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
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 64.75.64.0 – 64.75.127.255 | 16,384 |  US |
allocated | 2001-04-20 | 9f0aedf8268c… |
| 64.30.96.0 – 64.30.127.255 | 8,192 | US |
allocated | 2001-04-19 | 424bfcacb580… |
| 64.35.192.0 – 64.35.207.255 | 4,096 | US |
allocated | 2001-04-19 | b473330fef07… |
| 64.35.224.0 – 64.35.255.255 | 8,192 | US |
allocated | 2001-04-19 | 3179409b9c64… |
| 24.122.0.0 – 24.122.255.255 | 65,536 |  CA |
allocated | 2001-04-18 | df04ba7e5e16… |
| 64.35.128.0 – 64.35.143.255 | 4,096 | US |
allocated | 2001-04-18 | 302960e84b60… |
| 66.113.0.0 – 66.113.31.255 | 8,192 | US |
allocated | 2001-04-18 | 7e8fc21ece53… |
| 66.94.128.0 – 66.94.191.255 | 16,384 | US |
allocated | 2001-04-16 | d538268083a4… |
| 216.255.0.0 – 216.255.63.255 | 16,384 | US |
allocated | 2001-04-16 | 093c25c34dc7… |
| 216.255.64.0 – 216.255.95.255 | 8,192 | US |
allocated | 2001-04-16 | e220ed812a4c… |
| 66.108.0.0 – 66.108.255.255 | 65,536 | US |
allocated | 2001-04-13 | d2fc8fbc818f… |
| 64.27.160.0 – 64.27.175.255 | 4,096 | US |
allocated | 2001-04-12 | cdb7d42057bd… |
| 209.170.248.0 – 209.170.255.255 | 2,048 | US |
allocated | 2001-04-11 | a966c2456c55… |
| 216.150.224.0 – 216.150.239.255 | 4,096 | US |
allocated | 2001-04-11 | cdd84ebb08e4… |
| 64.4.224.0 – 64.4.239.255 | 4,096 | US |
allocated | 2001-04-10 | 2540d100d8c8… |
| 207.246.208.0 – 207.246.223.255 | 4,096 | US |
allocated | 2001-04-10 | 5638cd56c59c… |
| 209.132.160.0 – 209.132.175.255 | 4,096 | US |
allocated | 2001-04-10 | b41c1949bef0… |
| 209.183.32.0 – 209.183.63.255 | 8,192 | US |
allocated | 2001-04-10 | 81e05477cc28… |
| 216.116.80.0 – 216.116.95.255 | 4,096 | US |
allocated | 2001-04-10 | 18650d0a22c1… |
| 216.244.96.0 – 216.244.127.255 | 8,192 | US |
allocated | 2001-04-10 | ca93c740108a… |
| 66.97.128.0 – 66.97.143.255 | 4,096 | US |
allocated | 2001-04-09 | 4b179ab78b2a… |
| 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… |
| 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… |