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 |
|---|---|---|---|---|---|
| 204.80.178.0 – 204.80.178.255 | 256 |  US |
allocated | 1995-01-25 | d39b6aa3baa6… |
| 204.80.179.0 – 204.80.179.255 | 256 | US |
allocated | 1995-01-25 | 328d980727aa… |
| 204.80.180.0 – 204.80.180.255 | 256 | US |
allocated | 1995-01-25 | 56e241c370bc… |
| 204.80.181.0 – 204.80.181.255 | 256 | US |
allocated | 1995-01-25 | 3373ee659cfc… |
| 204.80.182.0 – 204.80.182.255 | 256 | US |
allocated | 1995-01-25 | ceb5127e575c… |
| 204.80.183.0 – 204.80.183.255 | 256 | US |
allocated | 1995-01-25 | 45fe880b68a8… |
| 204.80.184.0 – 204.80.184.255 | 256 | US |
allocated | 1995-01-25 | 06843c1dea90… |
| 204.80.185.0 – 204.80.185.255 | 256 | US |
allocated | 1995-01-25 | 1c1d64df7ac5… |
| 204.80.186.0 – 204.80.186.255 | 256 | US |
allocated | 1995-01-25 | 742a1e6a28e4… |
| 204.80.187.0 – 204.80.187.255 | 256 | US |
allocated | 1995-01-25 | 3502b37c5235… |
| 204.80.188.0 – 204.80.188.255 | 256 | US |
allocated | 1995-01-25 | f823ab4c3a87… |
| 204.80.189.0 – 204.80.189.255 | 256 | US |
allocated | 1995-01-25 | 24d4eed63935… |
| 204.80.190.0 – 204.80.190.255 | 256 | US |
allocated | 1995-01-25 | 2613ab14233f… |
| 204.80.191.0 – 204.80.191.255 | 256 | US |
allocated | 1995-01-25 | 93b9c3007961… |
| 204.80.192.0 – 204.80.192.255 | 256 | US |
allocated | 1995-01-25 | 634db2671f87… |
| 204.80.193.0 – 204.80.193.255 | 256 | US |
allocated | 1995-01-25 | d1cc1d7e3b61… |
| 204.80.194.0 – 204.80.194.255 | 256 | US |
allocated | 1995-01-25 | f18bd6df695a… |
| 204.80.195.0 – 204.80.195.255 | 256 | US |
allocated | 1995-01-25 | c5d7bf04522d… |
| 204.80.196.0 – 204.80.196.255 | 256 | US |
allocated | 1995-01-25 | d6ba9f754d05… |
| 204.80.197.0 – 204.80.197.255 | 256 | US |
allocated | 1995-01-25 | 2bce8a87b2cc… |
| 204.80.198.0 – 204.80.198.255 | 256 | US |
allocated | 1995-01-25 | 6ab0ed50e990… |
| 204.80.199.0 – 204.80.199.255 | 256 | US |
allocated | 1995-01-25 | 92af7e44e981… |
| 204.80.200.0 – 204.80.200.255 | 256 | US |
allocated | 1995-01-25 | e98a49c235fb… |
| 204.80.201.0 – 204.80.201.255 | 256 | US |
allocated | 1995-01-25 | f6c893a3a111… |
| 204.80.202.0 – 204.80.202.255 | 256 | US |
allocated | 1995-01-25 | a95ca4a0126d… |
| 204.80.203.0 – 204.80.203.255 | 256 | US |
allocated | 1995-01-25 | d83623fe5312… |
| 204.145.245.0 – 204.145.245.255 | 256 | US |
allocated | 1995-01-25 | b2fd39f6d025… |
| 149.68.0.0 – 149.68.255.255 | 65,536 | US |
allocated | 1995-01-24 | 90d383c31d57… |
| 199.253.136.0 – 199.253.143.255 | 2,048 | US |
allocated | 1995-01-24 | 9b36d56e6466… |
| 199.253.144.0 – 199.253.151.255 | 2,048 | US |
allocated | 1995-01-24 | 2e25c285356c… |
| 199.253.152.0 – 199.253.159.255 | 2,048 | US |
allocated | 1995-01-24 | d2ca47971f11… |
| 199.253.160.0 – 199.253.167.255 | 2,048 | US |
allocated | 1995-01-24 | adb7a3bb5b2e… |
| 204.58.148.0 – 204.58.151.255 | 1,024 | US |
allocated | 1995-01-24 | bf83831fe615… |
| 204.80.164.0 – 204.80.164.255 | 256 | US |
allocated | 1995-01-24 | 56e241c370bc… |
| 204.80.165.0 – 204.80.165.255 | 256 | US |
allocated | 1995-01-24 | 077323b1c527… |
| 204.80.166.0 – 204.80.166.255 | 256 | US |
allocated | 1995-01-24 | 1e743a6275f1… |
| 204.80.167.0 – 204.80.167.255 | 256 | US |
allocated | 1995-01-24 | d5cebaee9210… |
| 204.80.168.0 – 204.80.168.255 | 256 | US |
allocated | 1995-01-24 | a8dac56c5bd9… |
| 204.80.169.0 – 204.80.169.255 | 256 | US |
allocated | 1995-01-24 | ac29539761bb… |
| 204.80.170.0 – 204.80.170.255 | 256 | US |
allocated | 1995-01-24 | 832113501461… |
| 204.80.171.0 – 204.80.171.255 | 256 | US |
allocated | 1995-01-24 | 4e7030731789… |
| 204.87.178.0 – 204.87.178.255 | 256 | US |
allocated | 1995-01-24 | 952ef25d9338… |
| 204.87.181.0 – 204.87.181.255 | 256 | US |
allocated | 1995-01-24 | 4bdb7dd667bc… |
| 204.87.182.0 – 204.87.182.255 | 256 | US |
allocated | 1995-01-24 | 1d2f0e5bf642… |
| 204.87.183.0 – 204.87.183.255 | 256 | US |
allocated | 1995-01-24 | 8256ef812c5b… |
| 204.87.184.0 – 204.87.184.255 | 256 | US |
allocated | 1995-01-24 | 2af78aab3af6… |
| 204.126.150.0 – 204.126.151.255 | 512 | US |
allocated | 1995-01-24 | 0722fe8c4661… |
| 204.145.239.0 – 204.145.239.255 | 256 | US |
allocated | 1995-01-24 | e7adb3d5181d… |
| 204.145.240.0 – 204.145.240.255 | 256 | US |
allocated | 1995-01-24 | 7013aaedb478… |
| 204.145.242.0 – 204.145.242.255 | 256 | US |
allocated | 1995-01-24 | 9a75b407c97c… |
| 204.145.243.0 – 204.145.243.255 | 256 | US |
allocated | 1995-01-24 | 9a75b407c97c… |
| 204.145.246.0 – 204.145.247.255 | 512 | US |
allocated | 1995-01-24 | 93f0dd84dd12… |
| 204.145.248.0 – 204.145.249.255 | 512 | US |
allocated | 1995-01-24 | 93f0dd84dd12… |
| 204.227.224.0 – 204.227.255.255 | 8,192 | US |
allocated | 1995-01-24 | ddc3fb3d8937… |
| 149.31.0.0 – 149.31.255.255 | 65,536 | US |
allocated | 1995-01-23 | 446e06b3fdd8… |
| 149.105.0.0 – 149.105.255.255 | 65,536 | US |
allocated | 1995-01-23 | a287fc521c45… |
| 166.97.0.0 – 166.97.255.255 | 65,536 | US |
allocated | 1995-01-23 | 322913747ed2… |
| 192.251.33.0 – 192.251.33.255 | 256 | US |
allocated | 1995-01-23 | 25ca7162c72c… |
| 204.145.228.0 – 204.145.228.255 | 256 | US |
allocated | 1995-01-23 | ed964c7d9b11… |
| 204.145.229.0 – 204.145.229.255 | 256 |  CA |
allocated | 1995-01-23 | e6e88c608301… |
| 204.145.230.0 – 204.145.230.255 | 256 | US |
allocated | 1995-01-23 | fb337b2249ba… |
| 204.145.231.0 – 204.145.231.255 | 256 | US |
allocated | 1995-01-23 | fbac54fbb86e… |
| 204.145.232.0 – 204.145.232.255 | 256 | US |
allocated | 1995-01-23 | 9dfcbd553209… |
| 204.145.233.0 – 204.145.233.255 | 256 | US |
allocated | 1995-01-23 | b088e4782c0f… |
| 204.145.235.0 – 204.145.235.255 | 256 | US |
allocated | 1995-01-23 | c7797b19f1dc… |
| 204.145.236.0 – 204.145.236.255 | 256 | US |
allocated | 1995-01-23 | c4ffbdfdb6c2… |
| 204.145.237.0 – 204.145.237.255 | 256 | US |
allocated | 1995-01-23 | a091b6102abe… |
| 204.145.238.0 – 204.145.238.255 | 256 | US |
allocated | 1995-01-23 | a267000fdc79… |
| 204.227.160.0 – 204.227.191.255 | 8,192 | US |
allocated | 1995-01-23 | 9f14454567a6… |
| 192.34.70.0 – 192.34.70.255 | 256 | CA |
allocated | 1995-01-20 | cfaefc29b8bd… |
| 204.145.119.0 – 204.145.119.255 | 256 | US |
allocated | 1995-01-20 | d32bc1b55f8e… |
| 204.145.205.0 – 204.145.205.255 | 256 | US |
allocated | 1995-01-20 | ff6ac5f645ba… |
| 204.145.206.0 – 204.145.206.255 | 256 | US |
allocated | 1995-01-20 | 9a6fbe337e66… |
| 204.145.207.0 – 204.145.207.255 | 256 | US |
allocated | 1995-01-20 | da8caee48fbe… |
| 204.145.208.0 – 204.145.208.255 | 256 | US |
allocated | 1995-01-20 | 9ec269ccdd56… |
| 204.145.209.0 – 204.145.209.255 | 256 | US |
allocated | 1995-01-20 | 9e62a075a954… |
| 204.145.211.0 – 204.145.211.255 | 256 | US |
allocated | 1995-01-20 | 0a2ac46f6084… |
| 204.145.212.0 – 204.145.212.255 | 256 | US |
allocated | 1995-01-20 | 5c8d094f1e3a… |
| 204.145.213.0 – 204.145.213.255 | 256 | US |
allocated | 1995-01-20 | dc5bbc7f7dd0… |
| 204.145.214.0 – 204.145.214.255 | 256 | US |
allocated | 1995-01-20 | b8250d960802… |
| 204.145.215.0 – 204.145.215.255 | 256 | US |
allocated | 1995-01-20 | ca2e412fb7a7… |
| 204.145.216.0 – 204.145.216.255 | 256 | US |
allocated | 1995-01-20 | 4b66c2f8520e… |
| 204.145.217.0 – 204.145.217.255 | 256 | US |
allocated | 1995-01-20 | 46acd120edcf… |
| 204.145.218.0 – 204.145.218.255 | 256 | US |
allocated | 1995-01-20 | bae608539371… |
| 204.145.220.0 – 204.145.220.255 | 256 | US |
allocated | 1995-01-20 | ef8ef728f02a… |
| 204.145.221.0 – 204.145.221.255 | 256 | US |
allocated | 1995-01-20 | 0cbfb126f114… |
| 204.145.222.0 – 204.145.222.255 | 256 | US |
allocated | 1995-01-20 | 82580a81e7ad… |
| 204.145.223.0 – 204.145.223.255 | 256 | US |
allocated | 1995-01-20 | 1f5dde817633… |
| 204.145.224.0 – 204.145.224.255 | 256 | US |
allocated | 1995-01-20 | 38cd5fa9d4f4… |
| 204.145.225.0 – 204.145.225.255 | 256 | US |
allocated | 1995-01-20 | 8053efa59b4d… |
| 204.145.227.0 – 204.145.227.255 | 256 | US |
allocated | 1995-01-20 | c3fcfb71d673… |
| 204.152.84.0 – 204.152.87.255 | 1,024 | US |
allocated | 1995-01-20 | 9af8c86ed5f7… |
| 204.152.88.0 – 204.152.89.255 | 512 | US |
allocated | 1995-01-20 | 9af8c86ed5f7… |
| 204.152.96.0 – 204.152.96.255 | 256 | US |
allocated | 1995-01-20 | b81d2482d4b7… |
| 204.152.100.0 – 204.152.103.255 | 1,024 | US |
allocated | 1995-01-20 | 89999daaa161… |
| 204.152.104.0 – 204.152.104.255 | 256 | US |
allocated | 1995-01-20 | 89999daaa161… |
| 204.153.212.0 – 204.153.213.255 | 512 | US |
allocated | 1995-01-20 | 4e4147677985… |
| 204.153.214.0 – 204.153.214.255 | 256 | US |
allocated | 1995-01-20 | 4e4147677985… |
| 204.153.216.0 – 204.153.217.255 | 512 | US |
allocated | 1995-01-20 | f01528d7040a… |
| 204.153.218.0 – 204.153.218.255 | 256 | US |
allocated | 1995-01-20 | f01528d7040a… |