AS131981 Takushoku University

TAKUSHOKUNET - Takushoku University · registered in Japan

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Japan#159largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#3,410of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS131981 in ASN lookup Look up an IP in this network (133.36.0.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

133.36.0.0/16

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS131919#156 MEIJI-NET - Meiji University65,536

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

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

AS18148#160 FUKUOKA-U - Fukuoka University65,024

AS9593#161 NIKKEI - Nikkei Inc.64,512

AS18128#162 RIKEN - RIKEN64,512

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