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 |
|---|---|---|---|---|---|
| 204.87.139.0 – 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… |
| 204.79.231.0 – 204.79.231.255 | 256 | GB |
allocated | 1994-12-19 | 3a7c07f2b638… |
| 204.79.232.0 – 204.79.233.255 | 512 | NO |
allocated | 1994-12-19 | 250ec6f40771… |
| 204.79.234.0 – 204.79.234.255 | 256 | NO |
allocated | 1994-12-19 | 250ec6f40771… |
| 204.79.235.0 – 204.79.235.255 | 256 |  DE |
allocated | 1994-12-19 | 990a9d23a74c… |
| 204.79.236.0 – 204.79.236.255 | 256 | DE |
allocated | 1994-12-19 | 990a9d23a74c… |
| 204.79.237.0 – 204.79.237.255 | 256 | US |
allocated | 1994-12-19 | a32ec2425fc6… |
| 204.79.238.0 – 204.79.239.255 | 512 | US |
allocated | 1994-12-19 | a32ec2425fc6… |
| 204.79.240.0 – 204.79.240.255 | 256 |  IT |
allocated | 1994-12-19 | 78c5f249cbb4… |
| 204.79.241.0 – 204.79.241.255 | 256 | DE |
allocated | 1994-12-19 | bb427381bb34… |
| 204.79.242.0 – 204.79.242.255 | 256 | DE |
allocated | 1994-12-19 | bb427381bb34… |
| 204.79.243.0 – 204.79.243.255 | 256 | US |
allocated | 1994-12-19 | ace55d4dc090… |
| 204.79.244.0 – 204.79.245.255 | 512 | CA |
allocated | 1994-12-19 | 88986f88da58… |
| 204.79.252.0 – 204.79.252.255 | 256 | US |
allocated | 1994-12-19 | b004b3ecde24… |
| 204.79.253.0 – 204.79.253.255 | 256 |  NL |
allocated | 1994-12-19 | 10dfdb4e3f1d… |
| 204.79.254.0 – 204.79.255.255 | 512 | NL |
allocated | 1994-12-19 | 10dfdb4e3f1d… |
| 204.130.245.0 – 204.130.245.255 | 256 | US |
allocated | 1994-12-19 | e58a1b00942e… |
| 204.130.246.0 – 204.130.246.255 | 256 | US |
allocated | 1994-12-19 | b4bdedf91b3e… |
| 204.130.247.0 – 204.130.247.255 | 256 | US |
allocated | 1994-12-19 | 0418d3fd070a… |
| 204.152.68.0 – 204.152.69.255 | 512 | US |
allocated | 1994-12-19 | e66b59897071… |
| 204.153.164.0 – 204.153.167.255 | 1,024 | US |
allocated | 1994-12-19 | 2f44b445d54c… |
| 204.153.168.0 – 204.153.171.255 | 1,024 | US |
allocated | 1994-12-19 | 269ef02cefeb… |
| 204.194.56.0 – 204.194.63.255 | 2,048 | US |
allocated | 1994-12-19 | dde079714c56… |
| 204.194.64.0 – 204.194.71.255 | 2,048 | US |
allocated | 1994-12-19 | 0775d7074d18… |
| 204.76.144.0 – 204.76.151.255 | 2,048 | US |
allocated | 1994-12-16 | cb4ef9990037… |
| 204.86.200.0 – 204.86.207.255 | 2,048 | US |
allocated | 1994-12-16 | aa98990f4bdb… |
| 204.86.208.0 – 204.86.215.255 | 2,048 | US |
allocated | 1994-12-16 | aa98990f4bdb… |
| 204.87.132.0 – 204.87.132.255 | 256 | US |
allocated | 1994-12-16 | 08f0d5f2f5d5… |
| 204.87.133.0 – 204.87.133.255 | 256 | US |
allocated | 1994-12-16 | cee55468bf7b… |
| 204.87.134.0 – 204.87.134.255 | 256 | US |
allocated | 1994-12-16 | 866ebb86cfd0… |
| 204.126.118.0 – 204.126.118.255 | 256 | US |
allocated | 1994-12-16 | 7427d76727e8… |
| 204.130.243.0 – 204.130.243.255 | 256 | US |
allocated | 1994-12-16 | 37fe01d6d027… |
| 169.154.0.0 – 169.154.255.255 | 65,536 | US |
allocated | 1994-12-15 | 2d90cbf4f78e… |
| 204.61.96.0 – 204.61.127.255 | 8,192 | US |
allocated | 1994-12-15 | 72890515d12c… |
| 204.61.128.0 – 204.61.159.255 | 8,192 | US |
allocated | 1994-12-15 | 72890515d12c… |
| 204.76.136.0 – 204.76.143.255 | 2,048 | US |
allocated | 1994-12-15 | 72890515d12c… |
| 204.79.194.0 – 204.79.194.255 | 256 | GB |
allocated | 1994-12-15 | b50c10e82e3b… |
| 204.79.195.0 – 204.79.195.255 | 256 | US |
allocated | 1994-12-15 | b004b3ecde24… |
| 204.79.196.0 – 204.79.197.255 | 512 | US |
allocated | 1994-12-15 | b004b3ecde24… |