AS131930 Tokyo Broadcasting System Television, Inc.

TBS-NET - Tokyo Broadcasting System Television, Inc. · registered in Japan

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Japan#157largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#3,408of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS131930 in ASN lookup Look up an IP in this network (163.45.0.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

163.45.0.0/16

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS63777#154 STARCLUSTER - National Institutes of Natural Sciences National Astronomical Observatory of JAPAN65,536

AS131897#155 EHIME-U - National University Corporation ,Ehime University65,536

AS131919#156 MEIJI-NET - Meiji University65,536

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

AS131981#159 TAKUSHOKUNET - Takushoku University65,536

AS18148#160 FUKUOKA-U - Fukuoka University65,024

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