AS59118 NRI SecureTechnologies, Ltd.

FNC-O2 - NRI SecureTechnologies, Ltd. · registered in Japan

IPv4 addresses4,6084 prefixes · <0.001% of announced IPv4

Rank in Japan#384largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#14,444of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS59118 in ASN lookup Look up an IP in this network (133.250.0.1) All networks in Japan

IPv4 prefixes

All 4 prefixes, in address order.

133.250.0.0/21
192.50.138.0/23
192.50.140.0/22
192.50.144.0/22

Other ASNs named NRI SecureTechnologies, Ltd.

2 other networks use the same organisation name; together with AS59118 they announce 37,888 IPv4 addresses.

ASNNameIPv4 addresses

AS9357FNC - NRI SecureTechnologies, Ltd. JP32,768

AS55396FNCLAB - NRI SecureTechnologies, Ltd JP512

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS23614#381 I-KOCHI - Kochi Systems Co., Ltd.4,864

AS37897#382 ANW-NET-AS - AXEL ENTERMEDIA, INC.4,608

AS59116#383 AIGTKK - AIG Technologies KK4,608

AS55912#385 u-kochi - University of Kochi4,352

AS59106#386 INET6 - Cyber and Internet Association4,352

AS37914#387 Univnet - Advanced Software Technology and Management Research Institute of KYOTO4,352

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