AS7672 Hokuden Information System Service Co.,Ltd.

FITWEB - Hokuden Information System Service Co.,Ltd. · registered in Japan

IPv4 addresses68,35221 prefixes · 0.002% of announced IPv4

Rank in Japan#99largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#2,508of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryJapan745 ASNs registered there

Open AS7672 in ASN lookup Look up an IP in this network (27.133.192.1) All networks in Japan

IPv4 prefixes

All 21 prefixes, in address order.

27.133.192.0/20
61.215.224.0/20
101.96.32.0/19
103.225.120.0/22
110.232.224.0/21
110.232.232.0/22
113.197.56.0/21
119.63.16.0/20
157.250.224.0/20
202.125.48.0/20
203.88.176.0/20
210.166.0.0/22
210.166.4.0/24
210.166.6.0/23
210.166.8.0/21
210.166.16.0/20
210.171.208.0/20
211.19.192.0/22
216.8.0.0/19
218.223.208.0/20
218.228.16.0/20

IPv6 prefixes

All 1 prefix.

2404:200::/32

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS17947#96 S-UTOPIA - SAKURA KCS Corporation.69,632

AS18271#97 EVOnet - Sojitz Tech Innovation Co., Ltd.69,632

AS37918#98 ECL-INET - NTT, Inc.69,376

AS55391#100 MF-NATIVE6-E - INTERNET MULTIFEED CO.67,584

AS55392#101 MF-NATIVE6-W - INTERNET MULTIFEED CO.67,584

AS4730#102 ODINS - Osaka University67,584

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