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
1.65B
1,645,647,872
📦
IPv4 networks
76,740
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,065
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.163.128.0 – 66.163.159.255 | 8,192 |  US |
allocated | 2001-09-06 | e8812e44af2a… |
| 209.99.240.0 – 209.99.255.255 | 4,096 | US |
allocated | 2001-09-06 | 0418d3fd070a… |
| 216.99.176.0 – 216.99.191.255 | 4,096 | US |
allocated | 2001-09-06 | 53c0cc316c1d… |
| 24.126.0.0 – 24.127.255.255 | 131,072 | US |
allocated | 2001-09-04 | 3a7b40ab58f6… |
| 66.163.64.0 – 66.163.79.255 | 4,096 |  CA |
allocated | 2001-09-04 | f6378853cc62… |
| 66.163.0.0 – 66.163.31.255 | 8,192 | CA |
allocated | 2001-08-31 | e23590be198b… |
| 67.36.0.0 – 67.39.255.255 | 262,144 | US |
allocated | 2001-08-30 | 81e05477cc28… |
| 64.119.160.0 – 64.119.191.255 | 8,192 | US |
allocated | 2001-08-28 | c3d03da3f053… |
| 64.119.240.0 – 64.119.255.255 | 4,096 | US |
allocated | 2001-08-28 | 189a69063d0c… |
| 64.185.192.0 – 64.185.223.255 | 8,192 |  PR |
allocated | 2001-08-28 | 24b9b2f7d762… |
| 64.119.0.0 – 64.119.15.255 | 4,096 | US |
allocated | 2001-08-24 | b8ddebf06ef3… |
| 64.119.32.0 – 64.119.47.255 | 4,096 | US |
allocated | 2001-08-24 | 2ea40a076ec0… |
| 64.119.96.0 – 64.119.127.255 | 8,192 | CA |
allocated | 2001-08-24 | 0042cdeb1e05… |
| 64.119.128.0 – 64.119.159.255 | 8,192 | US |
allocated | 2001-08-24 | 7744520fa5e7… |
| 66.162.0.0 – 66.162.255.255 | 65,536 | US |
allocated | 2001-08-24 | e5e3b9c13678… |
| 64.119.224.0 – 64.119.239.255 | 4,096 | US |
allocated | 2001-08-23 | 2e5d40afb285… |
| 64.118.64.0 – 64.118.79.255 | 4,096 | US |
allocated | 2001-08-22 | e342f1acb8ab… |
| 64.118.96.0 – 64.118.127.255 | 8,192 | US |
allocated | 2001-08-22 | 0d16f3f093a9… |
| 64.118.192.0 – 64.118.207.255 | 4,096 | US |
allocated | 2001-08-22 | 2957ddc0c33f… |
| 66.161.0.0 – 66.161.127.255 | 32,768 | US |
allocated | 2001-08-22 | 81e05477cc28… |
| 64.118.32.0 – 64.118.47.255 | 4,096 | US |
allocated | 2001-08-21 | 5f4ef8c3a264… |
| 66.109.80.0 – 66.109.95.255 | 4,096 | US |
allocated | 2001-08-21 | 3d8abc9af454… |
| 63.243.128.0 – 63.243.255.255 | 32,768 | US |
allocated | 2001-08-17 | 1592250ba841… |
| 64.88.128.0 – 64.88.159.255 | 8,192 | US |
allocated | 2001-08-16 | a070a29f35de… |
| 64.113.160.0 – 64.113.175.255 | 4,096 | US |
allocated | 2001-08-16 | 7fdfe9ab5ed2… |
| 64.186.96.0 – 64.186.127.255 | 8,192 | US |
allocated | 2001-08-16 | a213bd390c86… |
| 24.60.0.0 – 24.63.255.255 | 262,144 | US |
allocated | 2001-08-15 | 3a7b40ab58f6… |
| 64.113.96.0 – 64.113.127.255 | 8,192 | US |
allocated | 2001-08-15 | 424bfcacb580… |
| 64.28.112.0 – 64.28.127.255 | 4,096 | US |
allocated | 2001-08-14 | 9a03f4ea9e15… |
| 67.8.0.0 – 67.11.255.255 | 262,144 | US |
allocated | 2001-08-14 | d2fc8fbc818f… |
| 67.104.0.0 – 67.111.255.255 | 524,288 | US |
allocated | 2001-08-10 | e220ed812a4c… |
| 64.113.128.0 – 64.113.159.255 | 8,192 | US |
allocated | 2001-08-09 | 01d67b231aae… |
| 216.137.144.0 – 216.137.159.255 | 4,096 | US |
allocated | 2001-08-09 | de67eec9ade3… |
| 64.112.192.0 – 64.112.223.255 | 8,192 | US |
allocated | 2001-08-07 | 0b78121cbb85… |
| 64.112.224.0 – 64.112.227.255 | 1,024 | US |
allocated | 2001-08-07 | 75cba5128ce1… |
| 64.113.0.0 – 64.113.15.255 | 4,096 | US |
allocated | 2001-08-07 | 6744856b40ba… |
| 64.113.16.0 – 64.113.19.255 | 1,024 | US |
allocated | 2001-08-07 | 6744856b40ba… |
| 64.113.32.0 – 64.113.47.255 | 4,096 | US |
allocated | 2001-08-07 | 82de40426012… |
| 64.113.64.0 – 64.113.95.255 | 8,192 | US |
allocated | 2001-08-07 | 856a518b9884… |
| 67.96.0.0 – 67.99.255.255 | 262,144 | US |
allocated | 2001-08-07 | e5e3b9c13678… |
| 64.186.160.0 – 64.186.161.255 | 512 | US |
allocated | 2001-08-06 | b2ed8ec67894… |
| 64.186.162.0 – 64.186.162.255 | 256 | US |
allocated | 2001-08-06 | b2ed8ec67894… |
| 64.186.163.0 – 64.186.163.255 | 256 | US |
allocated | 2001-08-06 | b0eabe23f5c8… |
| 64.186.164.0 – 64.186.167.255 | 1,024 | US |
allocated | 2001-08-06 | b2ed8ec67894… |
| 64.186.168.0 – 64.186.175.255 | 2,048 | US |
allocated | 2001-08-06 | b2ed8ec67894… |
| 24.198.0.0 – 24.198.255.255 | 65,536 | US |
allocated | 2001-08-03 | d2fc8fbc818f… |
| 64.186.224.0 – 64.186.255.255 | 8,192 | US |
allocated | 2001-08-03 | 2dc47cb824cf… |
| 64.187.0.0 – 64.187.63.255 | 16,384 | CA |
allocated | 2001-08-03 | 7de51f8320f6… |
| 24.136.32.0 – 24.136.63.255 | 8,192 | US |
allocated | 2001-08-02 | 4cad11d18482… |
| 66.154.128.0 – 66.154.255.255 | 32,768 | US |
allocated | 2001-08-02 | a19a7bdb4be6… |
| 64.186.192.0 – 64.186.207.255 | 4,096 | US |
allocated | 2001-08-01 | 82fc796fb941… |
| 64.185.0.0 – 64.185.63.255 | 16,384 | US |
allocated | 2001-07-30 | 4b38da225171… |
| 64.185.64.0 – 64.185.95.255 | 8,192 | US |
allocated | 2001-07-30 | e220ed812a4c… |
| 66.158.0.0 – 66.158.127.255 | 32,768 | US |
allocated | 2001-07-30 | 3b3409744e54… |
| 66.155.0.0 – 66.155.63.255 | 16,384 | CA |
allocated | 2001-07-27 | 3c781914ab27… |
| 66.155.64.0 – 66.155.95.255 | 8,192 | CA |
allocated | 2001-07-27 | 3c781914ab27… |
| 66.155.96.0 – 66.155.111.255 | 4,096 | CA |
allocated | 2001-07-27 | 3c781914ab27… |
| 209.55.32.0 – 209.55.63.255 | 8,192 | US |
allocated | 2001-07-27 | f4a312217b86… |
| 67.0.0.0 – 67.7.255.255 | 524,288 | US |
allocated | 2001-07-26 | cdb7d42057bd… |
| 216.127.32.0 – 216.127.63.255 | 8,192 | US |
allocated | 2001-07-25 | e5109a91de4e… |
| 66.152.128.0 – 66.152.159.255 | 8,192 | US |
allocated | 2001-07-24 | a6f50fa048b8… |
| 216.75.160.0 – 216.75.191.255 | 8,192 | CA |
allocated | 2001-07-24 | e23cabb7a6c5… |
| 216.139.96.0 – 216.139.127.255 | 8,192 | US |
allocated | 2001-07-24 | c84bbab1678c… |
| 216.139.160.0 – 216.139.191.255 | 8,192 | US |
allocated | 2001-07-24 | e42b7a7f8475… |
| 64.50.224.0 – 64.50.255.255 | 8,192 | US |
allocated | 2001-07-23 | b473330fef07… |
| 66.152.192.0 – 66.152.255.255 | 16,384 | US |
allocated | 2001-07-23 | 6c065d5b54b8… |
| 64.91.224.0 – 64.91.255.255 | 8,192 | US |
allocated | 2001-07-20 | d8f072014ca8… |
| 66.153.128.0 – 66.153.255.255 | 32,768 | US |
allocated | 2001-07-20 | c7338789be89… |
| 66.154.0.0 – 66.154.63.255 | 16,384 | US |
allocated | 2001-07-20 | 48be156a3fa3… |
| 66.154.64.0 – 66.154.95.255 | 8,192 | US |
allocated | 2001-07-20 | 48be156a3fa3… |
| 66.152.64.0 – 66.152.95.255 | 8,192 | CA |
allocated | 2001-07-18 | 864cd5fe62d1… |
| 24.207.128.0 – 24.207.255.255 | 32,768 | US |
allocated | 2001-07-17 | 2ae6f8bcdd0f… |
| 64.79.160.0 – 64.79.175.255 | 4,096 | US |
allocated | 2001-07-17 | cdb7d42057bd… |
| 66.135.128.0 – 66.135.191.255 | 16,384 | US |
allocated | 2001-07-17 | 4f110d9bcc28… |
| 66.153.0.0 – 66.153.127.255 | 32,768 | US |
allocated | 2001-07-17 | 6c065d5b54b8… |
| 216.137.160.0 – 216.137.175.255 | 4,096 | CA |
allocated | 2001-07-17 | f046ddd53b88… |
| 66.134.0.0 – 66.134.255.255 | 65,536 | US |
allocated | 2001-07-13 | a7f7463af3d3… |
| 66.135.192.0 – 66.135.223.255 | 8,192 | US |
allocated | 2001-07-13 | 6cf6bfa46efa… |
| 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 | 2908fc017227… |
| 66.150.24.0 – 66.150.27.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.40.0 – 66.150.47.255 | 2,048 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.48.0 – 66.150.63.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 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 | 2908fc017227… |
| 66.150.80.0 – 66.150.95.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.96.0 – 66.150.103.255 | 2,048 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.104.0 – 66.150.104.255 | 256 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.106.0 – 66.150.107.255 | 512 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.108.0 – 66.150.111.255 | 1,024 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 66.150.112.0 – 66.150.127.255 | 4,096 | US |
allocated | 2001-07-13 | 2908fc017227… |
| 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 | 2908fc017227… |