AS9593 Nikkei Inc.

NIKKEI - Nikkei Inc. · registered in Japan

IPv4 addresses64,5129 prefixes · 0.002% of announced IPv4

Rank in Japan#161largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#3,526of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS9593 in ASN lookup Look up an IP in this network (138.101.0.1) All networks in Japan

IPv4 prefixes

All 9 prefixes, in address order.

138.101.0.0/23
138.101.4.0/22
138.101.8.0/21
138.101.16.0/22
138.101.20.0/23
138.101.24.0/21
138.101.32.0/19
138.101.64.0/18
138.101.128.0/17

Similar-sized networks in Japan

ASNNameIPv4 addresses

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

AS131981#159 TAKUSHOKUNET - Takushoku University65,536

AS18148#160 FUKUOKA-U - Fukuoka University65,024

AS18128#162 RIKEN - RIKEN64,512

AS9366#163 SOLITON - SOLITON-NET63,744

AS17686#164 ACCELIA - ACCELIA63,488

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