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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.52.244.0 – 204.52.244.255 | 256 |  US |
allocated | 1994-07-15 | f51256e826d9… |
| 204.52.245.0 – 204.52.245.255 | 256 | US |
allocated | 1994-07-15 | 49c3b0e6c124… |
| 204.52.246.0 – 204.52.246.255 | 256 | US |
allocated | 1994-07-15 | 49c3b0e6c124… |
| 204.52.247.0 – 204.52.247.255 | 256 | US |
allocated | 1994-07-15 | 49c3b0e6c124… |
| 204.52.248.0 – 204.52.249.255 | 512 | US |
allocated | 1994-07-15 | 347545edef24… |
| 204.52.250.0 – 204.52.250.255 | 256 | US |
allocated | 1994-07-15 | 78c3aaf8e2de… |
| 204.52.251.0 – 204.52.251.255 | 256 | US |
allocated | 1994-07-15 | 95f348a5f922… |
| 204.52.252.0 – 204.52.252.255 | 256 | US |
allocated | 1994-07-15 | 9d8061c072d3… |
| 204.52.253.0 – 204.52.253.255 | 256 | US |
allocated | 1994-07-15 | 3c43dbafcf1b… |
| 204.52.255.0 – 204.52.255.255 | 256 | US |
allocated | 1994-07-15 | 2c3950706033… |
| 204.63.16.0 – 204.63.31.255 | 4,096 | US |
allocated | 1994-07-15 | a51446bbba08… |
| 170.164.0.0 – 170.164.255.255 | 65,536 | US |
allocated | 1994-07-14 | 2df081be17bc… |
| 198.203.64.0 – 198.203.127.255 | 16,384 | US |
allocated | 1994-07-14 | 29c7260133dc… |
| 198.246.140.0 – 198.246.143.255 | 1,024 | US |
allocated | 1994-07-14 | c421a6cf607d… |
| 199.181.141.0 – 199.181.141.255 | 256 | US |
allocated | 1994-07-14 | c7c057628ac9… |
| 204.52.234.0 – 204.52.235.255 | 512 | US |
allocated | 1994-07-14 | 01e8f05e744d… |
| 204.52.236.0 – 204.52.236.255 | 256 | US |
allocated | 1994-07-14 | 01e8f05e744d… |
| 204.52.237.0 – 204.52.237.255 | 256 | US |
allocated | 1994-07-14 | 3cc987146092… |
| 204.52.239.0 – 204.52.239.255 | 256 | US |
allocated | 1994-07-14 | 38224a674bff… |
| 204.52.240.0 – 204.52.240.255 | 256 | US |
allocated | 1994-07-14 | 5be8ae0774b5… |
| 204.52.241.0 – 204.52.241.255 | 256 | US |
allocated | 1994-07-14 | 7973f8a3e674… |
| 204.52.243.0 – 204.52.243.255 | 256 | US |
allocated | 1994-07-14 | 7c562b16d642… |
| 204.89.138.0 – 204.89.139.255 | 512 | US |
allocated | 1994-07-14 | 2a3f36f46ea9… |
| 204.89.140.0 – 204.89.140.255 | 256 | US |
allocated | 1994-07-14 | 2a3f36f46ea9… |
| 204.101.0.0 – 204.101.255.255 | 65,536 |  CA |
allocated | 1994-07-14 | 7de51f8320f6… |
| 198.246.128.0 – 198.246.128.255 | 256 | US |
allocated | 1994-07-13 | edb7b114416c… |
| 198.246.129.0 – 198.246.129.255 | 256 | US |
allocated | 1994-07-13 | 3cc54bed3d95… |
| 198.246.130.0 – 198.246.130.255 | 256 | US |
allocated | 1994-07-13 | 725e74fd6435… |
| 198.246.131.0 – 198.246.131.255 | 256 | US |
allocated | 1994-07-13 | 987e1ae12178… |
| 198.246.132.0 – 198.246.133.255 | 512 | US |
allocated | 1994-07-13 | dd02f9b1a9de… |
| 198.246.134.0 – 198.246.134.255 | 256 | US |
allocated | 1994-07-13 | 8fe44cb5c031… |
| 198.246.135.0 – 198.246.135.255 | 256 | US |
allocated | 1994-07-13 | 1fc8cde5c7f3… |
| 198.246.136.0 – 198.246.139.255 | 1,024 | US |
allocated | 1994-07-13 | 1fc8cde5c7f3… |
| 199.71.252.0 – 199.71.252.255 | 256 | CA |
allocated | 1994-07-13 | f034c3b24f76… |
| 199.223.32.0 – 199.223.63.255 | 8,192 | US |
allocated | 1994-07-13 | 88b3bfc6795b… |
| 204.52.228.0 – 204.52.229.255 | 512 | US |
allocated | 1994-07-13 | 062292617d2a… |
| 204.52.230.0 – 204.52.230.255 | 256 | US |
allocated | 1994-07-13 | 062292617d2a… |
| 204.52.233.0 – 204.52.233.255 | 256 | US |
allocated | 1994-07-13 | ae51071f6786… |
| 204.76.16.0 – 204.76.23.255 | 2,048 | US |
allocated | 1994-07-13 | 5ef8c1670019… |
| 204.76.24.0 – 204.76.27.255 | 1,024 | US |
allocated | 1994-07-13 | 5ef8c1670019… |
| 204.76.28.0 – 204.76.28.255 | 256 | US |
allocated | 1994-07-13 | 5ef8c1670019… |
| 204.94.0.0 – 204.95.255.255 | 131,072 | US |
allocated | 1994-07-13 | 37fe01d6d027… |
| 204.96.0.0 – 204.97.255.255 | 131,072 | US |
allocated | 1994-07-13 | 37fe01d6d027… |
| 204.100.0.0 – 204.100.255.255 | 65,536 | US |
allocated | 1994-07-13 | e56dd2f9cbf6… |
| 192.190.111.0 – 192.190.111.255 | 256 | US |
allocated | 1994-07-12 | b15ae173469f… |
| 192.207.48.0 – 192.207.48.255 | 256 |  PR |
allocated | 1994-07-12 | 4bd826b8bf57… |
| 192.245.18.0 – 192.245.18.255 | 256 | US |
allocated | 1994-07-12 | 60ce7c02c14e… |
| 198.245.250.0 – 198.245.251.255 | 512 | US |
allocated | 1994-07-12 | 8d8b05392b75… |
| 198.245.252.0 – 198.245.252.255 | 256 | US |
allocated | 1994-07-12 | 8d8b05392b75… |
| 198.245.253.0 – 198.245.253.255 | 256 | US |
allocated | 1994-07-12 | 19401e0e0e21… |
| 198.245.254.0 – 198.245.254.255 | 256 | US |
allocated | 1994-07-12 | b576c4c42262… |
| 204.52.215.0 – 204.52.215.255 | 256 | US |
allocated | 1994-07-12 | 0c6664b17c1e… |
| 204.52.216.0 – 204.52.216.255 | 256 | US |
allocated | 1994-07-12 | 45973c8dcb35… |
| 204.52.217.0 – 204.52.217.255 | 256 | US |
allocated | 1994-07-12 | 3a6d7f5f3898… |
| 204.52.218.0 – 204.52.218.255 | 256 | US |
allocated | 1994-07-12 | 234d24b4e006… |
| 204.52.220.0 – 204.52.220.255 | 256 | US |
allocated | 1994-07-12 | b75aa99d8ad2… |
| 204.52.223.0 – 204.52.223.255 | 256 | US |
allocated | 1994-07-12 | 1f003c44ad25… |
| 204.52.224.0 – 204.52.225.255 | 512 | US |
allocated | 1994-07-12 | 73140e517da1… |
| 204.52.226.0 – 204.52.226.255 | 256 | US |
allocated | 1994-07-12 | 73140e517da1… |
| 204.52.227.0 – 204.52.227.255 | 256 | US |
allocated | 1994-07-12 | 347545edef24… |
| 204.99.0.0 – 204.99.127.255 | 32,768 | US |
allocated | 1994-07-12 | 6d25f5314a15… |
| 204.99.128.0 – 204.99.128.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.129.0 – 204.99.129.255 | 256 | US |
allocated | 1994-07-12 | 52399cc9fb77… |
| 204.99.130.0 – 204.99.130.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.131.0 – 204.99.131.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.133.0 – 204.99.133.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.134.0 – 204.99.134.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.135.0 – 204.99.135.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.136.0 – 204.99.136.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.137.0 – 204.99.137.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.138.0 – 204.99.139.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.141.0 – 204.99.141.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.142.0 – 204.99.143.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.144.0 – 204.99.147.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.148.0 – 204.99.149.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.150.0 – 204.99.150.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.151.0 – 204.99.151.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.152.0 – 204.99.152.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.153.0 – 204.99.153.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.154.0 – 204.99.155.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.156.0 – 204.99.159.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.160.0 – 204.99.175.255 | 4,096 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.176.0 – 204.99.177.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.178.0 – 204.99.179.255 | 512 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.180.0 – 204.99.183.255 | 1,024 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.184.0 – 204.99.185.255 | 512 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.186.0 – 204.99.187.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.188.0 – 204.99.191.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.192.0 – 204.99.207.255 | 4,096 | US |
allocated | 1994-07-12 | 3b59c360f010… |
| 204.99.208.0 – 204.99.223.255 | 4,096 | US |
allocated | 1994-07-12 | 096d92fdd257… |
| 204.99.224.0 – 204.99.255.255 | 8,192 | US |
allocated | 1994-07-12 | 12f8e4c74193… |
| 196.12.64.0 – 196.12.127.255 | 16,384 |  BM |
allocated | 1994-07-11 | 2207f4cd56d2… |
| 198.245.247.0 – 198.245.247.255 | 256 | US |
allocated | 1994-07-11 | d1cde24ec33c… |
| 199.250.64.0 – 199.250.127.255 | 16,384 | US |
allocated | 1994-07-11 | db93de86f9b1… |
| 204.52.207.0 – 204.52.207.255 | 256 | US |
allocated | 1994-07-11 | 6e5e7478dd04… |
| 204.52.208.0 – 204.52.208.255 | 256 |  IL |
allocated | 1994-07-11 | 8654ff53ce62… |
| 204.52.210.0 – 204.52.210.255 | 256 | US |
allocated | 1994-07-11 | e649f3ef40a4… |
| 204.52.211.0 – 204.52.211.255 | 256 | US |
allocated | 1994-07-11 | 94f9fcfbcf6b… |
| 204.107.227.0 – 204.107.227.255 | 256 | US |
allocated | 1994-07-11 | a30d3d3498aa… |
| 204.128.138.0 – 204.128.138.255 | 256 | US |
allocated | 1994-07-11 | a30d3d3498aa… |