ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.64B
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.135.224.0 – 66.135.255.255 | 8,192 |  US |
allocated | 2001-07-13 | 2eb271d6c28f… |
| 66.150.0.0 – 66.150.15.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.24.0 – 66.150.27.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.40.0 – 66.150.47.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.48.0 – 66.150.63.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.72.0 – 66.150.75.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.76.0 – 66.150.79.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.80.0 – 66.150.95.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.96.0 – 66.150.103.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.104.0 – 66.150.104.255 | 256 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.106.0 – 66.150.107.255 | 512 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.108.0 – 66.150.111.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.112.0 – 66.150.127.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.132.0 – 66.150.135.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.136.0 – 66.150.143.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.144.0 – 66.150.159.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.160.0 – 66.150.175.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.176.0 – 66.150.179.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.184.0 – 66.150.191.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.192.0 – 66.150.223.255 | 8,192 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.224.0 – 66.150.227.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.150.248.0 – 66.150.251.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.4.0 – 66.151.7.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.12.0 – 66.151.15.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.16.0 – 66.151.31.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.36.0 – 66.151.39.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.44.0 – 66.151.47.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.52.0 – 66.151.55.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.56.0 – 66.151.63.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.64.0 – 66.151.79.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.96.0 – 66.151.111.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.116.0 – 66.151.119.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.151.124.0 – 66.151.127.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.128.0 – 66.151.159.255 | 8,192 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.160.0 – 66.151.163.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.168.0 – 66.151.175.255 | 2,048 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.176.0 – 66.151.191.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.192.0 – 66.151.207.255 | 4,096 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.212.0 – 66.151.215.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.220.0 – 66.151.223.255 | 1,024 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 66.151.224.0 – 66.151.255.255 | 8,192 | US |
allocated | 2001-07-13 | 327bf0000e76… |
| 24.80.0.0 – 24.87.255.255 | 524,288 |  CA |
allocated | 2001-07-12 | f6378853cc62… |
| 24.90.0.0 – 24.90.255.255 | 65,536 | US |
allocated | 2001-07-12 | d2fc8fbc818f… |
| 216.73.80.0 – 216.73.95.255 | 4,096 | US |
allocated | 2001-07-12 | 9f0cd64387be… |
| 216.154.192.0 – 216.154.207.255 | 4,096 | US |
allocated | 2001-07-12 | 11605ea9b000… |
| 216.154.224.0 – 216.154.255.255 | 8,192 | US |
allocated | 2001-07-12 | 81e05477cc28… |
| 64.17.208.0 – 64.17.223.255 | 4,096 | US |
allocated | 2001-07-11 | 0268c182d076… |
| 64.17.224.0 – 64.17.239.255 | 4,096 | US |
allocated | 2001-07-11 | 7744520fa5e7… |
| 64.17.248.0 – 64.17.255.255 | 2,048 | US |
allocated | 2001-07-11 | 7744520fa5e7… |
| 64.18.16.0 – 64.18.31.255 | 4,096 | US |
allocated | 2001-07-11 | e220ed812a4c… |
| 64.18.32.0 – 64.18.47.255 | 4,096 | US |
allocated | 2001-07-11 | c1cb9db96ccd… |
| 64.59.224.0 – 64.59.255.255 | 8,192 | US |
allocated | 2001-07-11 | f75f873f6f5a… |
| 66.133.0.0 – 66.133.3.255 | 1,024 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.4.0 – 66.133.5.255 | 512 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.7.0 – 66.133.7.255 | 256 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.9.0 – 66.133.9.255 | 256 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.10.0 – 66.133.11.255 | 512 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.12.0 – 66.133.12.255 | 256 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.14.0 – 66.133.15.255 | 512 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.16.0 – 66.133.31.255 | 4,096 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.32.0 – 66.133.47.255 | 4,096 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.48.0 – 66.133.55.255 | 2,048 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.56.0 – 66.133.56.255 | 256 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.60.0 – 66.133.63.255 | 1,024 | US |
allocated | 2001-07-11 | e5cfe0d85842… |
| 66.133.128.0 – 66.133.191.255 | 16,384 | US |
allocated | 2001-07-11 | e220ed812a4c… |
| 206.163.224.0 – 206.163.255.255 | 8,192 | CA |
allocated | 2001-07-11 | 63072a7115f6… |
| 209.131.80.0 – 209.131.95.255 | 4,096 | US |
allocated | 2001-07-11 | 9fc17fc4ef97… |
| 66.132.0.0 – 66.132.127.255 | 32,768 | US |
allocated | 2001-07-09 | 37fe01d6d027… |
| 216.173.224.0 – 216.173.255.255 | 8,192 | US |
allocated | 2001-07-09 | 81e05477cc28… |
| 209.120.128.0 – 209.120.255.255 | 32,768 | US |
allocated | 2001-07-05 | a7f7463af3d3… |
| 192.40.109.0 – 192.40.109.255 | 256 | US |
allocated | 2001-07-03 | b028d796766e… |
| 192.69.128.0 – 192.69.128.255 | 256 | US |
allocated | 2001-07-03 | b028d796766e… |
| 24.208.0.0 – 24.211.255.255 | 262,144 | US |
allocated | 2001-06-29 | d2fc8fbc818f… |
| 192.30.248.0 – 192.30.248.255 | 256 | US |
allocated | 2001-06-29 | 2b157ac88120… |
| 216.19.160.0 – 216.19.175.255 | 4,096 | US |
allocated | 2001-06-29 | cdb7d42057bd… |
| 216.131.64.0 – 216.131.127.255 | 16,384 | US |
allocated | 2001-06-29 | f3cb8e58b641… |
| 216.189.224.0 – 216.189.255.255 | 8,192 | US |
allocated | 2001-06-29 | d3529f254bc5… |
| 192.69.247.0 – 192.69.247.255 | 256 | US |
allocated | 2001-06-28 | ba26dd4bc2d4… |
| 66.148.128.0 – 66.148.255.255 | 32,768 | US |
allocated | 2001-06-27 | 6c065d5b54b8… |
| 209.172.224.0 – 209.172.255.255 | 8,192 | US |
allocated | 2001-06-27 | 275cb0a51607… |
| 24.207.0.0 – 24.207.127.255 | 32,768 | CA |
allocated | 2001-06-26 | d49f62ca911c… |
| 216.189.128.0 – 216.189.143.255 | 4,096 | US |
allocated | 2001-06-26 | 3d1264ed2102… |
| 216.189.160.0 – 216.189.191.255 | 8,192 | US |
allocated | 2001-06-26 | 98e6c615fd07… |
| 66.147.128.0 – 66.147.191.255 | 16,384 | US |
allocated | 2001-06-25 | e5e3b9c13678… |
| 66.147.192.0 – 66.147.223.255 | 8,192 | US |
allocated | 2001-06-25 | e5e3b9c13678… |
| 216.59.192.0 – 216.59.223.255 | 8,192 | US |
allocated | 2001-06-25 | 36652e6d2cef… |
| 64.83.128.0 – 64.83.159.255 | 8,192 | US |
allocated | 2001-06-22 | 1b5d9b44634a… |
| 64.83.160.0 – 64.83.191.255 | 8,192 | US |
allocated | 2001-06-22 | b473330fef07… |
| 64.83.192.0 – 64.83.223.255 | 8,192 | US |
allocated | 2001-06-22 | 2ae6f8bcdd0f… |
| 64.83.224.0 – 64.83.239.255 | 4,096 | US |
allocated | 2001-06-22 | 2ae6f8bcdd0f… |
| 192.30.148.0 – 192.30.148.255 | 256 | US |
allocated | 2001-06-22 | a358bf4fd5a8… |
| 64.251.160.0 – 64.251.191.255 | 8,192 | US |
allocated | 2001-06-21 | d3a2f62b18c5… |
| 64.251.224.0 – 64.251.239.255 | 4,096 | US |
allocated | 2001-06-21 | 6f33ad1e2252… |
| 64.251.240.0 – 64.251.255.255 | 4,096 | US |
allocated | 2001-06-21 | 2f96be3f8329… |
| 24.206.128.0 – 24.206.255.255 | 32,768 | US |
allocated | 2001-06-20 | e5d261f87d58… |
| 64.78.64.0 – 64.78.127.255 | 16,384 | US |
allocated | 2001-06-20 | 3a7b40ab58f6… |
| 66.129.128.0 – 66.129.159.255 | 8,192 | CA |
allocated | 2001-06-18 | 739053b97948… |
| 209.243.32.0 – 209.243.47.255 | 4,096 | US |
allocated | 2001-06-18 | b8d519b24a9f… |
| 209.243.48.0 – 209.243.63.255 | 4,096 | US |
allocated | 2001-06-18 | 50374b234c63… |
| 192.30.53.0 – 192.30.53.255 | 256 | US |
allocated | 2001-06-16 | 08fd81b715f0… |