ResearchRouting table, RPKI, IRR & looking glass

AS18077 Yamaguchi Cable Vision Co.,Ltd

AS18077 (C-able) is registered to Yamaguchi Cable Vision Co.,Ltd in JP. It originates 55 prefixes in the global routing table.

54
IPv4 prefixes
1
IPv6 prefixes
143,872
IPv4 addresses
96%
RPKI valid

Who holds AS18077

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

AS number
AS18077
Handle
C-able
Organization
Yamaguchi Cable Vision Co.,Ltd
Country
JP
ASPA
None published

What AS18077 announces

Prefixes originated by AS18077 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
54
IPv6 prefixes
1
IPv4 addresses
143,872 (562 /24s)
RPKI valid
53 96%
RPKI invalid
0
RPKI not found
2
ROAs naming AS18077
3
With an IRR route object
55 100%

Who AS18077 is reached through

The AS just before AS18077 in the paths our looking glass collectors hold, for 55 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.