AS9357 NRI SecureTechnologies, Ltd.

FNC - NRI SecureTechnologies, Ltd. · registered in Japan

IPv4 addresses32,76812 prefixes · 0.001% of announced IPv4

Rank in Japan#204largest network in JP by IPv4 space, of 724 · 0.02% of JP

Rank worldwide#4,805of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS9357 in ASN lookup Look up an IP in this network (133.250.128.1) All networks in Japan

IPv4 prefixes

All 12 prefixes, in address order.

133.250.128.0/19
133.250.160.0/21
133.250.168.0/22
133.250.172.0/23
133.250.174.0/23
133.250.176.0/20
133.250.192.0/19
133.250.224.0/20
133.250.240.0/21
133.250.248.0/23
133.250.250.0/23
133.250.252.0/22

IPv6 prefixes

All 1 prefix.

2001:df0:401::/48

Other ASNs named NRI SecureTechnologies, Ltd.

2 other networks use the same organisation name; together with AS9357 they announce 37,888 IPv4 addresses.

ASNNameIPv4 addresses

AS59118FNC-O2 - NRI SecureTechnologies, Ltd. JP4,608

AS55396FNCLAB - NRI SecureTechnologies, Ltd JP512

Similar-sized networks in Japan

ASNNameIPv4 addresses

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AS58793#202 NIFCLOUD-NET - FUJITSU LIMITED33,024

AS59121#203 AKNWS-NET - Asahi Kasei Networks Corporation33,024

AS18150#205 SNI-JP - NetComBB Co.,Ltd.32,768

AS131915#206 WINDE - Hamamatsu Cable Television .Inc32,768

AS18129#207 ONI - OKAYAMA NETWORK INC.32,256

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