ResearchRouting table, RPKI, IRR & looking glass

AS218640 Kansei CHIBA

AS218640 (KC-AS) is registered to Kansei CHIBA in JP. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
100%
RPKI valid

Who holds AS218640

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

AS number
AS218640
Handle
KC-AS
Organization
Kansei CHIBA
Country
JP
ASPA
None published

What AS218640 announces

Prefixes originated by AS218640 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
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS218640
1
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 AS218640 is reached through

The AS just before AS218640 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
RIPEKC-ASRIPE-NCC-END-MNT, KANSEI-MNT

Route objects with origin AS218640: RIPE 1

as-sets that list AS218640 (7)