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 |
|---|---|---|---|---|---|
| 199.233.135.0 – 199.233.135.255 | 256 |  US |
allocated | 1995-03-08 | 1857e804802b… |
| 199.233.136.0 – 199.233.136.255 | 256 | US |
allocated | 1995-03-08 | 232ab6f274db… |
| 199.233.137.0 – 199.233.137.255 | 256 | US |
allocated | 1995-03-08 | dec73d159425… |
| 199.233.138.0 – 199.233.138.255 | 256 | US |
allocated | 1995-03-08 | fc5d5cfe2b44… |
| 199.233.139.0 – 199.233.139.255 | 256 | US |
allocated | 1995-03-08 | 4f1bb36eda89… |
| 199.233.140.0 – 199.233.140.255 | 256 | US |
allocated | 1995-03-08 | c411dc743f22… |
| 199.233.141.0 – 199.233.141.255 | 256 | US |
allocated | 1995-03-08 | 5ad64a88ff72… |
| 199.233.142.0 – 199.233.142.255 | 256 | US |
allocated | 1995-03-08 | 900b26a86816… |
| 199.233.143.0 – 199.233.143.255 | 256 | US |
allocated | 1995-03-08 | d513cdd768bd… |
| 199.233.145.0 – 199.233.145.255 | 256 | US |
allocated | 1995-03-08 | 796b28e9580a… |
| 199.233.146.0 – 199.233.146.255 | 256 | US |
allocated | 1995-03-08 | 8a9d0ce7b183… |
| 199.233.147.0 – 199.233.147.255 | 256 | US |
allocated | 1995-03-08 | 6578eac79f17… |
| 199.233.148.0 – 199.233.148.255 | 256 | US |
allocated | 1995-03-08 | 97b967a26a93… |
| 199.233.149.0 – 199.233.149.255 | 256 | US |
allocated | 1995-03-08 | a011d3af66c9… |
| 199.233.150.0 – 199.233.150.255 | 256 | US |
allocated | 1995-03-08 | e50862812012… |
| 204.58.236.0 – 204.58.239.255 | 1,024 | US |
allocated | 1995-03-08 | 742a1e6a28e4… |
| 204.126.202.0 – 204.126.203.255 | 512 | US |
allocated | 1995-03-08 | 1c319b3f8c6d… |
| 204.126.206.0 – 204.126.207.255 | 512 | US |
allocated | 1995-03-08 | de71c89f1523… |
| 204.126.208.0 – 204.126.211.255 | 1,024 | US |
allocated | 1995-03-08 | de71c89f1523… |
| 204.126.212.0 – 204.126.213.255 | 512 | US |
allocated | 1995-03-08 | f845f2be503a… |
| 204.126.214.0 – 204.126.215.255 | 512 | US |
allocated | 1995-03-08 | 157e8178af39… |
| 204.136.128.0 – 204.136.255.255 | 32,768 | US |
allocated | 1995-03-08 | a3adae12f224… |
| 204.152.138.0 – 204.152.139.255 | 512 | US |
allocated | 1995-03-08 | 9d1a6433fbac… |
| 204.238.45.0 – 204.238.45.255 | 256 | US |
allocated | 1995-03-08 | 2b2c6631c772… |
| 204.238.46.0 – 204.238.46.255 | 256 | US |
allocated | 1995-03-08 | 6a2bec1ff1c3… |
| 204.238.47.0 – 204.238.47.255 | 256 | US |
allocated | 1995-03-08 | ad747f27e82b… |
| 204.238.48.0 – 204.238.48.255 | 256 | US |
allocated | 1995-03-08 | 1917e937cf1a… |
| 205.137.80.0 – 205.137.95.255 | 4,096 | US |
allocated | 1995-03-08 | 20cd1178e946… |
| 205.137.96.0 – 205.137.111.255 | 4,096 | US |
allocated | 1995-03-08 | 87e32f70452a… |
| 205.160.0.0 – 205.163.255.255 | 262,144 | US |
allocated | 1995-03-08 | 37fe01d6d027… |
| 169.198.0.0 – 169.198.255.255 | 65,536 | US |
allocated | 1995-03-06 | 9813f7add970… |
| 204.87.250.0 – 204.87.250.255 | 256 | US |
allocated | 1995-03-06 | 396671cd7b4f… |
| 204.87.252.0 – 204.87.252.255 | 256 | US |
allocated | 1995-03-06 | 4d076213f9ca… |
| 204.87.253.0 – 204.87.253.255 | 256 | US |
allocated | 1995-03-06 | 27ffe5954f61… |
| 204.87.254.0 – 204.87.254.255 | 256 | US |
allocated | 1995-03-06 | 87de5a42fcd5… |
| 204.126.200.0 – 204.126.201.255 | 512 | US |
allocated | 1995-03-06 | 1a3cf7bfb644… |
| 204.128.253.0 – 204.128.253.255 | 256 | US |
allocated | 1995-03-04 | 08688803bbbf… |
| 204.128.254.0 – 204.128.254.255 | 256 | US |
allocated | 1995-03-04 | 242853b945f8… |
| 204.128.255.0 – 204.128.255.255 | 256 | US |
allocated | 1995-03-04 | f059cd052d29… |
| 204.152.134.0 – 204.152.135.255 | 512 | US |
allocated | 1995-03-04 | dfb25421cad4… |
| 204.152.136.0 – 204.152.137.255 | 512 | US |
allocated | 1995-03-04 | dcf47803b7ce… |
| 204.238.21.0 – 204.238.21.255 | 256 | US |
allocated | 1995-03-04 | 39669cb060f2… |
| 204.238.22.0 – 204.238.22.255 | 256 | US |
allocated | 1995-03-04 | e7963a38a501… |
| 204.238.23.0 – 204.238.23.255 | 256 | US |
allocated | 1995-03-04 | ce0d5f962eec… |
| 204.238.24.0 – 204.238.24.255 | 256 | US |
allocated | 1995-03-04 | db829dcc0d44… |
| 204.238.25.0 – 204.238.25.255 | 256 | US |
allocated | 1995-03-04 | 3dc9869c996f… |
| 204.238.26.0 – 204.238.26.255 | 256 | US |
allocated | 1995-03-04 | 70c768052b8c… |
| 204.238.27.0 – 204.238.27.255 | 256 | US |
allocated | 1995-03-04 | cb82f71799d6… |
| 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… |