ResearchRouting table, RPKI, IRR & looking glass

AS23783 Cable Networks Akita Co.,ltd.

AS23783 (CNA) is registered to Cable Networks Akita Co.,ltd. in JP. It originates 21 prefixes in the global routing table.

19
IPv4 prefixes
2
IPv6 prefixes
50,944
IPv4 addresses
85%
RPKI valid

Who holds AS23783

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

AS number
AS23783
Handle
CNA
Organization
Cable Networks Akita Co.,ltd.
Country
JP
ASPA
None published

What AS23783 announces

Prefixes originated by AS23783 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
19
IPv6 prefixes
2
IPv4 addresses
50,944 (199 /24s)
RPKI valid
18 85%
RPKI invalid
0
RPKI not found
3
ROAs naming AS23783
17
With an IRR route object
21 100%

Who AS23783 is reached through

The AS just before AS23783 in the paths our looking glass collectors hold, for 21 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
APNICCNAMAINT-JPNIC
NTTCOMCNAMAINT-AS23783
RADBCNAMAINT-AS2516

Route objects with origin AS23783: JPIRR 36 · RADB 34 · NTTCOM 32

as-sets that list AS23783 (15)