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AS9370 SAKURA Internet Inc.

SAKURA-B - SAKURA Internet Inc. · registered in Japan

IPv4 addresses340,99239 prefixes · 0.011% of announced IPv4
Rank in Japan#33largest network in JP by IPv4 space, of 724 · 0.21% of JP
Rank worldwide#726of 79,396 networks with IPv4
IPv616 x /32 (1,048,576 x /48)2 prefixes
CountryJapan745 ASNs registered there
Open AS9370 in ASN lookup Look up an IP in this network (27.133.128.1) All networks in Japan

IPv4 prefixes

All 39 prefixes, in address order.

  • 27.133.128.0/19
  • 27.133.247.0/24
  • 27.133.252.0/22
  • 27.134.240.0/20
  • 36.53.0.0/17
  • 36.53.128.0/18
  • 59.106.0.0/17
  • 59.106.128.0/18
  • 59.106.192.0/19
  • 59.106.224.0/20
  • 59.106.240.0/22
  • 61.211.224.0/21
  • 61.211.232.0/22
  • 61.211.236.0/24
  • 61.211.237.0/24
  • 61.211.238.0/23
  • 103.26.32.0/24
  • 103.36.252.0/23
  • 103.57.4.0/22
  • 103.72.104.0/23
  • 103.81.176.0/22
  • 103.108.64.0/23
  • 103.143.122.0/23
  • 110.44.128.0/20
  • 110.232.160.0/20
  • 112.109.0.0/20
  • 113.20.160.0/19
  • 122.202.96.0/19
  • 133.167.0.0/24
  • 153.121.0.0/18
  • 153.121.64.0/19
  • 153.125.224.0/20
  • 160.16.0.0/16
  • 163.43.0.0/16
  • 183.181.102.0/24
  • 202.181.96.0/20
  • 202.222.16.0/20
  • 210.188.224.0/19
  • 210.229.64.0/21

IPv6 prefixes

All 2 prefixes.

  • 2001:e40::/29
  • 2406:ce00::/29

Other ASNs named SAKURA Internet Inc.

3 other networks use the same organisation name; together with AS9370 they announce 1,011,200 IPv4 addresses.

ASNNameIPv4 addresses
AS7684SAKURA-A - SAKURA Internet Inc. JP368,640
AS9371SAKURA-C - SAKURA Internet Inc. JP297,216
AS55897SAKURA-F - SAKURA Internet Inc. JP4,352

Similar-sized networks in Japan

ASNNameIPv4 addresses
AS18071#30 MEI1 - Panasonic Information Systems Co., Ltd383,232
AS7684#31 SAKURA-A - SAKURA Internet Inc.368,640
AS7524#32 HANSHIN - ITEC HANKYU HANSHIN CO.,LTD.366,336
AS131932#34 JEIS-NET - JR East Information Systems Company327,680
AS9371#35 SAKURA-C - SAKURA Internet Inc.297,216
AS18144#36 AS-ENECOM - Enecom,Inc.291,840

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