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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 216.82.176.0 – 216.82.191.255 | 4,096 |  US |
allocated | 2004-12-16 | 92847c100780… |
| 72.24.0.0 – 72.24.255.255 | 65,536 | US |
allocated | 2004-12-14 | af18a1eb1972… |
| 72.16.0.0 – 72.16.127.255 | 32,768 | US |
allocated | 2004-12-13 | 6c065d5b54b8… |
| 204.10.96.0 – 204.10.103.255 | 2,048 | US |
allocated | 2004-12-10 | bfd9bb2ba832… |
| 204.10.148.0 – 204.10.151.255 | 1,024 | US |
allocated | 2004-12-10 | ba7cb6727d21… |
| 204.10.136.0 – 204.10.143.255 | 2,048 | US |
allocated | 2004-12-09 | 84b1251f3230… |
| 204.10.144.0 – 204.10.147.255 | 1,024 | US |
allocated | 2004-12-09 | 09a753649d47… |
| 71.24.0.0 – 71.27.255.255 | 262,144 | US |
allocated | 2004-12-08 | 3a7b40ab58f6… |
| 72.19.192.0 – 72.19.255.255 | 16,384 | US |
allocated | 2004-12-08 | 8a9af80225d4… |
| 72.21.32.0 – 72.21.63.255 | 8,192 | US |
allocated | 2004-12-08 | 67ce42f5d914… |
| 204.10.128.0 – 204.10.131.255 | 1,024 | US |
allocated | 2004-12-08 | 2cd5fcb30974… |
| 206.41.144.0 – 206.41.159.255 | 4,096 | US |
allocated | 2004-12-08 | c2c562c4f400… |
| 206.125.208.0 – 206.125.223.255 | 4,096 | US |
allocated | 2004-12-08 | ec11830c4c67… |
| 72.23.0.0 – 72.23.255.255 | 65,536 | US |
allocated | 2004-12-06 | 635e221de053… |
| 72.21.8.0 – 72.21.9.255 | 512 | US |
allocated | 2004-12-03 | 2911dd1b758b… |
| 72.21.12.0 – 72.21.15.255 | 1,024 | US |
allocated | 2004-12-03 | 2911dd1b758b… |
| 72.21.20.0 – 72.21.20.255 | 256 | US |
allocated | 2004-12-03 | 2911dd1b758b… |
| 72.21.22.0 – 72.21.22.255 | 256 | US |
allocated | 2004-12-03 | 2911dd1b758b… |
| 216.49.208.0 – 216.49.223.255 | 4,096 | US |
allocated | 2004-12-03 | e674822ac75b… |
| 216.105.176.0 – 216.105.191.255 | 4,096 | US |
allocated | 2004-12-03 | 215eb8393a4a… |
| 72.18.224.0 – 72.18.255.255 | 8,192 | US |
allocated | 2004-12-02 | 7f75b8e6c16c… |
| 72.19.128.0 – 72.19.191.255 | 16,384 | US |
allocated | 2004-12-02 | d538268083a4… |
| 204.10.196.0 – 204.10.199.255 | 1,024 | US |
allocated | 2004-12-02 | 0fca664501b7… |
| 206.41.112.0 – 206.41.127.255 | 4,096 | US |
allocated | 2004-12-02 | f5b3e4757987… |
| 209.16.112.0 – 209.16.127.255 | 4,096 | US |
allocated | 2004-12-02 | de94a62ce8f9… |
| 72.19.64.0 – 72.19.127.255 | 16,384 | US |
allocated | 2004-12-01 | 8600d3e98608… |
| 72.8.0.0 – 72.8.63.255 | 16,384 | US |
allocated | 2004-11-30 | 6c065d5b54b8… |
| 72.18.160.0 – 72.18.191.255 | 8,192 | US |
allocated | 2004-11-30 | 61a18383a4ee… |
| 72.18.192.0 – 72.18.207.255 | 4,096 | US |
allocated | 2004-11-30 | bdc76f5d845b… |
| 206.83.16.0 – 206.83.31.255 | 4,096 | US |
allocated | 2004-11-30 | 38753105ac5b… |
| 207.126.144.0 – 207.126.159.255 | 4,096 | US |
allocated | 2004-11-30 | 4b60998be2f1… |
| 72.15.192.0 – 72.15.255.255 | 16,384 | US |
allocated | 2004-11-29 | 68ddf6a7f69b… |
| 72.18.128.0 – 72.18.159.255 | 8,192 | US |
allocated | 2004-11-29 | d1af1622e04e… |
| 204.10.216.0 – 204.10.223.255 | 2,048 | US |
allocated | 2004-11-29 | 5904c16a3024… |
| 206.53.144.0 – 206.53.159.255 | 4,096 |  CA |
allocated | 2004-11-29 | 81d84a66fa20… |
| 206.83.48.0 – 206.83.63.255 | 4,096 | US |
allocated | 2004-11-29 | 9d3c11115b56… |
| 206.253.144.0 – 206.253.159.255 | 4,096 | US |
allocated | 2004-11-29 | eaa4bb916340… |
| 72.15.144.0 – 72.15.159.255 | 4,096 | CA |
allocated | 2004-11-24 | 449259d9b4ce… |
| 72.18.96.0 – 72.18.111.255 | 4,096 | US |
allocated | 2004-11-23 | cb23b62f4037… |
| 206.41.48.0 – 206.41.63.255 | 4,096 | US |
allocated | 2004-11-22 | 92921d25e3ea… |
| 72.15.64.0 – 72.15.127.255 | 16,384 | US |
allocated | 2004-11-19 | e9f843549cbf… |
| 72.18.32.0 – 72.18.47.255 | 4,096 | US |
allocated | 2004-11-19 | 928ab51b355d… |
| 72.18.0.0 – 72.18.31.255 | 8,192 | US |
allocated | 2004-11-18 | f81d9edf6843… |
| 204.10.200.0 – 204.10.207.255 | 2,048 | CA |
allocated | 2004-11-18 | 5403aa050bcc… |
| 204.10.244.0 – 204.10.247.255 | 1,024 | US |
allocated | 2004-11-18 | 6bbec5f9d067… |
| 206.183.176.0 – 206.183.191.255 | 4,096 | US |
allocated | 2004-11-18 | acefdf74cbbe… |
| 72.4.128.0 – 72.4.159.255 | 8,192 | US |
allocated | 2004-11-17 | f9107f6aa386… |
| 72.4.160.0 – 72.4.175.255 | 4,096 | US |
allocated | 2004-11-17 | f9107f6aa386… |
| 72.13.160.0 – 72.13.191.255 | 8,192 | CA |
allocated | 2004-11-17 | aa1284f96cc4… |
| 72.13.192.0 – 72.13.207.255 | 4,096 | US |
allocated | 2004-11-16 | 15b8a461947c… |
| 72.13.224.0 – 72.13.255.255 | 8,192 | US |
allocated | 2004-11-16 | a7f7463af3d3… |
| 72.15.0.0 – 72.15.31.255 | 8,192 | US |
allocated | 2004-11-16 | f57036a35d7c… |
| 207.231.112.0 – 207.231.127.255 | 4,096 | US |
allocated | 2004-11-16 | 87eb587d5575… |
| 72.13.128.0 – 72.13.159.255 | 8,192 | US |
allocated | 2004-11-12 | feae0c5faca3… |
| 204.10.240.0 – 204.10.243.255 | 1,024 | CA |
allocated | 2004-11-12 | f8447314fcbe… |
| 72.13.96.0 – 72.13.111.255 | 4,096 | US |
allocated | 2004-11-11 | 6c9fbbc78a24… |
| 72.14.128.0 – 72.14.159.255 | 8,192 | US |
allocated | 2004-11-10 | 6442f73ea58e… |
| 72.14.192.0 – 72.14.255.255 | 16,384 | US |
allocated | 2004-11-10 | 9d99e3f7d38d… |
| 206.71.16.0 – 206.71.31.255 | 4,096 | US |
allocated | 2004-11-10 | d3529f254bc5… |
| 206.80.240.0 – 206.80.255.255 | 4,096 | CA |
allocated | 2004-11-10 | 9f2122981d76… |
| 71.240.0.0 – 71.240.255.255 | 65,536 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.241.0.0 – 71.241.127.255 | 32,768 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.241.128.0 – 71.241.143.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.241.144.0 – 71.241.159.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.241.160.0 – 71.241.191.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.241.192.0 – 71.241.223.255 | 8,192 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.241.224.0 – 71.241.255.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.242.0.0 – 71.243.255.255 | 131,072 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.244.0.0 – 71.247.255.255 | 262,144 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.248.0.0 – 71.251.255.255 | 262,144 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.252.0.0 – 71.253.255.255 | 131,072 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.0.0 – 71.254.15.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.254.16.0 – 71.254.31.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.32.0 – 71.254.63.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.64.0 – 71.254.95.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.96.0 – 71.254.111.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.254.112.0 – 71.254.127.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.128.0 – 71.254.255.255 | 32,768 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.0.0 – 71.255.63.255 | 16,384 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.64.0 – 71.255.95.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.96.0 – 71.255.111.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.112.0 – 71.255.127.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.255.128.0 – 71.255.159.255 | 8,192 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.255.160.0 – 71.255.191.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.192.0 – 71.255.255.255 | 16,384 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 72.6.0.0 – 72.7.255.255 | 131,072 | US |
allocated | 2004-11-09 | c4fef8e680d3… |
| 204.10.224.0 – 204.10.227.255 | 1,024 | US |
allocated | 2004-11-09 | 2474905fa4b2… |
| 204.9.248.0 – 204.9.255.255 | 2,048 | US |
allocated | 2004-11-08 | b90cc9a4763f… |
| 72.13.64.0 – 72.13.79.255 | 4,096 | US |
allocated | 2004-11-05 | 3897697b6690… |
| 72.14.64.0 – 72.14.67.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.68.0 – 72.14.69.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.72.0 – 72.14.79.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.80.0 – 72.14.87.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.88.0 – 72.14.91.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.96.0 – 72.14.97.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.100.0 – 72.14.103.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.104.0 – 72.14.111.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.117.0 – 72.14.117.255 | 256 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.118.0 – 72.14.119.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.121.0 – 72.14.121.255 | 256 | US |
allocated | 2004-11-05 | 4508744acac3… |