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AS numbers

AS131911 HONJYO CABLE VISION CO., LTD.

AS131911 is operated by HONJYO CABLE VISION CO., LTD. and registered with APNIC (JP) since 2011-08-04.

It announces 9 IPv4 and 3 IPv6 prefixes, 0% of them RPKI valid.

RIPE RIS sees 2 upstream and peer networks and 0 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network at 1 internet exchange. Its peering policy is open.

NameHONJYO CABLE VISION CO., LTD.
Registry handleHCTV-NET
Registry (RIR)APNIC
CountryJapan (JP)
Delegated on2011-08-04
Network typeCable/DSL/ISP, Asia Pacific
Peering policyOpen
IRR as-setAS-CATNET
Prefixes (IPv4 / IPv6)9 / 3
RPKI valid0% (0 / 12)
Upstreams and peers2
Downstream networks0
Websitehonjocatv.jp

Routing health

  • AS131911 announces 9 IPv4 and 3 IPv6 prefixes.
  • 12 announced prefixes are not covered by a ROA of AS131911 (they may have none, or another network’s).
  • 2 upstreams and peers, 0 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 12

  • 103.31.244.0/22
  • 103.31.244.0/23
  • 103.31.246.0/23
  • 104.200.112.0/20
  • 104.200.112.0/21
  • 104.200.120.0/21
  • 192.47.144.0/20
  • 192.47.144.0/21
  • 192.47.152.0/21
  • 2404:60c0:8000::/33
  • 2404:60c0::/32
  • 2404:60c0::/33

Upstreams and peers 2

The networks RIPE RIS sees next to AS131911 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 9 IPv4, 3 IPv6. PeeringDB record

Internet exchanges 1
ExchangePortsSpeedRoute server
JPIX TOKYO240GNo

More about AS131911

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 17:51 UTC. The country is where the AS number was registered, not necessarily where the network operates.