AS55384 Japan Advanced Institute of Science and Technology

JAIST-EXP - Japan Advanced Institute of Science and Technology · registered in Japan

IPv4 addresses16,3841 prefixes · <0.001% of announced IPv4

Rank in Japan#274largest network in JP by IPv4 space, of 724 · 0.01% of JP

Rank worldwide#6,975of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS55384 in ASN lookup Look up an IP in this network (133.4.0.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

133.4.0.0/18

IPv6 prefixes

All 1 prefix.

2001:df0:2ee::/48

Other ASNs named Japan Advanced Institute of Science and Technology

1 other network uses the same organisation name; together with AS55384 they announce 82,176 IPv4 addresses.

ASNNameIPv4 addresses

AS17932JAIST - Japan Advanced Institute of Science and Technology JP65,792

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS17683#271 WINTECH-COM - Wingtechnology Communications, Inc.16,384

AS23780#272 CTB - CTB Media Inc.16,384

AS23805#273 WATVnet - Watarase Television Co.,Ltd16,384

AS55910#275 SITNET-AS - Shibaura Institute of Technology16,384

AS23635#276 CRCC - CRCCMedia Co.,ltd16,384

AS23620#277 DMM - DMM.com LLC15,360

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