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
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.87.150.0 – 204.87.150.255 | 256 |  US |
allocated | 1994-12-29 | 415df66f9a53… |
| 204.87.151.0 – 204.87.151.255 | 256 | US |
allocated | 1994-12-29 | 596ad8635217… |
| 204.87.152.0 – 204.87.152.255 | 256 | US |
allocated | 1994-12-29 | 212894117817… |
| 204.87.153.0 – 204.87.153.255 | 256 | US |
allocated | 1994-12-29 | f50fff64a879… |
| 204.87.154.0 – 204.87.154.255 | 256 | US |
allocated | 1994-12-29 | 9137e44c4f8a… |
| 204.87.156.0 – 204.87.156.255 | 256 | US |
allocated | 1994-12-29 | 1aa2a242237f… |
| 204.87.157.0 – 204.87.157.255 | 256 | US |
allocated | 1994-12-29 | 26b4fbe92f37… |
| 204.87.158.0 – 204.87.158.255 | 256 | US |
allocated | 1994-12-29 | 711b28d274f0… |
| 204.87.159.0 – 204.87.159.255 | 256 | US |
allocated | 1994-12-29 | 0da971fd550b… |
| 204.87.160.0 – 204.87.160.255 | 256 | US |
allocated | 1994-12-29 | 295647b39e50… |
| 204.87.161.0 – 204.87.161.255 | 256 | US |
allocated | 1994-12-29 | 995c3ad63b2a… |
| 204.87.162.0 – 204.87.162.255 | 256 | US |
allocated | 1994-12-29 | 535447beba07… |
| 204.87.163.0 – 204.87.163.255 | 256 | US |
allocated | 1994-12-29 | ce0d5f962eec… |
| 204.87.164.0 – 204.87.164.255 | 256 | US |
allocated | 1994-12-29 | f27da9a07474… |
| 204.124.228.0 – 204.124.231.255 | 1,024 | US |
allocated | 1994-12-29 | de95f97fcd76… |
| 204.126.126.0 – 204.126.127.255 | 512 | US |
allocated | 1994-12-29 | ce76cdc8b601… |
| 204.126.130.0 – 204.126.131.255 | 512 | US |
allocated | 1994-12-29 | 80191a333e77… |
| 204.126.132.0 – 204.126.133.255 | 512 | US |
allocated | 1994-12-29 | 123d88cbdba0… |
| 204.217.0.0 – 204.217.255.255 | 65,536 | US |
allocated | 1994-12-29 | 37fe01d6d027… |
| 204.87.144.0 – 204.87.144.255 | 256 | US |
allocated | 1994-12-28 | 336f8aa25fe0… |
| 204.87.145.0 – 204.87.145.255 | 256 | US |
allocated | 1994-12-28 | c6a524d6da4c… |
| 204.87.146.0 – 204.87.146.255 | 256 | US |
allocated | 1994-12-28 | 21342ea0632e… |
| 204.87.147.0 – 204.87.147.255 | 256 | US |
allocated | 1994-12-28 | 4d79d732d535… |
| 204.87.148.0 – 204.87.148.255 | 256 | US |
allocated | 1994-12-28 | afb3eb665071… |
| 204.124.216.0 – 204.124.217.255 | 512 | US |
allocated | 1994-12-28 | 5c63abc52863… |
| 204.124.218.0 – 204.124.218.255 | 256 | US |
allocated | 1994-12-28 | 5c63abc52863… |
| 204.124.220.0 – 204.124.223.255 | 1,024 | US |
allocated | 1994-12-28 | feef0e457f76… |
| 204.44.128.0 – 204.44.135.255 | 2,048 | US |
allocated | 1994-12-27 | 45fe880b68a8… |
| 204.44.136.0 – 204.44.137.255 | 512 | US |
allocated | 1994-12-27 | 45fe880b68a8… |
| 204.44.144.0 – 204.44.151.255 | 2,048 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.44.152.0 – 204.44.155.255 | 1,024 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.44.156.0 – 204.44.156.255 | 256 | US |
allocated | 1994-12-27 | adf4de259f91… |
| 204.86.232.0 – 204.86.239.255 | 2,048 | US |
allocated | 1994-12-27 | 8c9485eacaf3… |
| 204.86.240.0 – 204.86.247.255 | 2,048 | US |
allocated | 1994-12-27 | 8c9485eacaf3… |
| 204.87.137.0 – 204.87.137.255 | 256 | US |
allocated | 1994-12-27 | a5a943ac022c… |
| 204.87.138.0 – 204.87.138.255 | 256 | US |
allocated | 1994-12-27 | 9fa9d5694914… |
| 204.87.139.0 – 204.87.139.255 | 256 | US |
allocated | 1994-12-27 | bbb42fdee541… |
| 204.87.140.0 – 204.87.140.255 | 256 | US |
allocated | 1994-12-27 | 1d8822edf7bc… |
| 204.87.141.0 – 204.87.141.255 | 256 | US |
allocated | 1994-12-27 | 04baa7173c03… |
| 204.87.143.0 – 204.87.143.255 | 256 | US |
allocated | 1994-12-27 | 3d5770b46154… |
| 204.124.204.0 – 204.124.207.255 | 1,024 | US |
allocated | 1994-12-27 | b161b9219688… |
| 204.124.208.0 – 204.124.211.255 | 1,024 | US |
allocated | 1994-12-27 | 23f482c5068a… |
| 204.124.212.0 – 204.124.215.255 | 1,024 | US |
allocated | 1994-12-27 | 9a0c679c7007… |
| 204.126.122.0 – 204.126.123.255 | 512 | US |
allocated | 1994-12-27 | 33cc432ae8ec… |
| 204.126.124.0 – 204.126.125.255 | 512 | US |
allocated | 1994-12-27 | e44690aaa59b… |
| 204.137.64.0 – 204.137.127.255 | 16,384 | US |
allocated | 1994-12-23 | b13ec993891c… |
| 204.152.72.0 – 204.152.73.255 | 512 | US |
allocated | 1994-12-23 | 5cb40218a3e9… |
| 204.194.80.0 – 204.194.87.255 | 2,048 | US |
allocated | 1994-12-23 | a26dc4080309… |
| 204.194.88.0 – 204.194.95.255 | 2,048 | US |
allocated | 1994-12-23 | e2df7ef72fb6… |
| 204.194.96.0 – 204.194.103.255 | 2,048 | US |
allocated | 1994-12-23 | 921ca3bd9b94… |
| 204.128.132.0 – 204.128.132.255 | 256 | US |
allocated | 1994-12-22 | 155002e63573… |
| 204.128.134.0 – 204.128.134.255 | 256 | US |
allocated | 1994-12-22 | 6b75dc4e8d79… |
| 204.128.135.0 – 204.128.135.255 | 256 | US |
allocated | 1994-12-22 | 406e2eadbfff… |
| 204.128.136.0 – 204.128.136.255 | 256 | US |
allocated | 1994-12-22 | df6074982ac0… |
| 204.128.137.0 – 204.128.137.255 | 256 | US |
allocated | 1994-12-22 | 9c3b1c43836f… |
| 204.128.139.0 – 204.128.139.255 | 256 | US |
allocated | 1994-12-22 | e68253639054… |
| 204.128.140.0 – 204.128.140.255 | 256 | US |
allocated | 1994-12-22 | 503262811ac7… |
| 204.128.142.0 – 204.128.142.255 | 256 | US |
allocated | 1994-12-22 | fd6fba02f3a3… |
| 204.128.143.0 – 204.128.143.255 | 256 | US |
allocated | 1994-12-22 | ce2dd06cf098… |
| 204.152.70.0 – 204.152.71.255 | 512 | US |
allocated | 1994-12-22 | 7db84a6abbe3… |
| 204.194.72.0 – 204.194.79.255 | 2,048 | US |
allocated | 1994-12-22 | 826eff217725… |
| 204.193.192.0 – 204.193.223.255 | 8,192 | US |
allocated | 1994-12-21 | cdb7d42057bd… |
| 204.216.0.0 – 204.216.63.255 | 16,384 | US |
allocated | 1994-12-21 | 9837eb03cd74… |
| 204.216.64.0 – 204.216.95.255 | 8,192 | US |
allocated | 1994-12-21 | 9837eb03cd74… |
| 204.216.224.0 – 204.216.255.255 | 8,192 | US |
allocated | 1994-12-21 | 9837eb03cd74… |
| 204.128.128.0 – 204.128.128.255 | 256 | US |
allocated | 1994-12-20 | 5d3f26e11a66… |
| 204.128.129.0 – 204.128.129.255 | 256 | US |
allocated | 1994-12-20 | 3e0bd0d94e7f… |
| 204.128.131.0 – 204.128.131.255 | 256 | US |
allocated | 1994-12-20 | a20704083fc8… |
| 204.130.32.0 – 204.130.63.255 | 8,192 | US |
allocated | 1994-12-20 | d3529f254bc5… |
| 204.130.248.0 – 204.130.248.255 | 256 | US |
allocated | 1994-12-20 | 00f838dc1e06… |
| 204.130.249.0 – 204.130.249.255 | 256 | US |
allocated | 1994-12-20 | 45a0a723249e… |
| 204.130.250.0 – 204.130.250.255 | 256 | US |
allocated | 1994-12-20 | 8f098f8d5513… |
| 204.130.251.0 – 204.130.251.255 | 256 | US |
allocated | 1994-12-20 | 1ed3504f42e0… |
| 204.130.252.0 – 204.130.252.255 | 256 | US |
allocated | 1994-12-20 | 2690ff457e2f… |
| 204.130.253.0 – 204.130.253.255 | 256 | US |
allocated | 1994-12-20 | 22a5e06f2a18… |
| 204.130.254.0 – 204.130.254.255 | 256 | US |
allocated | 1994-12-20 | 547603aa56b6… |
| 204.130.255.0 – 204.130.255.255 | 256 | US |
allocated | 1994-12-20 | 07b4afc6ca39… |
| 204.136.64.0 – 204.136.127.255 | 16,384 | US |
allocated | 1994-12-20 | f5dadeafed98… |
| 204.193.160.0 – 204.193.191.255 | 8,192 | US |
allocated | 1994-12-20 | f35f3d727528… |
| 204.240.0.0 – 204.243.255.255 | 262,144 | US |
allocated | 1994-12-20 | 37fe01d6d027… |
| 204.79.201.0 – 204.79.201.255 | 256 | US |
allocated | 1994-12-19 | 8a995fa9268c… |
| 204.79.202.0 – 204.79.202.255 | 256 | US |
allocated | 1994-12-19 | c2b97a5108a8… |
| 204.79.203.0 – 204.79.203.255 | 256 | US |
allocated | 1994-12-19 | ace55d4dc090… |
| 204.79.204.0 – 204.79.204.255 | 256 |  BE |
allocated | 1994-12-19 | d78ad7148108… |
| 204.79.205.0 – 204.79.205.255 | 256 | US |
allocated | 1994-12-19 | ace55d4dc090… |
| 204.79.206.0 – 204.79.206.255 | 256 | US |
allocated | 1994-12-19 | ace55d4dc090… |
| 204.79.207.0 – 204.79.207.255 | 256 |  GB |
allocated | 1994-12-19 | fc4dd5f5b576… |
| 204.79.208.0 – 204.79.209.255 | 512 |  FR |
allocated | 1994-12-19 | e492162639e8… |
| 204.79.210.0 – 204.79.210.255 | 256 | FR |
allocated | 1994-12-19 | e492162639e8… |
| 204.79.211.0 – 204.79.211.255 | 256 | GB |
allocated | 1994-12-19 | 7980086fb8d9… |
| 204.79.212.0 – 204.79.212.255 | 256 | US |
allocated | 1994-12-19 | f9c1ec8ce366… |
| 204.79.213.0 – 204.79.213.255 | 256 | FR |
allocated | 1994-12-19 | f70bb8d1e58b… |
| 204.79.214.0 – 204.79.215.255 | 512 | FR |
allocated | 1994-12-19 | f70bb8d1e58b… |
| 204.79.218.0 – 204.79.218.255 | 256 |  JP |
allocated | 1994-12-19 | 03c5127ab525… |
| 204.79.219.0 – 204.79.219.255 | 256 |  NO |
allocated | 1994-12-19 | 6e9900858457… |
| 204.79.220.0 – 204.79.223.255 | 1,024 | US |
allocated | 1994-12-19 | bd74f8133913… |
| 204.79.224.0 – 204.79.225.255 | 512 |  CA |
allocated | 1994-12-19 | 68dce4650df3… |
| 204.79.228.0 – 204.79.228.255 | 256 | FR |
allocated | 1994-12-19 | 37b38374dd38… |
| 204.79.229.0 – 204.79.229.255 | 256 |  CH |
allocated | 1994-12-19 | 95b14eda17e0… |
| 204.79.231.0 – 204.79.231.255 | 256 | GB |
allocated | 1994-12-19 | 3a7c07f2b638… |