ResearchRouting table, RPKI, IRR & looking glass

AS63901 CYCORE

AS63901 (CYCORE-AS) is registered to CYCORE in TW. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
512
IPv4 addresses
0%
RPKI valid

Who holds AS63901

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

AS number
AS63901
Handle
CYCORE-AS
Organization
CYCORE
Country
TW
ASPA
None published

What AS63901 announces

Prefixes originated by AS63901 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
512 (2 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS63901
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.

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS63901 is reached through

The AS just before AS63901 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
APNICCYCORE-ASMAINT-TW-TWNIC

Route objects with origin AS63901: RADB 2

as-sets that list AS63901 (1)