ResearchRouting table, RPKI, IRR & looking glass

AS131273 CORE WINNER CO.,LIMITED

AS131273 (CWCTB-AS-AP) is registered to CORE WINNER CO.,LIMITED in TW. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS131273

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

AS number
AS131273
Handle
CWCTB-AS-AP
Organization
CORE WINNER CO.,LIMITED
Country
TW
ASPA
None published

What AS131273 announces

Prefixes originated by AS131273 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
0
IPv4 addresses
1,024 (4 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS131273
6
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS131273 is reached through

The AS just before AS131273 in the paths our looking glass collectors hold, for 4 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.