AS18125 Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat, Ministry of Agriculture, Forestry and Fisheries

MAFFIN - Tsukuba Business-Academia Cooperation Support Center, Agriculture, Forestry and Fisheries Research Council Secretariat, Ministry of Agriculture, Forestry and Fisheries · registered in Japan

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Japan#138largest network in JP by IPv4 space, of 724 · 0.04% of JP

Rank worldwide#3,201of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS18125 in ASN lookup Look up an IP in this network (150.26.0.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

150.26.0.0/16

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS17946#135 GUCC - Gifu University65,536

AS17956#136 WASEDA - WASEDA University65,536

AS17960#137 RAINS-AS - University of the Ryukyus65,536

AS18276#139 KAISER - Kansai University65,536

AS23615#140 KUSANAGI - University of Shizuoka65,536

AS23623#141 CHUO-U - Chuo University65,536

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