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 |
|---|---|---|---|---|---|
| 199.87.176.0 – 199.87.183.255 | 2,048 |  US |
allocated | 2011-02-01 | d92e17473a3d… |
| 199.87.184.0 – 199.87.191.255 | 2,048 | US |
allocated | 2011-02-01 | f3da36c44a30… |
| 204.153.55.0 – 204.153.55.255 | 256 | US |
allocated | 2011-02-01 | 2bd375e02acd… |
| 204.153.67.0 – 204.153.67.255 | 256 | US |
allocated | 2011-02-01 | a60c92cb7dcd… |
| 66.171.160.0 – 66.171.175.255 | 4,096 |  CA |
allocated | 2011-01-31 | a2e1bb6f40a4… |
| 66.171.176.0 – 66.171.191.255 | 4,096 | US |
allocated | 2011-01-31 | 3e3ceffd44b2… |
| 199.87.144.0 – 199.87.151.255 | 2,048 | US |
allocated | 2011-01-31 | 810c2451c2aa… |
| 199.87.152.0 – 199.87.159.255 | 2,048 | CA |
allocated | 2011-01-31 | 9a01142a9d62… |
| 199.87.160.0 – 199.87.163.255 | 1,024 | US |
allocated | 2011-01-31 | 1b809b440dec… |
| 204.152.18.0 – 204.152.19.255 | 512 | US |
allocated | 2011-01-31 | b004b3ecde24… |
| 204.153.35.0 – 204.153.35.255 | 256 | US |
allocated | 2011-01-31 | 79bf6e02e7b6… |
| 199.87.136.0 – 199.87.143.255 | 2,048 | US |
allocated | 2011-01-30 | 3b1853e71ae4… |
| 66.171.128.0 – 66.171.143.255 | 4,096 | CA |
allocated | 2011-01-28 | ced279099208… |
| 66.171.144.0 – 66.171.159.255 | 4,096 | US |
allocated | 2011-01-28 | feedcd8ee49c… |
| 199.83.240.0 – 199.83.243.255 | 1,024 | CA |
allocated | 2011-01-28 | 85b3efc5e8f7… |
| 199.83.248.0 – 199.83.255.255 | 2,048 | US |
allocated | 2011-01-28 | 49a7b06e7fc1… |
| 199.87.128.0 – 199.87.135.255 | 2,048 | US |
allocated | 2011-01-28 | 66fd61ecafb7… |
| 207.174.224.0 – 207.174.225.255 | 512 | US |
allocated | 2011-01-28 | fe1bf20bce56… |
| 207.174.226.0 – 207.174.226.255 | 256 | US |
allocated | 2011-01-28 | 4fcc2e148773… |
| 207.174.227.0 – 207.174.227.255 | 256 | US |
allocated | 2011-01-28 | ee8bedaf369d… |
| 207.174.228.0 – 207.174.231.255 | 1,024 | US |
allocated | 2011-01-28 | fe1bf20bce56… |
| 207.174.232.0 – 207.174.233.255 | 512 | US |
allocated | 2011-01-28 | fe1bf20bce56… |
| 207.174.236.0 – 207.174.237.255 | 512 | US |
allocated | 2011-01-28 | ee8bedaf369d… |
| 207.174.238.0 – 207.174.239.255 | 512 | US |
allocated | 2011-01-28 | 5ab6fcbe0427… |
| 66.171.112.0 – 66.171.127.255 | 4,096 | US |
allocated | 2011-01-27 | 0fa7e1619fe5… |
| 67.218.160.0 – 67.218.191.255 | 8,192 | US |
allocated | 2011-01-27 | 320625f275e7… |
| 199.83.236.0 – 199.83.239.255 | 1,024 | US |
allocated | 2011-01-27 | 06ac982a1cb0… |
| 204.152.6.0 – 204.152.7.255 | 512 | US |
allocated | 2011-01-27 | da17050cf283… |
| 204.152.105.0 – 204.152.105.255 | 256 | US |
allocated | 2011-01-27 | d5ff1da6e8c7… |
| 209.140.32.0 – 209.140.63.255 | 8,192 | US |
allocated | 2011-01-27 | 18f1af4c0a32… |
| 209.141.32.0 – 209.141.63.255 | 8,192 | US |
allocated | 2011-01-27 | 906906387c97… |
| 209.141.64.0 – 209.141.95.255 | 8,192 | US |
allocated | 2011-01-27 | 1481ecc87fd7… |
| 209.141.96.0 – 209.141.111.255 | 4,096 | US |
allocated | 2011-01-27 | 1481ecc87fd7… |
| 66.171.48.0 – 66.171.63.255 | 4,096 | CA |
allocated | 2011-01-26 | df04ba7e5e16… |
| 66.171.64.0 – 66.171.79.255 | 4,096 | US |
allocated | 2011-01-26 | 221a7bb4d512… |
| 66.171.80.0 – 66.171.95.255 | 4,096 | US |
allocated | 2011-01-26 | 75fc43d5f69c… |
| 66.171.96.0 – 66.171.111.255 | 4,096 | CA |
allocated | 2011-01-26 | 0e702695cc8d… |
| 198.32.195.0 – 198.32.195.255 | 256 | US |
allocated | 2011-01-26 | 1e71572809aa… |
| 198.32.196.0 – 198.32.196.255 | 256 | US |
allocated | 2011-01-26 | 1e71572809aa… |
| 199.83.220.0 – 199.83.223.255 | 1,024 | US |
allocated | 2011-01-26 | 6e19a0c7aa20… |
| 199.83.224.0 – 199.83.231.255 | 2,048 | US |
allocated | 2011-01-26 | fb60c1695dd7… |
| 204.145.241.0 – 204.145.241.255 | 256 | US |
allocated | 2011-01-26 | 530c8166cda4… |
| 204.152.0.0 – 204.152.1.255 | 512 | US |
allocated | 2011-01-26 | 7873a4840510… |
| 216.195.32.0 – 216.195.63.255 | 8,192 | US |
allocated | 2011-01-26 | 7a876fbec890… |
| 68.233.192.0 – 68.233.223.255 | 8,192 | US |
allocated | 2011-01-25 | 7f75b8e6c16c… |
| 199.83.208.0 – 199.83.215.255 | 2,048 | US |
allocated | 2011-01-25 | 49e713422bbf… |
| 199.83.216.0 – 199.83.219.255 | 1,024 | US |
allocated | 2011-01-25 | 730cd7a12eda… |
| 204.145.219.0 – 204.145.219.255 | 256 | US |
allocated | 2011-01-25 | febc32808115… |
| 204.147.202.0 – 204.147.203.255 | 512 | US |
allocated | 2011-01-25 | 6918dc8ac6db… |
| 50.30.112.0 – 50.30.127.255 | 4,096 | US |
allocated | 2011-01-24 | e7d0f063b42c… |
| 50.87.0.0 – 50.87.255.255 | 65,536 | US |
allocated | 2011-01-24 | 9ce56b15dad0… |
| 65.255.240.0 – 65.255.255.255 | 4,096 | US |
allocated | 2011-01-24 | 564019fd598c… |
| 66.171.16.0 – 66.171.31.255 | 4,096 | US |
allocated | 2011-01-24 | 1afb00c2edce… |
| 68.171.0.0 – 68.171.15.255 | 4,096 | US |
allocated | 2011-01-24 | d3f7999eda1e… |
| 199.83.184.0 – 199.83.191.255 | 2,048 | US |
allocated | 2011-01-24 | 9f89c31744ce… |
| 199.83.192.0 – 199.83.199.255 | 2,048 |  GD |
allocated | 2011-01-24 | 54753e15d57e… |
| 199.83.200.0 – 199.83.207.255 | 2,048 | CA |
allocated | 2011-01-24 | e436a9bf80f2… |
| 204.145.158.0 – 204.145.158.255 | 256 | US |
allocated | 2011-01-24 | 291d80007760… |
| 204.145.176.0 – 204.145.176.255 | 256 | US |
allocated | 2011-01-24 | 8d7ef257b0ab… |
| 24.239.16.0 – 24.239.31.255 | 4,096 | US |
allocated | 2011-01-21 | c17b4db6c788… |
| 50.30.16.0 – 50.30.31.255 | 4,096 | US |
allocated | 2011-01-21 | 86d223035d67… |
| 50.30.32.0 – 50.30.47.255 | 4,096 |  DE |
allocated | 2011-01-21 | 217c5af5ee26… |
| 50.30.48.0 – 50.30.63.255 | 4,096 | US |
allocated | 2011-01-21 | ce9e04e79df2… |
| 50.30.64.0 – 50.30.79.255 | 4,096 | US |
allocated | 2011-01-21 | de8661e1fc1b… |
| 50.30.80.0 – 50.30.95.255 | 4,096 | US |
allocated | 2011-01-21 | 50ed40f7fe07… |
| 50.30.96.0 – 50.30.111.255 | 4,096 | US |
allocated | 2011-01-21 | a8640fdf10a6… |
| 50.58.0.0 – 50.59.255.255 | 131,072 | US |
allocated | 2011-01-21 | e5e3b9c13678… |
| 199.83.176.0 – 199.83.179.255 | 1,024 | US |
allocated | 2011-01-21 | ee4a1e8c701b… |
| 199.83.180.0 – 199.83.183.255 | 1,024 | US |
allocated | 2011-01-21 | 345e675f8453… |
| 209.140.64.0 – 209.140.127.255 | 16,384 | US |
allocated | 2011-01-21 | 51413a01e67e… |
| 63.143.64.0 – 63.143.127.255 | 16,384 |  JM |
allocated | 2011-01-20 | 302f5ac1a4c0… |
| 199.83.152.0 – 199.83.159.255 | 2,048 | CA |
allocated | 2011-01-20 | aa1284f96cc4… |
| 63.142.64.0 – 63.142.127.255 | 16,384 | US |
allocated | 2011-01-19 | 29c3e989e995… |
| 199.83.140.0 – 199.83.143.255 | 1,024 | US |
allocated | 2011-01-19 | 1a7f1d64e620… |
| 199.83.144.0 – 199.83.151.255 | 2,048 | US |
allocated | 2011-01-19 | a556161324f9… |
| 204.145.118.0 – 204.145.118.255 | 256 | US |
allocated | 2011-01-19 | 77f014efbad3… |
| 50.30.0.0 – 50.30.15.255 | 4,096 | US |
allocated | 2011-01-18 | a8f25e5b8214… |
| 173.237.80.0 – 173.237.95.255 | 4,096 | US |
allocated | 2011-01-18 | 5d2cf8bf35be… |
| 173.249.144.0 – 173.249.159.255 | 4,096 | US |
allocated | 2011-01-18 | d8f072014ca8… |
| 199.68.252.0 – 199.68.255.255 | 1,024 | US |
allocated | 2011-01-18 | 97e3ce91ee39… |
| 199.83.136.0 – 199.83.139.255 | 1,024 | CA |
allocated | 2011-01-18 | dcd08486c35a… |
| 204.144.57.0 – 204.144.57.255 | 256 | US |
allocated | 2011-01-18 | 933efa7f2d80… |
| 204.144.118.0 – 204.144.119.255 | 512 | US |
allocated | 2011-01-18 | 3511c8d59f55… |
| 205.251.176.0 – 205.251.191.255 | 4,096 | US |
allocated | 2011-01-18 | cdd84ebb08e4… |
| 50.56.0.0 – 50.56.127.255 | 32,768 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.56.128.0 – 50.56.143.255 | 4,096 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.56.144.0 – 50.56.147.255 | 1,024 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.56.148.0 – 50.56.151.255 | 1,024 | US |
allocated | 2011-01-14 | d8f072014ca8… |
| 50.56.152.0 – 50.56.159.255 | 2,048 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.56.160.0 – 50.56.191.255 | 8,192 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.56.192.0 – 50.56.255.255 | 16,384 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.57.0.0 – 50.57.127.255 | 32,768 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.57.128.0 – 50.57.191.255 | 16,384 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.57.192.0 – 50.57.223.255 | 8,192 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.57.224.0 – 50.57.239.255 | 4,096 | US |
allocated | 2011-01-14 | c66e83fbb76c… |
| 50.57.240.0 – 50.57.255.255 | 4,096 | US |
allocated | 2011-01-14 | d8f072014ca8… |
| 199.68.248.0 – 199.68.251.255 | 1,024 | US |
allocated | 2011-01-14 | f984730f795a… |
| 199.83.128.0 – 199.83.135.255 | 2,048 | US |
allocated | 2011-01-14 | 2eb2fd7d49ed… |
| 204.144.58.0 – 204.144.58.255 | 256 | US |
allocated | 2011-01-14 | b74732ab6b4e… |
| 206.51.0.0 – 206.51.0.255 | 256 |  PR |
allocated | 2011-01-14 | e2ba12d7b2bd… |