ResearchRouting table, RPKI, IRR & looking glass

AS149423 Yu-Shan Tsai

AS149423 (CHUMMY-AS-TW) is registered to Yu-Shan Tsai in TW. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
0%
RPKI valid

Who holds AS149423

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

AS number
AS149423
Handle
CHUMMY-AS-TW
Organization
Yu-Shan Tsai
Country
TW
ASPA
None published

What AS149423 announces

Prefixes originated by AS149423 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
1
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS149423
0
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.

IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS149423 is reached through

The AS just before AS149423 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
APNICCHUMMY-AS-TWAPNIC-HM

Route objects with origin AS149423: RADB 1

as-sets that list AS149423 (11)