AS18148 Fukuoka University

FUKUOKA-U - Fukuoka University · registered in Japan

IPv4 addresses65,0248 prefixes · 0.002% of announced IPv4

Rank in Japan#160largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#3,490of 79,396 networks with IPv4

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

CountryJapan745 ASNs registered there

Open AS18148 in ASN lookup Look up an IP in this network (133.100.0.1) All networks in Japan

IPv4 prefixes

All 8 prefixes, in address order.

133.100.0.0/21
133.100.8.0/24
133.100.10.0/24
133.100.12.0/22
133.100.16.0/20
133.100.32.0/19
133.100.64.0/18
133.100.128.0/17

IPv6 prefixes

All 1 prefix.

2405:be00::/32

Other ASNs named Fukuoka University

1 other network uses the same organisation name; together with AS18148 they announce 65,536 IPv4 addresses.

ASNNameIPv4 addresses

AS63785FU-NTP - Fukuoka University JP512

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS131930#157 TBS-NET - Tokyo Broadcasting System Television, Inc.65,536

AS131938#158 NISSAN-NET - NISSAN MOTOR CO.,LTD.65,536

AS131981#159 TAKUSHOKUNET - Takushoku University65,536

AS9593#161 NIKKEI - Nikkei Inc.64,512

AS18128#162 RIKEN - RIKEN64,512

AS9366#163 SOLITON - SOLITON-NET63,744

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