AS55393 Midokura Japan K.K.

MIDOKURA - Midokura Japan K.K. · registered in Japan

IPv4 addresses1,2802 prefixes · <0.001% of announced IPv4

Rank in Japan#512largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#28,981of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS55393 in ASN lookup Look up an IP in this network (119.15.112.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

119.15.112.0/22
119.15.116.0/24

Similar-sized networks in Japan

ASNNameIPv4 addresses

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

AS146979#510 SUNDAICHI - University of Nagasaki1,280

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

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

AS131917#514 TOSHIBA-IS - Toshiba I.S. corp1,280

AS133203#515 SBIBITS-JP - SBI BITS Co., Ltd.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