AS55387 Japan Communication Inc.

RMGR-MIX - Japan Communication Inc. · registered in Japan

IPv4 addresses49,1522 prefixes · 0.002% of announced IPv4

Rank in Japan#175largest network in JP by IPv4 space, of 724 · 0.03% of JP

Rank worldwide#3,977of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS55387 in ASN lookup Look up an IP in this network (27.253.128.1) All networks in Japan

IPv4 prefixes

All 2 prefixes, in address order.

27.253.128.0/17
223.25.128.0/18

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS23791#172 LCV - LCV Corporation51,200

AS23783#173 CNA - Cable Networks Akita Co.,ltd.50,944

AS131934#174 ICC-NET - ICC Corporation49,152

AS18068#176 ACROSS - Dream Wave Shizuoka Co. Ltd.48,640

AS4677#177 PTOP - Marubeni OKI Network Solutions Inc.48,640

AS17675#178 AS-PNAPTOK - PacketFabric (Japan) Co., Ltd.47,616

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