Skip to content
thenetworkery

AS numbers

AS9597 KDDI Web Communications

AS9597 is operated by KDDI Web Communications and registered with APNIC (JP) since 1999-08-05.

It announces 26 IPv4 and 1 IPv6 prefixes, 96% of them RPKI valid.

RIPE RIS sees 6 upstream and peer networks and 0 downstream networks next to it.

PeeringDB lists it as a Content network at 3 internet exchanges and 2 facilities. Its peering policy is selective.

NameKDDI Web Communications
Registry handleCPI-NET
Registry (RIR)APNIC
CountryJapan (JP)
Delegated on1999-08-05
Network typeContent, Asia Pacific
Peering policySelective
IRR as-setAS-KWC
Prefixes (IPv4 / IPv6)26 / 1
RPKI valid96% (26 / 27)
Upstreams and peers6
Downstream networks0
Websitekddi-webcommunications.co.jp

Routing health

  • AS9597 announces 26 IPv4 and 1 IPv6 prefixes.
  • 26 of 27 announced prefixes are RPKI valid.
  • 1 announced prefixes are not covered by a ROA of AS9597 (they may have none, or another network’s).
  • 6 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 27

  • 27.34.128.0/19
  • 27.34.160.0/21
  • 103.197.12.0/22
  • 110.50.192.0/19
  • 115.146.0.0/18
  • 117.20.96.0/20
  • 118.82.64.0/18
  • 118.82.64.0/19
  • 118.82.96.0/19
  • 122.200.192.0/18
  • 122.200.192.0/19
  • 122.200.224.0/19
  • 150.60.0.0/16
  • 158.199.128.0/17
  • 180.222.72.0/21
  • 180.222.80.0/20
  • 180.235.224.0/19
  • 192.50.199.0/24
  • 194.91.0.0/16
  • 202.74.16.0/20
  • 202.133.112.0/20
  • 202.164.224.0/19
  • 202.164.224.0/20
  • 202.164.240.0/20
  • 211.9.192.0/19
  • 219.100.168.0/22
  • 2402:3d00::/32

Upstreams and peers 6

The networks RIPE RIS sees next to AS9597 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 26 IPv4, 1 IPv6. PeeringDB record

Internet exchanges 3
ExchangePortsSpeedRoute server
BBIX Tokyo220GYes
JPIX TOKYO220GYes
JPNAP Tokyo: Peering220GYes
Facilities 2
FacilityCityCountry
Equinix TY2 - TokyoTokyoJP
Equinix TY4 - TokyoTokyoJP

More about AS9597

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 09:50 UTC. The country is where the AS number was registered, not necessarily where the network operates.