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
1,645,583,360
📦
IPv4 networks
76,686
delegated blocks
🧭
IPv6 networks
11,342
delegated blocks
🔗
Autonomous systems
34,022
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 216.18.128.0 – 216.18.143.255 | 4,096 |  US |
allocated | 2011-07-21 | 6cbf49db31c9… |
| 71.19.224.0 – 71.19.239.255 | 4,096 | US |
allocated | 2011-07-20 | 8fcda35b2fd0… |
| 199.187.148.0 – 199.187.151.255 | 1,024 | US |
allocated | 2011-07-20 | 1a922969fbba… |
| 199.187.160.0 – 199.187.163.255 | 1,024 | US |
allocated | 2011-07-20 | d304ef841c9d… |
| 199.187.164.0 – 199.187.167.255 | 1,024 | US |
allocated | 2011-07-20 | 1fbf4c78e502… |
| 216.49.0.0 – 216.49.63.255 | 16,384 | US |
allocated | 2011-07-20 | 8c76fde22fe6… |
| 199.187.152.0 – 199.187.159.255 | 2,048 | US |
allocated | 2011-07-19 | eb00bff0dd60… |
| 71.19.208.0 – 71.19.223.255 | 4,096 | US |
allocated | 2011-07-18 | 17ce7b98bac3… |
| 107.6.192.0 – 107.6.255.255 | 16,384 | US |
allocated | 2011-07-18 | 46b40a4b0a26… |
| 199.187.136.0 – 199.187.143.255 | 2,048 | US |
allocated | 2011-07-18 | e4a25f8062d9… |
| 199.187.144.0 – 199.187.147.255 | 1,024 | US |
allocated | 2011-07-18 | 98d625d96399… |
| 204.29.193.0 – 204.29.193.255 | 256 | US |
allocated | 2011-07-18 | ccb8fe666cd7… |
| 107.6.128.0 – 107.6.191.255 | 16,384 | US |
allocated | 2011-07-15 | f624e02d3805… |
| 199.180.248.0 – 199.180.255.255 | 2,048 | US |
allocated | 2011-07-15 | 830303b59b68… |
| 199.187.128.0 – 199.187.131.255 | 1,024 | US |
allocated | 2011-07-15 | 930e0ad82306… |
| 199.187.132.0 – 199.187.135.255 | 1,024 | US |
allocated | 2011-07-15 | e6199924606a… |
| 204.29.189.0 – 204.29.189.255 | 256 | US |
allocated | 2011-07-15 | 2ba5194f152e… |
| 204.69.244.0 – 204.69.245.255 | 512 | US |
allocated | 2011-07-15 | 238f5487ee0a… |
| 204.137.224.0 – 204.137.255.255 | 8,192 | US |
allocated | 2011-07-15 | 0778f38ce84f… |
| 199.180.220.0 – 199.180.223.255 | 1,024 | US |
allocated | 2011-07-14 | f7c33ed4c093… |
| 199.180.240.0 – 199.180.247.255 | 2,048 | US |
allocated | 2011-07-14 | 9a5c35b647e4… |
| 204.69.214.0 – 204.69.215.255 | 512 | US |
allocated | 2011-07-14 | c2a16aebbb5c… |
| 71.19.192.0 – 71.19.207.255 | 4,096 | US |
allocated | 2011-07-13 | c4bac7c0deca… |
| 199.180.216.0 – 199.180.219.255 | 1,024 | US |
allocated | 2011-07-13 | 03ed9044c3c8… |
| 199.180.224.0 – 199.180.231.255 | 2,048 | US |
allocated | 2011-07-13 | 3b7b8307b8cb… |
| 199.180.232.0 – 199.180.239.255 | 2,048 | US |
allocated | 2011-07-13 | f4afc75568f2… |
| 199.180.212.0 – 199.180.215.255 | 1,024 | US |
allocated | 2011-07-12 | 618bced69d75… |
| 204.48.64.0 – 204.48.95.255 | 8,192 |  CA |
allocated | 2011-07-12 | f046ddd53b88… |
| 216.172.112.0 – 216.172.127.255 | 4,096 | US |
allocated | 2011-07-12 | 395584191e09… |
| 204.29.163.0 – 204.29.163.255 | 256 | US |
allocated | 2011-07-11 | 6c7f7934b1b6… |
| 204.209.114.0 – 204.209.114.255 | 256 | US |
allocated | 2011-07-11 | 642317df6427… |
| 216.172.80.0 – 216.172.95.255 | 4,096 | US |
allocated | 2011-07-11 | 3a1bc8ab5ba3… |
| 216.172.96.0 – 216.172.111.255 | 4,096 | US |
allocated | 2011-07-11 | 6666934f7458… |
| 199.180.196.0 – 199.180.199.255 | 1,024 | US |
allocated | 2011-07-08 | 2f174894386d… |
| 199.180.208.0 – 199.180.211.255 | 1,024 | US |
allocated | 2011-07-08 | e4d5768b0e37… |
| 204.109.13.0 – 204.109.13.255 | 256 | US |
allocated | 2011-07-07 | 199f4dcf55b9… |
| 199.180.180.0 – 199.180.183.255 | 1,024 | US |
allocated | 2011-07-06 | 7779723493a1… |
| 199.180.184.0 – 199.180.187.255 | 1,024 | US |
allocated | 2011-07-06 | 92f3d088c118… |
| 199.180.188.0 – 199.180.191.255 | 1,024 | US |
allocated | 2011-07-06 | 758951cac5e6… |
| 199.180.192.0 – 199.180.195.255 | 1,024 | US |
allocated | 2011-07-06 | e0a8df403b06… |
| 216.172.48.0 – 216.172.63.255 | 4,096 | US |
allocated | 2011-07-06 | ba55e00dce29… |
| 199.180.164.0 – 199.180.167.255 | 1,024 | US |
allocated | 2011-07-05 | 9f3a92572403… |
| 199.180.176.0 – 199.180.179.255 | 1,024 | US |
allocated | 2011-07-05 | 3ebddf9804c5… |
| 204.107.151.0 – 204.107.151.255 | 256 | US |
allocated | 2011-07-05 | 4a81017c6451… |
| 216.172.16.0 – 216.172.31.255 | 4,096 | US |
allocated | 2011-07-05 | 6c065d5b54b8… |
| 216.172.32.0 – 216.172.47.255 | 4,096 | CA |
allocated | 2011-07-05 | dcd08486c35a… |
| 199.180.160.0 – 199.180.163.255 | 1,024 | US |
allocated | 2011-07-01 | 59cc7760444f… |
| 199.180.148.0 – 199.180.151.255 | 1,024 | US |
allocated | 2011-06-30 | 33ee2f59b6a0… |
| 199.180.152.0 – 199.180.159.255 | 2,048 | US |
allocated | 2011-06-30 | ec46e0d0db3e… |
| 209.54.112.0 – 209.54.127.255 | 4,096 | CA |
allocated | 2011-06-30 | 61899e6c9fa5… |
| 209.165.224.0 – 209.165.239.255 | 4,096 | US |
allocated | 2011-06-30 | fb2900c8512a… |
| 216.172.0.0 – 216.172.15.255 | 4,096 | US |
allocated | 2011-06-30 | 1a6e071e57e7… |
| 199.180.140.0 – 199.180.143.255 | 1,024 | US |
allocated | 2011-06-29 | bceb8d234984… |
| 199.180.144.0 – 199.180.147.255 | 1,024 | US |
allocated | 2011-06-29 | 34d342be0361… |
| 204.107.145.0 – 204.107.145.255 | 256 | US |
allocated | 2011-06-29 | 543c13dd7188… |
| 199.168.252.0 – 199.168.255.255 | 1,024 | US |
allocated | 2011-06-28 | f9107f6aa386… |
| 199.180.128.0 – 199.180.135.255 | 2,048 | US |
allocated | 2011-06-28 | 1d0bff172f08… |
| 209.54.80.0 – 209.54.95.255 | 4,096 | US |
allocated | 2011-06-28 | 88a63c2539ed… |
| 216.172.160.0 – 216.172.191.255 | 8,192 | US |
allocated | 2011-06-28 | 7b60a39fc2a4… |
| 199.168.232.0 – 199.168.239.255 | 2,048 | US |
allocated | 2011-06-27 | 61e722e90704… |
| 199.168.240.0 – 199.168.247.255 | 2,048 | US |
allocated | 2011-06-27 | 360abcfb67f3… |
| 199.168.248.0 – 199.168.251.255 | 1,024 | CA |
allocated | 2011-06-27 | dc610d9aa145… |
| 204.107.135.0 – 204.107.135.255 | 256 | US |
allocated | 2011-06-27 | 924b9cea52ee… |
| 204.107.141.0 – 204.107.141.255 | 256 | US |
allocated | 2011-06-27 | 0d360ce2fcd1… |
| 216.172.192.0 – 216.172.255.255 | 16,384 | US |
allocated | 2011-06-27 | 5053ea7b2d52… |
| 199.168.224.0 – 199.168.227.255 | 1,024 | US |
allocated | 2011-06-24 | 76e490b07128… |
| 209.54.64.0 – 209.54.79.255 | 4,096 | CA |
allocated | 2011-06-24 | df04ba7e5e16… |
| 24.52.192.0 – 24.52.255.255 | 16,384 | CA |
allocated | 2011-06-23 | f20caf052996… |
| 199.168.208.0 – 199.168.215.255 | 2,048 | US |
allocated | 2011-06-23 | 55f767ef8b56… |
| 199.168.216.0 – 199.168.223.255 | 2,048 | CA |
allocated | 2011-06-23 | 3e4e5e19292e… |
| 204.107.122.0 – 204.107.122.255 | 256 | US |
allocated | 2011-06-23 | c2b80ce7334d… |
| 206.126.229.0 – 206.126.229.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.230.0 – 206.126.231.255 | 512 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.234.0 – 206.126.234.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.241.0 – 206.126.241.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.245.0 – 206.126.245.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.250.0 – 206.126.250.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.253.0 – 206.126.253.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 206.126.254.0 – 206.126.254.255 | 256 | US |
allocated | 2011-06-23 | 5f4ef8c3a264… |
| 131.253.1.0 – 131.253.1.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.3.0 – 131.253.3.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.5.0 – 131.253.5.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.6.0 – 131.253.6.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.8.0 – 131.253.8.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.12.0 – 131.253.15.255 | 1,024 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.16.0 – 131.253.17.255 | 512 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.18.0 – 131.253.18.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.21.0 – 131.253.21.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.22.0 – 131.253.23.255 | 512 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.24.0 – 131.253.31.255 | 2,048 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.32.0 – 131.253.47.255 | 4,096 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.61.0 – 131.253.61.255 | 256 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.62.0 – 131.253.63.255 | 512 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.64.0 – 131.253.127.255 | 16,384 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 131.253.128.0 – 131.253.255.255 | 32,768 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 132.245.0.0 – 132.245.255.255 | 65,536 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 134.170.0.0 – 134.170.255.255 | 65,536 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 137.135.0.0 – 137.135.255.255 | 65,536 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 138.91.0.0 – 138.91.255.255 | 65,536 | US |
allocated | 2011-06-22 | 2812816f8011… |
| 141.251.0.0 – 141.251.255.255 | 65,536 | US |
allocated | 2011-06-22 | 2812816f8011… |