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
1,644,591,360
📦
IPv4 networks
76,802
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 |
|---|---|---|---|---|---|
| 66.7.112.0 – 66.7.127.255 | 4,096 |  US |
allocated | 2006-03-21 | e962fe5a2f86… |
| 66.218.144.0 – 66.218.159.255 | 4,096 | US |
allocated | 2006-03-21 | 41e3bae09a9c… |
| 72.26.224.0 – 72.26.239.255 | 4,096 | US |
allocated | 2006-03-21 | 6654f593f77a… |
| 208.65.254.0 – 208.65.254.255 | 256 | US |
allocated | 2006-03-21 | 4c330ba3b547… |
| 208.66.0.0 – 208.66.3.255 | 1,024 |  CA |
allocated | 2006-03-21 | 449259d9b4ce… |
| 208.66.8.0 – 208.66.15.255 | 2,048 | US |
allocated | 2006-03-21 | d538268083a4… |
| 208.106.0.0 – 208.106.127.255 | 32,768 | US |
allocated | 2006-03-21 | 382ccf1a9d45… |
| 69.5.96.0 – 69.5.111.255 | 4,096 | US |
allocated | 2006-03-20 | 05d4a857df34… |
| 208.65.240.0 – 208.65.247.255 | 2,048 | CA |
allocated | 2006-03-20 | c2852f1df4b3… |
| 208.65.248.0 – 208.65.251.255 | 1,024 | US |
allocated | 2006-03-20 | a781eecba28e… |
| 216.186.128.0 – 216.186.159.255 | 8,192 | US |
allocated | 2006-03-20 | e9f843549cbf… |
| 216.186.160.0 – 216.186.160.255 | 256 | US |
allocated | 2006-03-20 | 8e96b9b26ba0… |
| 216.186.161.0 – 216.186.161.255 | 256 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.162.0 – 216.186.163.255 | 512 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.165.0 – 216.186.165.255 | 256 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.166.0 – 216.186.167.255 | 512 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.168.0 – 216.186.175.255 | 2,048 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.176.0 – 216.186.179.255 | 1,024 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.181.0 – 216.186.181.255 | 256 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.182.0 – 216.186.183.255 | 512 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.184.0 – 216.186.191.255 | 2,048 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 216.186.192.0 – 216.186.255.255 | 16,384 | US |
allocated | 2006-03-20 | 98e6c615fd07… |
| 72.26.96.0 – 72.26.127.255 | 8,192 | US |
allocated | 2006-03-17 | 28f2d37d052b… |
| 208.65.236.0 – 208.65.239.255 | 1,024 | US |
allocated | 2006-03-17 | 9811ad857e6a… |
| 208.110.64.0 – 208.110.95.255 | 8,192 | US |
allocated | 2006-03-17 | 52fcdcfbb271… |
| 66.163.80.0 – 66.163.95.255 | 4,096 | US |
allocated | 2006-03-16 | f01f497d68e6… |
| 208.110.0.0 – 208.110.31.255 | 8,192 | US |
allocated | 2006-03-16 | 2eb271d6c28f… |
| 66.181.112.0 – 66.181.127.255 | 4,096 | US |
allocated | 2006-03-15 | f66c428a4ea9… |
| 66.207.50.0 – 66.207.51.255 | 512 | US |
allocated | 2006-03-15 | 5fd778e73004… |
| 66.207.52.0 – 66.207.55.255 | 1,024 | US |
allocated | 2006-03-15 | 5fd778e73004… |
| 66.207.56.0 – 66.207.59.255 | 1,024 | US |
allocated | 2006-03-15 | 5fd778e73004… |
| 66.207.63.0 – 66.207.63.255 | 256 | US |
allocated | 2006-03-15 | 5fd778e73004… |
| 208.65.220.0 – 208.65.223.255 | 1,024 | US |
allocated | 2006-03-15 | 57df71b7c8f4… |
| 208.101.192.0 – 208.101.199.255 | 2,048 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.200.0 – 208.101.203.255 | 1,024 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.204.0 – 208.101.204.255 | 256 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.207.0 – 208.101.207.255 | 256 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.208.0 – 208.101.209.255 | 512 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.212.0 – 208.101.215.255 | 1,024 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.216.0 – 208.101.223.255 | 2,048 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.226.0 – 208.101.227.255 | 512 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.228.0 – 208.101.229.255 | 512 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.234.0 – 208.101.235.255 | 512 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 208.101.236.0 – 208.101.239.255 | 1,024 | US |
allocated | 2006-03-15 | 4508744acac3… |
| 66.242.112.0 – 66.242.127.255 | 4,096 | US |
allocated | 2006-03-14 | 149d19b702a8… |
| 66.242.176.0 – 66.242.191.255 | 4,096 | US |
allocated | 2006-03-14 | 7fe05e01e47e… |
| 208.65.204.0 – 208.65.207.255 | 1,024 | US |
allocated | 2006-03-14 | 83854d7c3601… |
| 208.65.208.0 – 208.65.215.255 | 2,048 | US |
allocated | 2006-03-14 | 98328a9c8c14… |
| 208.65.216.0 – 208.65.219.255 | 1,024 | US |
allocated | 2006-03-14 | a862f89f1015… |
| 208.65.224.0 – 208.65.231.255 | 2,048 | US |
allocated | 2006-03-14 | faa8b43fdf3e… |
| 208.101.64.0 – 208.101.127.255 | 16,384 | CA |
allocated | 2006-03-14 | 7de51f8320f6… |
| 208.101.128.0 – 208.101.191.255 | 16,384 | US |
allocated | 2006-03-14 | 6c065d5b54b8… |
| 72.20.160.0 – 72.20.175.255 | 4,096 | US |
allocated | 2006-03-13 | edf5fb4199be… |
| 72.26.32.0 – 72.26.63.255 | 8,192 | US |
allocated | 2006-03-13 | 50ed40f7fe07… |
| 208.65.200.0 – 208.65.203.255 | 1,024 | US |
allocated | 2006-03-13 | d831be35eff0… |
| 66.242.16.0 – 66.242.31.255 | 4,096 | US |
allocated | 2006-03-10 | ec11830c4c67… |
| 208.101.0.0 – 208.101.63.255 | 16,384 | US |
allocated | 2006-03-10 | 5dba07179e25… |
| 208.65.160.0 – 208.65.167.255 | 2,048 | US |
allocated | 2006-03-09 | f66c428a4ea9… |
| 208.65.192.0 – 208.65.199.255 | 2,048 | US |
allocated | 2006-03-09 | 08207d851e77… |
| 66.234.112.0 – 66.234.127.255 | 4,096 | US |
allocated | 2006-03-08 | acefdf74cbbe… |
| 66.207.144.0 – 66.207.159.255 | 4,096 | US |
allocated | 2006-03-07 | 4a587b7750b8… |
| 72.20.96.0 – 72.20.127.255 | 8,192 | US |
allocated | 2006-03-07 | 0e660f095dee… |
| 208.65.180.0 – 208.65.183.255 | 1,024 | US |
allocated | 2006-03-07 | 55f7c47cb78c… |
| 208.65.172.0 – 208.65.175.255 | 1,024 | US |
allocated | 2006-03-06 | fa8f0f2ab343… |
| 208.65.176.0 – 208.65.179.255 | 1,024 | US |
allocated | 2006-03-06 | 25abf57f3a23… |
| 208.65.184.0 – 208.65.191.255 | 2,048 | US |
allocated | 2006-03-06 | b809f80ec9cb… |
| 72.15.32.0 – 72.15.47.255 | 4,096 | US |
allocated | 2006-03-03 | e220ed812a4c… |
| 72.19.32.0 – 72.19.63.255 | 8,192 | US |
allocated | 2006-03-03 | d3848088c3d8… |
| 208.104.0.0 – 208.104.255.255 | 65,536 | US |
allocated | 2006-03-03 | 4ff53411e98a… |
| 64.40.208.0 – 64.40.223.255 | 4,096 | US |
allocated | 2006-03-02 | e191e82f292a… |
| 74.56.0.0 – 74.59.255.255 | 262,144 | CA |
allocated | 2006-03-02 | eb5a56b49389… |
| 208.65.144.0 – 208.65.151.255 | 2,048 | US |
allocated | 2006-03-02 | c94fc17aecf9… |
| 208.65.152.0 – 208.65.155.255 | 1,024 | US |
allocated | 2006-03-02 | 13db97f091ad… |
| 208.65.156.0 – 208.65.159.255 | 1,024 | US |
allocated | 2006-03-02 | 35d069cb49b8… |
| 216.105.64.0 – 216.105.79.255 | 4,096 | US |
allocated | 2006-03-02 | 23bf524dea12… |
| 208.102.0.0 – 208.102.255.255 | 65,536 | US |
allocated | 2006-03-01 | da30a61dbdb2… |
| 66.233.0.0 – 66.233.255.255 | 65,536 | US |
allocated | 2006-02-28 | c4fef8e680d3… |
| 72.14.160.0 – 72.14.175.255 | 4,096 | CA |
allocated | 2006-02-28 | 0042cdeb1e05… |
| 75.0.0.0 – 75.1.255.255 | 131,072 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.2.192.0 – 75.2.255.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.3.64.0 – 75.3.127.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.3.192.0 – 75.3.255.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.4.0.0 – 75.7.255.255 | 262,144 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.8.0.0 – 75.15.255.255 | 524,288 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.16.0.0 – 75.19.255.255 | 262,144 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.20.0.0 – 75.21.255.255 | 131,072 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.22.0.0 – 75.22.127.255 | 32,768 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.22.128.0 – 75.22.191.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.23.0.0 – 75.23.255.255 | 65,536 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.24.0.0 – 75.31.255.255 | 524,288 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.32.0.0 – 75.39.255.255 | 524,288 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.40.0.0 – 75.43.255.255 | 262,144 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.44.0.0 – 75.44.255.255 | 65,536 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.45.0.0 – 75.45.127.255 | 32,768 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.45.192.0 – 75.45.255.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.46.0.0 – 75.46.255.255 | 65,536 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.47.64.0 – 75.47.127.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.47.192.0 – 75.47.255.255 | 16,384 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 75.48.0.0 – 75.63.255.255 | 1,048,576 | US |
allocated | 2006-02-28 | 81e05477cc28… |
| 72.14.32.0 – 72.14.63.255 | 8,192 | US |
allocated | 2006-02-27 | d9f6aa3ab689… |