AS23817 Fujitsu Limited.

KOCHI-IDC - Fujitsu Limited. · registered in Japan

IPv4 addresses8,1922 prefixes · <0.001% of announced IPv4

Rank in Japan#334largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#10,665of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS23817 in ASN lookup Look up an IP in this network (202.211.64.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

202.211.64.0/20
210.158.128.0/20

Other ASNs named Fujitsu Limited.

4 other networks use the same organisation name; together with AS23817 they announce 1,632,512 IPv4 addresses.

ASNNameIPv4 addresses

AS2510INFOWEB - FUJITSU LIMITED JP1,509,376

AS55374FJcloud-East - FUJITSU LIMITED JP57,088

AS58793NIFCLOUD-NET - FUJITSU LIMITED JP33,024

AS55386FJcloud-West - FUJITSU LIMITED JP24,832

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS17518#331 SHIOJIRI - Shiojiri City8,192

AS17694#332 JPN-DBJP - Deutsche Bank Group, Japan BGP connection8,192

AS23619#333 E-OSAKA - SMARTVALUE Co.,Ltd.8,192

AS23822#335 HAGINET - HAGI Television Co., Ltd.8,192

AS24336#336 DIGITALBANK-JP - DIGITALBANK, Inc., Regional ISP in Japan8,192

AS59091#337 KAIT-NWLAB - Kanagawa Institute of Technology8,192

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