株式会社インターネットイニシアティブ
Internet Initiative Japan Inc.
Data as of 2026-09-06
GLEIF verified
LEI
529900EOCJNAPUHDFR78
Registered name
株式会社インターネットイニシアティブ
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 267 · 3,945,236 IPv4 addresses |
| IPv6 | 33 prefixes (largest 2001:240::/32) |
| Registered in | Japan (205) · United States (12) · Hong Kong (4) · Bulgaria (3) · EE (2) · Singapore (2) |
| Record ID | 236376711 |
| Registry | APNIC |
| Owner jurisdiction | JP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900EOCJNAPUHDFR78 |
| Shared handles | clustered on 26 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (267)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 14.137.235.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 14.137.243.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 23.131.136.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 23.159.40.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 23.183.56.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 27.111.228.196/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 36.255.57.24/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 49.239.64.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 58.138.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 58.138.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 61.122.224.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 61.124.0.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 61.124.16.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 61.211.96.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 79.170.199.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 80.81.193.136/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 89.30.176.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 101.128.128.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.2.57.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.2.58.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.5.23.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.16.102.163/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 103.26.166.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.26.167.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.76.87.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.140.136.0/24 | Internet-Initiative-Japan | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 103.140.136.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 103.140.137.0/24 | Internet-Initiative-Japan | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 109.66.30.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 113.197.128.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 116.118.192.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 118.151.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 118.151.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 119.10.192.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 121.50.160.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 121.102.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 121.200.200.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 123.255.90.136/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 124.41.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 124.41.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 124.147.64.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 125.30.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 129.249.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 131.248.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 132.179.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.110.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.111.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.127.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.137.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.142.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.157.32.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.157.72.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.157.80.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.157.96.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.159.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.169.0.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.169.8.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.173.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.173.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.173.128.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.183.96.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.183.106.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.183.128.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.192.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.224.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.240.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.248.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.252.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.194.254.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.215.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.218.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.221.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.221.3.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.236.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.238.8.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.238.16.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.238.32.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.238.128.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.245.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.254.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.254.130.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 133.254.131.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 134.237.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 138.107.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 139.152.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 139.152.11.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 139.152.13.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 139.152.14.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 139.152.15.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.94.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.94.217.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.125.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.125.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.125.192.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 143.125.208.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 147.28.10.0/24 | Internet Initiative Japan, Inc. | BGP | ANNOUNCED | ● high |
| 147.28.11.0/24 | Internet Initiative Japan, Inc. | BGP | ANNOUNCED | ● high |
| 150.23.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.31.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.61.5.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.61.54.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.61.55.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.87.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 150.90.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 157.65.8.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 157.65.176.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 157.65.192.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 157.67.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 160.13.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 160.17.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 163.49.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 163.55.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 163.140.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 163.218.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 164.37.196.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 167.169.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 172.122.0.0/15 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 178.239.124.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 178.239.125.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 178.239.126.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 182.54.240.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 192.6.164.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 192.47.161.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 192.50.252.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 192.70.131.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 192.244.8.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 195.66.225.237/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 198.32.118.63/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 198.32.160.42/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 202.6.252.0/22 | Internet Initiative Japan, Inc. | APNIC | ASSIGNED PORTABLE | ● high |
| 202.6.253.0/24 | Internet Initiative Japan, Inc. | BGP | ANNOUNCED | ● high |
| 202.6.254.0/24 | Internet Initiative Japan, Inc. | BGP | ANNOUNCED | ● high |
| 202.6.255.0/24 | Internet Initiative Japan, Inc. | BGP | ANNOUNCED | ● high |
| 202.15.44.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.19.224.0/21 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.22.208.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.24.192.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.24.193.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.24.194.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.24.195.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.24.196.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.32.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.48.108.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.141.192.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.155.129.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.155.130.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.214.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.221.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.224.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.232.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.238.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.238.192.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.242.16.0/23 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.244.222.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.245.176.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.250.154.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.250.155.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.251.0.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 202.253.160.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.139.224.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.139.228.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.139.232.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.139.236.0/22 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.139.240.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 203.180.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 206.81.80.237/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 206.126.236.23/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 206.132.160.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 206.223.116.23/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 206.223.116.95/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 206.223.123.23/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 206.223.123.201/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.128.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.130.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.133.192.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.138.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.141.16.0/20 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.148.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.149.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.173.0.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.173.176.141/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.173.176.142/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.173.176.190/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.173.176.219/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.173.184.31/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.173.184.65/32 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 210.233.160.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.162.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.163.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.165.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.166.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.167.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.168.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.169.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.170.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.171.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.173.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.174.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.175.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.176.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.177.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.178.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.179.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.180.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.181.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.182.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.183.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.184.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.185.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.186.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.187.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.188.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.189.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 210.233.190.0/24 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 211.14.32.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 216.98.96.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 218.42.160.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 218.228.96.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 219.105.0.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 219.111.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 219.119.0.0/16 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 219.121.160.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 219.126.128.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.100.0.0/17 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.100.192.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.156.0.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.156.64.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.156.96.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.156.128.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.208.192.0/19 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 220.210.128.0/18 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2001:240::/32 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2001:300::/32 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2001:504:0:1::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:1::2497:2/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:2::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:3::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:0:3::2497:2/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:1::a500:2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:f::3f/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:504:16::9c1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8::9c1:0:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:4::9c1:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:0:1::ca28:a088/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::2497:2/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::2497:3/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::2497:4/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:1::2497:5/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:2::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:7fa:7:2::2497:2/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:4::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:7::2497:1/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:de8:12:100::163/128 | Internet Initiative Japan | PEERINGDB | ASSIGNED | ● high |
| 2001:df7:5380::/47 | Internet Initiative Japan, Inc. | APNIC | ASSIGNED PORTABLE | ● high |
| 2001:48b0::/32 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2400:3980::/32 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2401:ce20:c::/48 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2401:ce20:d::/48 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2401:ce20:e::/48 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2403:5700::/48 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2403:5700:1::/48 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 240a:71:8000::/36 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 240a:71:9000::/36 | Internet Initiative Japan Inc. | BGP | ANNOUNCED | ● high |
| 2001:df0:c280::/48 | rixCloud, Inc. | APNIC | ASSIGNED PORTABLE | ● medium |
| 72.57.165.0 – 72.57.180.255 | Internet_Initiative_Japan_Inc | APNIC | ALLOCATED NON-PORTABLE | ● low |
IPv6 ranges (33)
showing the 15 largest allocationsFootprint over time
11 weekly snapshots · JSON
268
+11 netblocks since 2026-07-05
2026-07-05
peak 268
2026-09-06
Customer-delegated space
how is this classified?
Unclassified
194 (72.7%)
Operator infrastructure (named)
40 (15.0%)
Customer access pools
34 (12.7%)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
55.2%
of checked blocks have valid RPKI ROA coverage
(148 of 268)
Possible discrepancies (3)
These blocks are registered to Internet Initiative Japan Inc. but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:df7:5380::/47 /47 | authorized for AS3130 — RGnet OU |
| 72.57.165.0 – 72.57.180.255 /20 | authorized for AS9908 — Hong Kong Cable Television Limited |
| 103.76.87.0/24 /24 | authorized for AS138968 — rainbow network limited |
NIC Handles
AA1892-AP
APNIC-HM
AR948-AP
AS2235-AP
AS2497
AS2497
AS4774
AS9434
IAC3-AP
IAC3-AP
MAINT-BACKWAVESLIMITED-HK
MAINT-DIL-JP
+14 more