AS55907 GMO Internet, Inc.

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

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Japan#538largest network in JP by IPv4 space, of 724 · <0.01% of JP

Rank worldwide#35,586of 79,396 networks with IPv4

IPv63 x /483 prefixes

CountryJapan745 ASNs registered there

Open AS55907 in ASN lookup Look up an IP in this network (157.7.32.1) All networks in Japan

IPv4 prefixes

All 1 prefix, in address order.

157.7.32.0/22

IPv6 prefixes

All 3 prefixes.

2400:8500:3000::/48
2400:8500:3300::/48
2400:8500:3fff::/48

Other ASNs named GMO Internet, Inc.

4 other networks use the same organisation name; together with AS55907 they announce 340,992 IPv4 addresses.

ASNNameIPv4 addresses

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

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

AS58649GMO-REG-R1 - GMO Internet, Inc. JP256

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

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS153929#535 ABI-AS-AP - Allied Business Inc.1,024

AS55569#536 CRITEO-AS-AP - Criteo APAC1,024

AS37900#537 MATSURI - NTT DOCOMO BUSINESS, Inc.1,024

AS18149#539 JPRS - Japan Registry Service Co., Ltd.1,024

AS37904#540 BBIX-NETWORK - BBIX, Inc.1,024

AS4774#541 ABONE-AS - A-Bone by Internet Initiative Japan Inc.1,024

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