AS146979 University of Nagasaki

SUNDAICHI - University of Nagasaki · registered in Japan

IPv4 addresses1,2803 prefixes · <0.001% of announced IPv4

Rank in Japan#510largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#28,268of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS146979 in ASN lookup Look up an IP in this network (103.180.130.1) All networks in Japan

IPv4 prefixes

All 3 prefixes, in address order.

103.180.130.0/23
202.236.88.0/23
202.236.90.0/24

IPv6 prefixes

All 1 prefix.

2400:5320::/48

Other ASNs named University of Nagasaki

1 other network uses the same organisation name; together with AS146979 they announce 1,536 IPv4 addresses.

ASNNameIPv4 addresses

AS150357SUN-SECBASE - University of Nagasaki JP256

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7667#507 KDDLAB - KDDI Research, Inc.1,280

AS7674#508 GOFORS - NTT DOCOMO BUSINESS, Inc1,280

AS131900#509 DIRECTORZ - Directorz Co.,Ltd.1,280

AS18072#511 STREAMWING - NTT DOCOMO BUSINESS, Inc.1,280

AS55393#512 MIDOKURA - Midokura Japan K.K.1,280

AS63801#513 DODO-NET - DODO K.K.1,280

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