AS133203 SBI BITS Co., Ltd.

SBIBITS-JP - SBI BITS Co., Ltd. · registered in Japan

IPv4 addresses1,2803 prefixes · <0.001% of announced IPv4

Rank in Japan#515largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#29,128of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS133203 in ASN lookup Look up an IP in this network (103.71.156.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

103.71.156.0/24
103.71.158.0/23
103.255.246.0/23

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS55393#512 MIDOKURA - Midokura Japan K.K.1,280

AS63801#513 DODO-NET - DODO K.K.1,280

AS131917#514 TOSHIBA-IS - Toshiba I.S. corp1,280

AS55888#516 Nintatsu - Nintatsu Global Telecommunications Corporation1,152

AS55891#517 WBTSJP-AS - WATCH TOWER BIBLE AND TRACT SOCIETY1,024

AS51044#518 RHE Kazuki Yamaguchi1,024

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