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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.238.28.0 – 204.238.28.255 | 256 |  US |
allocated | 1995-03-04 | cc61f337457d… |
| 204.238.29.0 – 204.238.29.255 | 256 | US |
allocated | 1995-03-04 | cc61f337457d… |
| 204.238.30.0 – 204.238.30.255 | 256 | US |
allocated | 1995-03-04 | e7699f53fa1f… |
| 204.238.31.0 – 204.238.31.255 | 256 | US |
allocated | 1995-03-04 | 1e05247dbc1a… |
| 204.238.32.0 – 204.238.32.255 | 256 | US |
allocated | 1995-03-04 | d36c55577a38… |
| 204.238.33.0 – 204.238.33.255 | 256 | US |
allocated | 1995-03-04 | 9253903b1a63… |
| 204.238.34.0 – 204.238.34.255 | 256 | US |
allocated | 1995-03-04 | 4560a3e60186… |
| 204.238.36.0 – 204.238.36.255 | 256 | US |
allocated | 1995-03-04 | 639f25a812b4… |
| 204.238.37.0 – 204.238.37.255 | 256 | US |
allocated | 1995-03-04 | c7b75745a703… |
| 204.238.38.0 – 204.238.38.255 | 256 | US |
allocated | 1995-03-04 | 43d5e298176a… |
| 204.238.39.0 – 204.238.39.255 | 256 | US |
allocated | 1995-03-04 | 2bd60f44db4f… |
| 204.238.40.0 – 204.238.40.255 | 256 | US |
allocated | 1995-03-04 | 159d7497a2b0… |
| 204.238.41.0 – 204.238.41.255 | 256 | US |
allocated | 1995-03-04 | 4850809ba68d… |
| 204.238.42.0 – 204.238.42.255 | 256 | US |
allocated | 1995-03-04 | 9b7c8313005f… |
| 204.238.43.0 – 204.238.43.255 | 256 | US |
allocated | 1995-03-04 | 153dea4bfed5… |
| 205.142.52.0 – 205.142.55.255 | 1,024 | US |
allocated | 1995-03-04 | 5188c1736654… |
| 199.233.130.0 – 199.233.130.255 | 256 | US |
allocated | 1995-03-03 | b41f8a55468d… |
| 199.233.131.0 – 199.233.131.255 | 256 | US |
allocated | 1995-03-03 | 4f8ae1950c7b… |
| 204.87.245.0 – 204.87.245.255 | 256 | US |
allocated | 1995-03-03 | 585932a3479d… |
| 204.87.246.0 – 204.87.246.255 | 256 | US |
allocated | 1995-03-03 | aa14b99862ae… |
| 204.87.247.0 – 204.87.247.255 | 256 | US |
allocated | 1995-03-03 | ffd67fadfdd4… |
| 204.87.248.0 – 204.87.248.255 | 256 | US |
allocated | 1995-03-03 | 177859304cc7… |
| 204.87.249.0 – 204.87.249.255 | 256 | US |
allocated | 1995-03-03 | 20ff9edb5a53… |
| 204.126.198.0 – 204.126.199.255 | 512 | US |
allocated | 1995-03-03 | ce0d5f962eec… |
| 204.152.130.0 – 204.152.131.255 | 512 | US |
allocated | 1995-03-03 | e81273635d4a… |
| 204.218.0.0 – 204.219.255.255 | 131,072 | US |
allocated | 1995-03-03 | bb43f104ac99… |
| 205.132.64.0 – 205.132.71.255 | 2,048 | US |
allocated | 1995-03-03 | cc0169b65a16… |
| 205.142.40.0 – 205.142.43.255 | 1,024 | US |
allocated | 1995-03-03 | c27e5b0bc1fa… |
| 205.142.44.0 – 205.142.45.255 | 512 | US |
allocated | 1995-03-03 | 3487b5fd9a8b… |
| 205.142.46.0 – 205.142.46.255 | 256 | US |
allocated | 1995-03-03 | 3487b5fd9a8b… |
| 205.156.0.0 – 205.156.63.255 | 16,384 | US |
allocated | 1995-03-03 | 2fc72c3bfb52… |
| 199.123.82.0 – 199.123.82.255 | 256 | US |
allocated | 1995-03-02 | 45fe880b68a8… |
| 199.233.126.0 – 199.233.126.255 | 256 | US |
allocated | 1995-03-02 | a46a34d4c2a2… |
| 199.233.127.0 – 199.233.127.255 | 256 | US |
allocated | 1995-03-02 | 76ff0c618e17… |
| 199.233.128.0 – 199.233.128.255 | 256 | US |
allocated | 1995-03-02 | d2d8b7197ff9… |
| 199.253.241.0 – 199.253.241.255 | 256 | US |
allocated | 1995-03-02 | 4b3e152c829c… |
| 199.253.242.0 – 199.253.243.255 | 512 | US |
allocated | 1995-03-02 | 4b3e152c829c… |
| 199.253.244.0 – 199.253.247.255 | 1,024 | US |
allocated | 1995-03-02 | 4b3e152c829c… |
| 199.253.248.0 – 199.253.248.255 | 256 | US |
allocated | 1995-03-02 | 4b3e152c829c… |
| 204.58.28.0 – 204.58.31.255 | 1,024 | US |
allocated | 1995-03-02 | b0a133fe0ab4… |
| 204.58.232.0 – 204.58.235.255 | 1,024 | US |
allocated | 1995-03-02 | 7364ae4d4857… |
| 204.87.244.0 – 204.87.244.255 | 256 | US |
allocated | 1995-03-02 | f1ec6ca5174c… |
| 205.137.48.0 – 205.137.63.255 | 4,096 | US |
allocated | 1995-03-02 | 37fe01d6d027… |
| 205.152.0.0 – 205.152.255.255 | 65,536 | US |
allocated | 1995-03-02 | 81e05477cc28… |
| 192.234.141.0 – 192.234.141.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 192.234.142.0 – 192.234.142.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 192.234.143.0 – 192.234.143.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 192.234.144.0 – 192.234.144.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 192.234.145.0 – 192.234.145.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 192.234.146.0 – 192.234.146.255 | 256 | US |
allocated | 1995-03-01 | bd06f28a6b36… |
| 199.233.119.0 – 199.233.119.255 | 256 | US |
allocated | 1995-03-01 | 14c24bb2cc57… |
| 199.233.120.0 – 199.233.120.255 | 256 | US |
allocated | 1995-03-01 | ef5a599f400b… |
| 199.233.121.0 – 199.233.121.255 | 256 | US |
allocated | 1995-03-01 | 611f18e5e850… |
| 199.233.122.0 – 199.233.122.255 | 256 | US |
allocated | 1995-03-01 | 34608b2ab6ce… |
| 199.233.123.0 – 199.233.123.255 | 256 | US |
allocated | 1995-03-01 | d45f3c85db83… |
| 199.233.124.0 – 199.233.124.255 | 256 | US |
allocated | 1995-03-01 | 775cc26b12ab… |
| 204.87.239.0 – 204.87.239.255 | 256 | US |
allocated | 1995-03-01 | e0530a7bb922… |
| 204.87.240.0 – 204.87.240.255 | 256 | US |
allocated | 1995-03-01 | 498fa4e1f651… |
| 204.87.241.0 – 204.87.241.255 | 256 | US |
allocated | 1995-03-01 | 72f9092158dd… |
| 204.87.242.0 – 204.87.242.255 | 256 | US |
allocated | 1995-03-01 | f798b2bf09e5… |
| 204.126.194.0 – 204.126.195.255 | 512 | US |
allocated | 1995-03-01 | eca856308fdf… |
| 204.126.196.0 – 204.126.197.255 | 512 | US |
allocated | 1995-03-01 | 142bcbc3930d… |
| 204.152.126.0 – 204.152.127.255 | 512 | US |
allocated | 1995-03-01 | d3d4cb52db63… |
| 199.233.100.0 – 199.233.100.255 | 256 | US |
allocated | 1995-02-28 | 8f53cff3986c… |
| 199.233.102.0 – 199.233.102.255 | 256 | US |
allocated | 1995-02-28 | d9eeeb1e3d23… |
| 199.233.103.0 – 199.233.103.255 | 256 | US |
allocated | 1995-02-28 | d7124fe31c2a… |
| 199.233.104.0 – 199.233.104.255 | 256 | US |
allocated | 1995-02-28 | 5310893ec05e… |
| 199.233.106.0 – 199.233.106.255 | 256 | US |
allocated | 1995-02-28 | de57c56eb972… |
| 199.233.107.0 – 199.233.107.255 | 256 | US |
allocated | 1995-02-28 | a8959fdd62e9… |
| 199.233.108.0 – 199.233.108.255 | 256 | US |
allocated | 1995-02-28 | 9dca4a4eed94… |
| 199.233.109.0 – 199.233.109.255 | 256 | US |
allocated | 1995-02-28 | 57502bdffbed… |
| 199.233.111.0 – 199.233.111.255 | 256 | US |
allocated | 1995-02-28 | 816d96ffd098… |
| 199.233.115.0 – 199.233.115.255 | 256 | US |
allocated | 1995-02-28 | e5a5ba6e3523… |
| 199.233.116.0 – 199.233.116.255 | 256 | US |
allocated | 1995-02-28 | 0d19465986ce… |
| 199.233.117.0 – 199.233.117.255 | 256 | US |
allocated | 1995-02-28 | 657ec957503d… |
| 204.58.24.0 – 204.58.27.255 | 1,024 | US |
allocated | 1995-02-28 | 96fd592f5445… |
| 204.87.236.0 – 204.87.236.255 | 256 | US |
allocated | 1995-02-28 | b8984fc52f8d… |
| 204.87.238.0 – 204.87.238.255 | 256 | US |
allocated | 1995-02-28 | d38024e5ddee… |
| 204.126.186.0 – 204.126.187.255 | 512 | US |
allocated | 1995-02-28 | 01fea18fea46… |
| 204.126.188.0 – 204.126.191.255 | 1,024 | US |
allocated | 1995-02-28 | 01fea18fea46… |
| 204.126.192.0 – 204.126.193.255 | 512 | US |
allocated | 1995-02-28 | f876bac7c873… |
| 204.128.247.0 – 204.128.247.255 | 256 | US |
allocated | 1995-02-28 | 1d7c9ef41cb6… |
| 204.128.248.0 – 204.128.248.255 | 256 | US |
allocated | 1995-02-28 | a897b100b3cc… |
| 204.128.250.0 – 204.128.250.255 | 256 | US |
allocated | 1995-02-28 | cc1f277cf7a8… |
| 204.128.251.0 – 204.128.251.255 | 256 | US |
allocated | 1995-02-28 | 84f1db27b6bd… |
| 204.152.120.0 – 204.152.121.255 | 512 | US |
allocated | 1995-02-28 | be0717d03808… |
| 204.152.122.0 – 204.152.123.255 | 512 | US |
allocated | 1995-02-28 | 7ef83296887f… |
| 204.152.124.0 – 204.152.125.255 | 512 | US |
allocated | 1995-02-28 | fcc74f9cd9e7… |
| 205.141.192.0 – 205.141.223.255 | 8,192 | US |
allocated | 1995-02-28 | 161fb0fc33bc… |
| 205.141.224.0 – 205.141.231.255 | 2,048 | US |
allocated | 1995-02-28 | 161fb0fc33bc… |
| 205.142.32.0 – 205.142.35.255 | 1,024 | US |
allocated | 1995-02-28 | f51650c78ad9… |
| 205.149.64.0 – 205.149.95.255 | 8,192 | US |
allocated | 1995-02-28 | 9d1006828e53… |
| 205.150.0.0 – 205.150.255.255 | 65,536 | US |
allocated | 1995-02-28 | e220ed812a4c… |
| 205.151.1.0 – 205.151.1.255 | 256 |  CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.2.0 – 205.151.3.255 | 512 | CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.4.0 – 205.151.7.255 | 1,024 | CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.8.0 – 205.151.15.255 | 2,048 | CA |
allocated | 1995-02-28 | f4abed87d4e6… |
| 205.151.16.0 – 205.151.16.255 | 256 | CA |
allocated | 1995-02-28 | b95ec8000443… |
| 205.151.52.0 – 205.151.52.255 | 256 | CA |
allocated | 1995-02-28 | a1879372acda… |
| 205.151.53.0 – 205.151.53.255 | 256 | CA |
allocated | 1995-02-28 | 3577860651a2… |