AS9355 National Institute of Information and Communications Technology

NICT - National Institute of Information and Communications Technology · registered in Japan

IPv4 addresses131,0722 prefixes · 0.004% of announced IPv4

Rank in Japan#64largest network in JP by IPv4 space, of 724 · 0.08% of JP

Rank worldwide#1,578of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS9355 in ASN lookup Look up an IP in this network (133.140.0.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

133.140.0.0/16
133.243.0.0/16

IPv6 prefixes

All 1 prefix.

2001:df0:232::/48

Other ASNs named National Institute of Information and Communications Technology

1 other network uses the same organisation name; together with AS9355 they announce 134,144 IPv4 addresses.

ASNNameIPv4 addresses

AS17934JGNv6 - National Institute of Information and Communications Technology JP3,072

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7509#61 HINES - Hokkaido University131,328

AS17687#62 NICE - National University Corporation Nagoya University131,328

AS38635#63 KEIO-NET - Keio University131,072

AS4729#65 JAEA - Japan Atomic Energy Agency131,072

AS63802#66 MIKAKA-EAST - Nippon Telegraph and Telephone East Corporation131,072

AS7516#67 TOHKNET - TOHKnet Co.,Inc.119,040

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