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AS58791 GMO Internet, Inc.

GMO-I-R2 - GMO Internet, Inc. · registered in Japan

IPv4 addresses86,78445 prefixes · 0.003% of announced IPv4
Rank in Japan#79largest network in JP by IPv4 space, of 724 · 0.05% of JP
Rank worldwide#2,060of 79,396 networks with IPv4
IPv68,192 x /482 prefixes
CountryJapan745 ASNs registered there
Open AS58791 in ASN lookup Look up an IP in this network (118.27.224.1) All networks in Japan

IPv4 prefixes

All 45 prefixes, in address order.

  • 118.27.224.0/20
  • 124.110.208.0/23
  • 133.88.96.0/20
  • 133.88.112.0/20
  • 133.117.64.0/20
  • 133.130.0.0/21
  • 150.95.8.0/22
  • 150.95.12.0/24
  • 150.95.13.0/24
  • 150.95.15.0/24
  • 157.7.120.0/21
  • 157.120.208.0/23
  • 157.120.210.0/23
  • 157.120.212.0/23
  • 157.120.214.0/24
  • 157.120.215.0/24
  • 157.120.216.0/21
  • 160.236.22.0/23
  • 160.251.84.0/22
  • 160.251.128.0/22
  • 160.251.132.0/23
  • 160.251.134.0/23
  • 160.251.136.0/21
  • 160.251.144.0/22
  • 160.251.148.0/24
  • 160.251.149.0/24
  • 160.251.150.0/23
  • 160.251.152.0/21
  • 160.251.160.0/19
  • 160.251.192.0/19
  • 160.251.224.0/20
  • 160.251.240.0/21
  • 160.251.248.0/24
  • 160.251.249.0/24
  • 160.251.250.0/23
  • 160.251.252.0/22
  • 163.44.64.0/21
  • 163.44.96.0/19
  • 163.44.128.0/19
  • 210.131.236.0/22
  • 210.172.184.0/21
  • 211.125.80.0/21
  • 219.97.66.0/23
  • 219.97.68.0/22
  • 219.97.72.0/23

IPv6 prefixes

All 2 prefixes.

  • 2400:8500:2000::/36
  • 2400:8500:7000::/36

Other ASNs named GMO Internet, Inc.

4 other networks use the same organisation name; together with AS58791 they announce 340,992 IPv4 addresses.

ASNNameIPv4 addresses
AS7506GMO-I-R1 - GMO Internet, Inc. JP252,672
AS55907GMO-DNS-R1 - GMO Internet, Inc. JP1,024
AS58649GMO-REG-R1 - GMO Internet, Inc. JP256
AS58651GMO-REG-R2 - GMO Internet, Inc. JP256

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS17707#76 DATAHOTEL-JP - AS for DATAHOTEL, which is one of iDC in Japan,90,368
AS9993#77 CTC-ODC - ITOCHU Techno-Solutions Corporation89,088
AS24282#78 KIR - KAGOYA JAPAN Inc.89,088
AS17514#80 AICS - Otsuka Corp.83,968
AS9600#81 SONYTELECOM - So-net Corporation82,944
AS9466#82 UUNET-JP-AP - UUNET Japan Limited82,944

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