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
1,645,647,872
📦
IPv4 networks
76,740
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,065
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.99.0.0 – 66.99.255.255 | 65,536 |  US |
allocated | 2001-04-09 | 3b3409744e54… |
| 66.100.0.0 – 66.101.255.255 | 131,072 | US |
allocated | 2001-04-09 | cdb7d42057bd… |
| 66.104.0.0 – 66.107.255.255 | 262,144 | US |
allocated | 2001-04-09 | e220ed812a4c… |
| 207.115.96.0 – 207.115.111.255 | 4,096 |  CA |
allocated | 2001-04-06 | a2e1bb6f40a4… |
| 207.232.96.0 – 207.232.127.255 | 8,192 | CA |
allocated | 2001-04-06 | 9086ea447d65… |
| 207.241.240.0 – 207.241.255.255 | 4,096 | US |
allocated | 2001-04-06 | ff215205956d… |
| 209.164.224.0 – 209.164.255.255 | 8,192 | US |
allocated | 2001-04-06 | 0c607a7dbe13… |
| 65.42.0.0 – 65.43.255.255 | 131,072 | US |
allocated | 2001-04-05 | 81e05477cc28… |
| 66.94.0.0 – 66.94.31.255 | 8,192 | US |
allocated | 2001-04-05 | c4fef8e680d3… |
| 66.96.64.0 – 66.96.79.255 | 4,096 | US |
allocated | 2001-04-05 | 2bf18634ffea… |
| 66.97.0.0 – 66.97.15.255 | 4,096 | US |
allocated | 2001-04-05 | 760ea80a1411… |
| 66.96.32.0 – 66.96.63.255 | 8,192 | US |
allocated | 2001-04-04 | 3196899e5842… |
| 66.96.128.0 – 66.96.191.255 | 16,384 | US |
allocated | 2001-04-03 | ec11830c4c67… |
| 209.163.104.0 – 209.163.104.255 | 256 | US |
allocated | 2001-04-03 | 83bd407dcd00… |
| 209.163.108.0 – 209.163.109.255 | 512 | US |
allocated | 2001-04-03 | 83bd407dcd00… |
| 209.163.113.0 – 209.163.113.255 | 256 | US |
allocated | 2001-04-03 | 83bd407dcd00… |
| 66.95.0.0 – 66.95.255.255 | 65,536 | US |
allocated | 2001-03-30 | a7f7463af3d3… |
| 206.131.208.0 – 206.131.223.255 | 4,096 | US |
allocated | 2001-03-30 | 9a0bd905c377… |
| 209.137.192.0 – 209.137.195.255 | 1,024 | US |
allocated | 2001-03-30 | baa714fc231c… |
| 209.137.196.0 – 209.137.199.255 | 1,024 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.200.0 – 209.137.201.255 | 512 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.202.0 – 209.137.202.255 | 256 | US |
allocated | 2001-03-30 | baa714fc231c… |
| 209.137.203.0 – 209.137.203.255 | 256 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.204.0 – 209.137.207.255 | 1,024 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.208.0 – 209.137.208.255 | 256 | US |
allocated | 2001-03-30 | baa714fc231c… |
| 209.137.209.0 – 209.137.209.255 | 256 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.210.0 – 209.137.211.255 | 512 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.212.0 – 209.137.215.255 | 1,024 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.216.0 – 209.137.219.255 | 1,024 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 209.137.220.0 – 209.137.221.255 | 512 | US |
allocated | 2001-03-30 | baa714fc231c… |
| 209.137.222.0 – 209.137.223.255 | 512 | US |
allocated | 2001-03-30 | 6699d4c582a3… |
| 66.90.128.0 – 66.90.255.255 | 32,768 | US |
allocated | 2001-03-29 | 3f8994903990… |
| 66.91.0.0 – 66.91.255.255 | 65,536 | US |
allocated | 2001-03-29 | d2fc8fbc818f… |
| 209.131.224.0 – 209.131.231.255 | 2,048 | US |
allocated | 2001-03-29 | a6d8e7af8b04… |
| 64.22.192.0 – 64.22.223.255 | 8,192 | US |
allocated | 2001-03-28 | f5f7b3f4a69d… |
| 66.92.0.0 – 66.93.255.255 | 131,072 | US |
allocated | 2001-03-28 | a7f7463af3d3… |
| 209.112.96.0 – 209.112.96.255 | 256 | US |
allocated | 2001-03-28 | e39ba940ed98… |
| 216.27.192.0 – 216.27.255.255 | 16,384 | US |
allocated | 2001-03-28 | c1cc92c83435… |
| 64.49.192.0 – 64.49.255.255 | 16,384 | US |
allocated | 2001-03-27 | c66e83fbb76c… |
| 66.87.0.0 – 66.87.255.255 | 65,536 | US |
allocated | 2001-03-27 | c4fef8e680d3… |
| 66.90.0.0 – 66.90.63.255 | 16,384 | US |
allocated | 2001-03-27 | 279711de0a07… |
| 66.88.0.0 – 66.89.255.255 | 131,072 | US |
allocated | 2001-03-26 | e220ed812a4c… |
| 66.86.0.0 – 66.86.255.255 | 65,536 | US |
allocated | 2001-03-23 | cdb7d42057bd… |
| 207.178.96.0 – 207.178.127.255 | 8,192 | US |
allocated | 2001-03-23 | 6699d4c582a3… |
| 209.97.96.0 – 209.97.111.255 | 4,096 | US |
allocated | 2001-03-23 | e220ed812a4c… |
| 209.124.96.0 – 209.124.127.255 | 8,192 | US |
allocated | 2001-03-23 | bb89d026953a… |
| 207.54.96.0 – 207.54.111.255 | 4,096 | CA |
allocated | 2001-03-22 | fbf5a5883b54… |
| 207.54.112.0 – 207.54.119.255 | 2,048 | CA |
allocated | 2001-03-22 | fbf5a5883b54… |
| 207.54.120.0 – 207.54.123.255 | 1,024 | CA |
allocated | 2001-03-22 | fbf5a5883b54… |
| 207.54.124.0 – 207.54.125.255 | 512 | CA |
allocated | 2001-03-22 | fbf5a5883b54… |
| 207.54.126.0 – 207.54.126.255 | 256 | CA |
allocated | 2001-03-22 | 449259d9b4ce… |
| 207.54.127.0 – 207.54.127.255 | 256 | CA |
allocated | 2001-03-22 | fbf5a5883b54… |
| 207.241.208.0 – 207.241.223.255 | 4,096 | US |
allocated | 2001-03-21 | bed33fb492aa… |
| 208.38.64.0 – 208.38.127.255 | 16,384 | US |
allocated | 2001-03-21 | 6c065d5b54b8… |
| 209.81.96.0 – 209.81.127.255 | 8,192 | US |
allocated | 2001-03-21 | 021385bf34d9… |
| 209.173.48.0 – 209.173.55.255 | 2,048 | US |
allocated | 2001-03-21 | 0485e2acb34c… |
| 209.173.56.0 – 209.173.57.255 | 512 | US |
allocated | 2001-03-21 | 0485e2acb34c… |
| 209.173.58.0 – 209.173.58.255 | 256 | US |
allocated | 2001-03-21 | d46edd86fd49… |
| 209.173.59.0 – 209.173.59.255 | 256 | US |
allocated | 2001-03-21 | 0485e2acb34c… |
| 209.173.60.0 – 209.173.63.255 | 1,024 | US |
allocated | 2001-03-21 | 0485e2acb34c… |
| 209.188.96.0 – 209.188.97.255 | 512 | US |
allocated | 2001-03-21 | a672df789f70… |
| 209.188.100.0 – 209.188.100.255 | 256 | US |
allocated | 2001-03-21 | a672df789f70… |
| 209.188.104.0 – 209.188.105.255 | 512 | US |
allocated | 2001-03-21 | a672df789f70… |
| 209.188.111.0 – 209.188.111.255 | 256 | US |
allocated | 2001-03-21 | a672df789f70… |
| 64.4.100.0 – 64.4.103.255 | 1,024 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.104.0 – 64.4.107.255 | 1,024 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.108.0 – 64.4.108.255 | 256 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.112.0 – 64.4.113.255 | 512 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.114.0 – 64.4.114.255 | 256 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.117.0 – 64.4.117.255 | 256 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.118.0 – 64.4.119.255 | 512 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.120.0 – 64.4.120.255 | 256 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.122.0 – 64.4.123.255 | 512 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.124.0 – 64.4.124.255 | 256 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 64.4.126.0 – 64.4.127.255 | 512 | US |
allocated | 2001-03-20 | 6f1ca564de76… |
| 66.84.0.0 – 66.84.63.255 | 16,384 | US |
allocated | 2001-03-20 | a6b65597e29a… |
| 66.84.128.0 – 66.84.255.255 | 32,768 | US |
allocated | 2001-03-20 | 6c065d5b54b8… |
| 216.65.208.0 – 216.65.223.255 | 4,096 | US |
allocated | 2001-03-19 | 81e05477cc28… |
| 216.110.128.0 – 216.110.159.255 | 8,192 | US |
allocated | 2001-03-16 | f9107f6aa386… |
| 209.107.96.0 – 209.107.127.255 | 8,192 | CA |
allocated | 2001-03-15 | 0e702695cc8d… |
| 206.40.176.0 – 206.40.191.255 | 4,096 | US |
allocated | 2001-03-14 | 90f78bb00287… |
| 206.180.160.0 – 206.180.191.255 | 8,192 | US |
allocated | 2001-03-14 | 7700d2c29736… |
| 209.18.32.0 – 209.18.47.255 | 4,096 | US |
allocated | 2001-03-14 | d2fc8fbc818f… |
| 216.65.192.0 – 216.65.207.255 | 4,096 | US |
allocated | 2001-03-14 | 81e05477cc28… |
| 208.38.128.0 – 208.38.191.255 | 16,384 | US |
allocated | 2001-03-13 | 65bf32d2bf46… |
| 209.242.224.0 – 209.242.239.255 | 4,096 | US |
allocated | 2001-03-13 | f75bc3e6eace… |
| 209.222.32.0 – 209.222.47.255 | 4,096 | US |
allocated | 2001-03-12 | 02a49440279e… |
| 209.222.224.0 – 209.222.239.255 | 4,096 | CA |
allocated | 2001-03-12 | d230ccaa82cf… |
| 216.130.160.0 – 216.130.191.255 | 8,192 | US |
allocated | 2001-03-12 | 256eb3495d4d… |
| 207.183.112.0 – 207.183.127.255 | 4,096 | US |
allocated | 2001-03-08 | b5b4f373df46… |
| 209.103.224.0 – 209.103.255.255 | 8,192 | US |
allocated | 2001-03-07 | e8e4d025b357… |
| 209.162.160.0 – 209.162.175.255 | 4,096 | CA |
allocated | 2001-03-07 | 0e702695cc8d… |
| 209.216.160.0 – 209.216.191.255 | 8,192 | US |
allocated | 2001-03-07 | 788eb45c9eb5… |
| 209.221.224.0 – 209.221.239.255 | 4,096 | US |
allocated | 2001-03-07 | 4342e91c326e… |
| 24.158.0.0 – 24.158.255.255 | 65,536 | US |
allocated | 2001-03-06 | 2ae6f8bcdd0f… |
| 206.54.144.0 – 206.54.159.255 | 4,096 | US |
allocated | 2001-03-06 | 5d3daf3eca78… |
| 209.41.160.0 – 209.41.191.255 | 8,192 | US |
allocated | 2001-03-06 | f9107f6aa386… |
| 209.42.32.0 – 209.42.63.255 | 8,192 | US |
allocated | 2001-03-05 | affe9ea9c56a… |
| 216.218.64.0 – 216.218.127.255 | 16,384 | US |
allocated | 2001-03-05 | 1773cd35def4… |
| 65.44.0.0 – 65.47.255.255 | 262,144 | US |
allocated | 2001-03-02 | e220ed812a4c… |