AS58649 GMO Internet, Inc.

GMO-REG-R1 - GMO Internet, Inc. · registered in Japan

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Japan#664largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#61,469of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryJapan745 ASNs registered there

Open AS58649 in ASN lookup Look up an IP in this network (118.27.94.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

118.27.94.0/24

IPv6 prefixes

All 1 prefix.

2400:8500:4800::/48

Other ASNs named GMO Internet, Inc.

4 other networks use the same organisation name; together with AS58649 they announce 340,992 IPv4 addresses.

ASNNameIPv4 addresses

AS7506GMO-I-R1 - GMO Internet, Inc. JP252,672

AS58791GMO-I-R2 - GMO Internet, Inc. JP86,784

AS55907GMO-DNS-R1 - GMO Internet, Inc. JP1,024

AS58651GMO-REG-R2 - GMO Internet, Inc. JP256

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS55895#661 echigo-IX - N.S.Computer Service Co.,Ltd.256

AS55901#662 SCEI-NET - Sony Computer Entertainment Inc256

AS55909#663 kochi-ct - National Institute of Technology, Kochi College256

AS58651#665 GMO-REG-R2 - GMO Internet, Inc.256

AS59111#666 AIU-NET - Akita International University256

AS59115#667 CYBERDYNE - CYBERDYNE Inc.256

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