ResearchRouting table, RPKI, IRR & looking glass

AS140577 Ahrefs Pte Ltd

AS140577 (AHREFS-AS-AP) is registered to Ahrefs Pte Ltd in SG. It originates 22 prefixes in the global routing table.

12
IPv4 prefixes
10
IPv6 prefixes
11,264
IPv4 addresses
100%
RPKI valid

Who holds AS140577

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

AS number
AS140577
Handle
AHREFS-AS-AP
Organization
Ahrefs Pte Ltd
Country
SG
ASPA
None published

What AS140577 announces

Prefixes originated by AS140577 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
12
IPv6 prefixes
10
IPv4 addresses
11,264 (44 /24s)
RPKI valid
22 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS140577
28
With an IRR route object
22 100%

Who AS140577 is reached through

The AS just before AS140577 in the paths our looking glass collectors hold, for 22 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
APNICAHREFS-AS-APAPNIC-HM

Route objects with origin AS140577: APNIC 53 · ARIN 3

as-sets that list AS140577 (4)