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AS18092 Kyushu Tele Communications Company

CSF - Kyushu Tele Communications Company · registered in Japan

IPv4 addresses45,05626 prefixes · 0.001% of announced IPv4
Rank in Japan#185largest network in JP by IPv4 space, of 724 · 0.03% of JP
Rank worldwide#4,102of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryJapan745 ASNs registered there

IPv4 prefixes

All 26 prefixes, in address order.

  • 27.122.8.0/22
  • 61.44.224.0/20
  • 61.44.240.0/23
  • 61.44.242.0/23
  • 61.44.244.0/22
  • 61.44.248.0/21
  • 110.172.32.0/20
  • 112.137.144.0/22
  • 112.137.148.0/22
  • 112.137.152.0/22
  • 112.137.156.0/22
  • 114.141.32.0/21
  • 120.50.168.0/21
  • 123.242.208.0/23
  • 123.242.210.0/24
  • 123.242.211.0/24
  • 123.242.212.0/22
  • 175.103.8.0/22
  • 202.126.240.0/21
  • 202.126.248.0/22
  • 202.126.252.0/22
  • 203.205.96.0/20
  • 203.222.208.0/20
  • 219.103.112.0/20
  • 219.117.48.0/21
  • 219.117.56.0/21

IPv6 prefixes

All 1 prefix.

  • 2404:1900::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS18282#182 CORALNET - Tonami System Solutions Co., Ltd.46,336
AS4693#183 CSK - CSK-IT MANAGEMENT CORPORATION45,056
AS10003#184 OCT-NET - Ogaki Cable Television Co.,Inc.45,056
AS9378#186 CABLENET - JCOM Co., Ltd.45,056
AS23785#187 SUNFIELD - SUN FIELD INTERNET LIMITED45,056
AS18136#188 CTA - JCOM Co., Ltd.43,008

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources