ResearchRouting table, RPKI, IRR & looking glass

AS18274 Utsunomiya Cable TV Corporation

AS18274 (UCATV) is registered to Utsunomiya Cable TV Corporation in JP. It originates 10 prefixes in the global routing table.

9
IPv4 prefixes
1
IPv6 prefixes
26,624
IPv4 addresses
100%
RPKI valid

Who holds AS18274

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

AS number
AS18274
Handle
UCATV
Organization
Utsunomiya Cable TV Corporation
Country
JP
ASPA
None published

What AS18274 announces

Prefixes originated by AS18274 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
9
IPv6 prefixes
1
IPv4 addresses
26,624 (104 /24s)
RPKI valid
10 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS18274
10
With an IRR route object
10 100%

Announced prefixes

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

Who AS18274 is reached through

The AS just before AS18274 in the paths our looking glass collectors hold, for 10 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
JPIRRUCATVMAINT-UCATV
NTTCOMUCATVMAINT-AS18274

Route objects with origin AS18274: JPIRR 18 · NTTCOM 12 · RADB 1

as-sets that list AS18274 (18)