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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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 | 18204185d319… |
| 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… |
| 208.65.128.0 – 208.65.131.255 | 1,024 | US |
allocated | 2006-02-27 | 5e4c24c39dc4… |
| 208.65.132.0 – 208.65.135.255 | 1,024 | US |
allocated | 2006-02-27 | a0bd2e03d9a7… |
| 208.65.136.0 – 208.65.143.255 | 2,048 | US |
allocated | 2006-02-27 | 078f0b909c8c… |
| 208.100.128.0 – 208.100.191.255 | 16,384 | US |
allocated | 2006-02-27 | b473330fef07… |
| 66.228.112.0 – 66.228.127.255 | 4,096 | US |
allocated | 2006-02-24 | 5dba07179e25… |
| 208.100.64.0 – 208.100.127.255 | 16,384 | US |
allocated | 2006-02-23 | a799b2d08c1a… |
| 72.12.224.0 – 72.12.239.255 | 4,096 | US |
allocated | 2006-02-22 | 8300bbb71e8a… |
| 72.12.96.0 – 72.12.111.255 | 4,096 | CA |
allocated | 2006-02-21 | 739053b97948… |
| 208.65.124.0 – 208.65.127.255 | 1,024 | US |
allocated | 2006-02-21 | 289af0039cc4… |
| 74.54.0.0 – 74.55.255.255 | 131,072 | US |
allocated | 2006-02-17 | 5dba07179e25… |
| 208.65.116.0 – 208.65.119.255 | 1,024 | US |
allocated | 2006-02-17 | 1540c5fa1532… |
| 208.65.120.0 – 208.65.123.255 | 1,024 | US |
allocated | 2006-02-17 | 12c8fbee5b26… |
| 208.100.0.0 – 208.100.63.255 | 16,384 | US |
allocated | 2006-02-17 | 75c30a4450cb… |
| 66.228.16.0 – 66.228.31.255 | 4,096 | US |
allocated | 2006-02-16 | 788eb45c9eb5… |
| 72.11.224.0 – 72.11.255.255 | 8,192 | US |
allocated | 2006-02-16 | 8cd75c33d83b… |
| 71.19.0.0 – 71.19.127.255 | 32,768 | CA |
allocated | 2006-02-15 | dcd08486c35a… |
| 208.65.112.0 – 208.65.115.255 | 1,024 | US |
allocated | 2006-02-15 | 4227cbb93ddf… |
| 72.11.32.0 – 72.11.63.255 | 8,192 | US |
allocated | 2006-02-14 | ae43a4dd7f0d… |
| 72.11.160.0 – 72.11.191.255 | 8,192 | CA |
allocated | 2006-02-14 | df04ba7e5e16… |
| 208.65.92.0 – 208.65.95.255 | 1,024 | US |
allocated | 2006-02-14 | c90de159a7ad… |
| 208.65.96.0 – 208.65.99.255 | 1,024 | US |
allocated | 2006-02-14 | 2bedac8eda6f… |
| 208.99.64.0 – 208.99.95.255 | 8,192 | US |
allocated | 2006-02-14 | 9d135eb38a45… |
| 208.99.128.0 – 208.99.159.255 | 8,192 | CA |
allocated | 2006-02-14 | 6b1704e70ee9… |
| 72.2.224.0 – 72.2.239.255 | 4,096 | US |
allocated | 2006-02-13 | dca2ce6acaa2… |
| 74.6.0.0 – 74.6.255.255 | 65,536 | US |
allocated | 2006-02-13 | c2dfb9e7c865… |
| 64.46.0.0 – 64.46.31.255 | 8,192 | CA |
allocated | 2006-02-10 | f6b965c213cd… |
| 64.46.32.0 – 64.46.63.255 | 8,192 | CA |
allocated | 2006-02-10 | 449259d9b4ce… |
| 64.72.176.0 – 64.72.191.255 | 4,096 | US |
allocated | 2006-02-10 | 021385bf34d9… |
| 71.7.128.0 – 71.7.255.255 | 32,768 | CA |
allocated | 2006-02-10 | 0bdb9de83224… |
| 208.98.192.0 – 208.98.207.255 | 4,096 | CA |
allocated | 2006-02-10 | f6378853cc62… |
| 208.98.208.0 – 208.98.215.255 | 2,048 | CA |
allocated | 2006-02-10 | f6378853cc62… |
| 208.98.216.0 – 208.98.219.255 | 1,024 | CA |
allocated | 2006-02-10 | f6378853cc62… |
| 208.98.220.0 – 208.98.221.255 | 512 | CA |
allocated | 2006-02-10 | f6378853cc62… |
| 208.98.222.0 – 208.98.223.255 | 512 | CA |
allocated | 2006-02-10 | eb5a56b49389… |
| 64.255.64.0 – 64.255.79.255 | 4,096 | US |
allocated | 2006-02-09 | d92e97764622… |
| 72.2.96.0 – 72.2.111.255 | 4,096 | US |
allocated | 2006-02-09 | 5110fc11717b… |
| 72.2.160.0 – 72.2.175.255 | 4,096 | US |
allocated | 2006-02-09 | d538268083a4… |
| 74.48.0.0 – 74.48.255.255 | 65,536 | CA |
allocated | 2006-02-09 | 0e702695cc8d… |