPv4 addresses
18,176 (71 /24s)
RPKI valid
18 90%
RPKI invalid
1
RPKI not found
1
ROAs naming AS204144
18
With an IRR route object
19 95%

Who AS204144 is reached through

The AS just before AS204144 in the paths our looking glass collectors hold, for 20 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
RIPECOMFORT-ASRIPE-NCC-END-MNT, RU-COMFORT-1-MNT

Route objects with origin AS204144: RIPE 21

as-sets that list AS204144 (11)