AS17518 Shiojiri City

SHIOJIRI - Shiojiri City · registered in Japan

IPv4 addresses8,1921 prefixes · <0.001% of announced IPv4

Rank in Japan#331largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#10,609of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS17518 in ASN lookup Look up an IP in this network (203.141.192.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

203.141.192.0/19

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7678#328 PROX - Prox System Design Inc.8,192

AS7686#329 ATNETHOME - JCOM Co., Ltd.8,192

AS9358#330 Finder - OPTAGE Inc.8,192

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

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

AS23817#334 KOCHI-IDC - Fujitsu Limited.8,192

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