HTTPfy

AS7679 QTnet,Inc.

QTNET - QTnet,Inc. · registered in Japan

IPv4 addresses760,83235 prefixes · 0.024% of announced IPv4
Rank in Japan#23largest network in JP by IPv4 space, of 724 · 0.47% of JP
Rank worldwide#443of 79,396 networks with IPv4
IPv61 x /32 (65,536 x /48)1 prefixes
CountryJapan745 ASNs registered there

IPv4 prefixes

All 35 prefixes, in address order.

  • 49.156.192.0/18
  • 58.3.0.0/16
  • 61.114.128.0/19
  • 61.203.192.0/19
  • 103.2.4.0/22
  • 110.54.0.0/17
  • 114.142.0.0/17
  • 115.124.128.0/17
  • 116.94.0.0/16
  • 119.47.32.0/19
  • 119.47.128.0/17
  • 124.150.176.0/20
  • 124.150.192.0/18
  • 124.159.0.0/16
  • 125.31.64.0/18
  • 125.56.0.0/17
  • 160.199.0.0/16
  • 175.28.128.0/17
  • 202.220.40.0/21
  • 202.226.224.0/19
  • 203.114.192.0/19
  • 203.135.192.0/18
  • 203.179.192.0/19
  • 210.143.64.0/19
  • 210.191.64.0/18
  • 210.203.192.0/18
  • 210.235.160.0/19
  • 210.238.32.0/19
  • 210.252.0.0/18
  • 211.9.64.0/18
  • 211.132.96.0/19
  • 218.40.224.0/20
  • 218.219.96.0/19
  • 218.219.128.0/20
  • 222.159.0.0/16

IPv6 prefixes

All 1 prefix.

  • 2001:348::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS4685#20 ASAHI-NET - Asahi Net1,277,952
AS9617#21 ZAQ - JCOM Co., Ltd.1,163,264
AS4694#22 IDCF - IDC Frontier Inc.1,040,896
AS4721#24 JCN - JCOM Co., Ltd.631,808
AS7522#25 STCN - STNet, Incorporated594,944
AS7671#26 MCNET - NTT SmartConnect Corporation453,888

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