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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 155.254.232.0 – 155.254.235.255 | 1,024 |  US |
allocated | 2021-01-11 | d202f120ee5b… |
| 161.38.220.0 – 161.38.223.255 | 1,024 | US |
allocated | 2021-01-11 | ca5b78fee608… |
| 172.99.140.0 – 172.99.143.255 | 1,024 | US |
allocated | 2021-01-11 | 45e7674007eb… |
| 172.99.162.0 – 172.99.163.255 | 512 | US |
allocated | 2021-01-11 | ae7b2f7c4ee1… |
| 172.99.168.0 – 172.99.169.255 | 512 | US |
allocated | 2021-01-11 | 33f66dcd2687… |
| 172.99.249.0 – 172.99.249.255 | 256 | US |
allocated | 2021-01-11 | b4f5ec4944d7… |
| 172.99.252.0 – 172.99.255.255 | 1,024 | US |
allocated | 2021-01-11 | 7af92b237ef3… |
| 199.248.6.0 – 199.248.7.255 | 512 | US |
allocated | 2021-01-11 | 18dcfaa51ef5… |
| 205.233.157.0 – 205.233.157.255 | 256 | US |
allocated | 2021-01-11 | 954520c9cf32… |
| 216.126.47.0 – 216.126.47.255 | 256 |  CA |
allocated | 2021-01-11 | d4943a6ea3ad… |
| 23.170.208.0 – 23.170.208.255 | 256 | US |
allocated | 2021-01-08 | 9996ff0c537d… |
| 23.170.240.0 – 23.170.255.255 | 4,096 | US |
allocated | 2021-01-08 | 6a4d18ae5736… |
| 34.128.0.0 – 34.191.255.255 | 4,194,304 | US |
allocated | 2021-01-08 | 5cb965e996bf… |
| 45.42.164.0 – 45.42.167.255 | 1,024 | US |
allocated | 2021-01-08 | af4ee180f534… |
| 45.42.168.0 – 45.42.169.255 | 512 | CA |
allocated | 2021-01-08 | 8b70f5ea7fd4… |
| 66.22.160.0 – 66.22.175.255 | 4,096 | CA |
allocated | 2021-01-08 | a627286c0525… |
| 66.22.188.0 – 66.22.191.255 | 1,024 | US |
allocated | 2021-01-08 | 964f8d193231… |
| 66.186.200.0 – 66.186.203.255 | 1,024 | US |
allocated | 2021-01-08 | 0b3b6e2187c3… |
| 66.186.208.0 – 66.186.223.255 | 4,096 | US |
allocated | 2021-01-08 | 0b3b6e2187c3… |
| 76.76.18.0 – 76.76.18.255 | 256 | US |
allocated | 2021-01-08 | 2da0c1d842ad… |
| 104.151.176.0 – 104.151.191.255 | 4,096 | US |
allocated | 2021-01-08 | ef8a78fc2746… |
| 104.224.8.0 – 104.224.9.255 | 512 | US |
allocated | 2021-01-08 | 81a328ad0ce7… |
| 136.175.214.0 – 136.175.214.255 | 256 | US |
allocated | 2021-01-08 | fc5b4abbcd4d… |
| 144.86.187.0 – 144.86.187.255 | 256 | US |
allocated | 2021-01-08 | 2d1cf135bf9f… |
| 155.254.216.0 – 155.254.219.255 | 1,024 | US |
allocated | 2021-01-08 | 34918281a6bc… |
| 172.99.152.0 – 172.99.155.255 | 1,024 | CA |
allocated | 2021-01-08 | f3f124dd8777… |
| 172.99.194.0 – 172.99.194.255 | 256 | CA |
allocated | 2021-01-08 | aad3050c151c… |
| 172.99.250.0 – 172.99.250.255 | 256 | US |
allocated | 2021-01-08 | 7eb5edcec60b… |
| 174.34.240.0 – 174.34.240.255 | 256 | US |
allocated | 2021-01-08 | 2da0c1d842ad… |
| 45.42.144.0 – 45.42.147.255 | 1,024 |  BM |
allocated | 2021-01-07 | b2aaad71f600… |
| 45.42.160.0 – 45.42.163.255 | 1,024 | US |
allocated | 2021-01-07 | f5528a5f7f79… |
| 69.59.28.0 – 69.59.28.255 | 256 | US |
allocated | 2021-01-07 | a2f10a4edc8f… |
| 81.199.64.0 – 81.199.79.255 | 4,096 | US |
allocated | 2021-01-07 | e1c103573043… |
| 104.167.220.0 – 104.167.223.255 | 1,024 | US |
allocated | 2021-01-07 | 3dfd13aaf4ed… |
| 104.167.227.0 – 104.167.227.255 | 256 | US |
allocated | 2021-01-07 | 51d30198e95a… |
| 104.167.236.0 – 104.167.239.255 | 1,024 | CA |
allocated | 2021-01-07 | b04ab3fc8c60… |
| 104.167.240.0 – 104.167.243.255 | 1,024 | US |
allocated | 2021-01-07 | 8b42cc2ec249… |
| 104.224.1.0 – 104.224.1.255 | 256 | US |
allocated | 2021-01-07 | 0784c0de6568… |
| 104.224.3.0 – 104.224.3.255 | 256 | US |
allocated | 2021-01-07 | 5a583f00b627… |
| 104.224.20.0 – 104.224.23.255 | 1,024 | US |
allocated | 2021-01-07 | 25077570d498… |
| 104.224.42.0 – 104.224.42.255 | 256 | US |
allocated | 2021-01-07 | 071c3fbd424b… |
| 104.224.56.0 – 104.224.59.255 | 1,024 | CA |
allocated | 2021-01-07 | c40f395c40a4… |
| 155.254.204.0 – 155.254.207.255 | 1,024 | US |
allocated | 2021-01-07 | 7f4009615dcf… |
| 161.199.67.0 – 161.199.67.255 | 256 | US |
allocated | 2021-01-07 | 06a30da8f9b9… |
| 169.197.183.0 – 169.197.183.255 | 256 | US |
allocated | 2021-01-07 | 87116bf3f389… |
| 172.99.132.0 – 172.99.133.255 | 512 | US |
allocated | 2021-01-07 | 68b4feb0d877… |
| 172.99.144.0 – 172.99.147.255 | 1,024 | US |
allocated | 2021-01-07 | 2ccd8772b39f… |
| 172.99.148.0 – 172.99.151.255 | 1,024 | CA |
allocated | 2021-01-07 | d53174d17708… |
| 172.99.156.0 – 172.99.159.255 | 1,024 | CA |
allocated | 2021-01-07 | 8f990d866ab4… |
| 172.99.217.0 – 172.99.217.255 | 256 | US |
allocated | 2021-01-07 | b2d8d7f8100c… |
| 172.99.232.0 – 172.99.233.255 | 512 | CA |
allocated | 2021-01-07 | 12a8c9d69826… |
| 172.99.236.0 – 172.99.239.255 | 1,024 | US |
allocated | 2021-01-07 | 6fae5858e5fc… |
| 172.99.240.0 – 172.99.243.255 | 1,024 | US |
allocated | 2021-01-07 | ee2af44dc6b5… |
| 172.99.246.0 – 172.99.247.255 | 512 | CA |
allocated | 2021-01-07 | f38f6910520f… |
| 172.99.251.0 – 172.99.251.255 | 256 | CA |
allocated | 2021-01-07 | a6c2e39a9246… |
| 204.87.170.0 – 204.87.170.255 | 256 | US |
allocated | 2021-01-07 | 7451833ee78a… |
| 4.224.0.0 – 4.239.255.255 | 1,048,576 | US |
allocated | 2021-01-06 | b004b3ecde24… |
| 45.42.128.0 – 45.42.131.255 | 1,024 | CA |
allocated | 2021-01-06 | 5d55765dadc8… |
| 45.42.136.0 – 45.42.139.255 | 1,024 | US |
allocated | 2021-01-06 | 846f8cba3565… |
| 45.42.140.0 – 45.42.143.255 | 1,024 | US |
allocated | 2021-01-06 | db84c0190dc9… |
| 45.42.156.0 – 45.42.159.255 | 1,024 | US |
allocated | 2021-01-06 | 39ad67aaeed6… |
| 45.42.175.0 – 45.42.175.255 | 256 | US |
allocated | 2021-01-06 | 86d0c0533456… |
| 45.42.176.0 – 45.42.179.255 | 1,024 | US |
allocated | 2021-01-06 | 6a4d18ae5736… |
| 45.42.184.0 – 45.42.187.255 | 1,024 | CA |
allocated | 2021-01-06 | 79de05ef5ddb… |
| 45.42.188.0 – 45.42.191.255 | 1,024 | US |
allocated | 2021-01-06 | ab2e32f14feb… |
| 45.42.192.0 – 45.42.195.255 | 1,024 | CA |
allocated | 2021-01-06 | fb2f358ea4e8… |
| 45.42.200.0 – 45.42.203.255 | 1,024 | US |
allocated | 2021-01-06 | 0d521be43fc6… |
| 104.167.192.0 – 104.167.192.255 | 256 | CA |
allocated | 2021-01-06 | 6537b62b9624… |
| 104.167.193.0 – 104.167.193.255 | 256 | US |
allocated | 2021-01-06 | 0a867b33f465… |
| 104.167.245.0 – 104.167.245.255 | 256 | US |
allocated | 2021-01-06 | 7a78f6de80a8… |
| 104.224.0.0 – 104.224.0.255 | 256 | US |
allocated | 2021-01-06 | 6f8fca226ced… |
| 104.224.12.0 – 104.224.15.255 | 1,024 | US |
allocated | 2021-01-06 | 390c2159a310… |
| 104.224.16.0 – 104.224.16.255 | 256 | US |
allocated | 2021-01-06 | eac719c1cee0… |
| 104.224.52.0 – 104.224.55.255 | 1,024 | CA |
allocated | 2021-01-06 | 0706cb4f1a96… |
| 155.254.248.0 – 155.254.251.255 | 1,024 | US |
allocated | 2021-01-06 | d2208b809887… |
| 169.197.180.0 – 169.197.180.255 | 256 | US |
allocated | 2021-01-06 | 8e964c5b7a26… |
| 172.99.195.0 – 172.99.195.255 | 256 | US |
allocated | 2021-01-06 | 6d968f1de9ce… |
| 172.99.196.0 – 172.99.199.255 | 1,024 | CA |
allocated | 2021-01-06 | e5401c588e33… |
| 172.99.200.0 – 172.99.203.255 | 1,024 | CA |
allocated | 2021-01-06 | 45501f68ea5d… |
| 172.99.204.0 – 172.99.207.255 | 1,024 | CA |
allocated | 2021-01-06 | 3c9ee8c369f4… |
| 172.99.208.0 – 172.99.211.255 | 1,024 | CA |
allocated | 2021-01-06 | 78fe29c540c2… |
| 172.99.212.0 – 172.99.215.255 | 1,024 | US |
allocated | 2021-01-06 | 4ba5e4a9187e… |
| 172.99.220.0 – 172.99.223.255 | 1,024 | US |
allocated | 2021-01-06 | 37db89ac9934… |
| 172.99.224.0 – 172.99.227.255 | 1,024 | US |
allocated | 2021-01-06 | 45a57a64533d… |
| 172.99.244.0 – 172.99.245.255 | 512 | US |
allocated | 2021-01-06 | f82eba7d19b2… |
| 104.167.195.0 – 104.167.195.255 | 256 | US |
allocated | 2021-01-05 | f81834edba4e… |
| 104.167.204.0 – 104.167.207.255 | 1,024 | US |
allocated | 2021-01-05 | dfc3bc302cd1… |
| 104.167.212.0 – 104.167.215.255 | 1,024 | CA |
allocated | 2021-01-05 | 0fe4641698d0… |
| 104.167.216.0 – 104.167.219.255 | 1,024 | CA |
allocated | 2021-01-05 | 431810b8e96f… |
| 104.167.225.0 – 104.167.225.255 | 256 | US |
allocated | 2021-01-05 | 333ebb90b28c… |
| 104.167.226.0 – 104.167.226.255 | 256 | US |
allocated | 2021-01-05 | 42cfc8f668e9… |
| 104.167.228.0 – 104.167.231.255 | 1,024 | CA |
allocated | 2021-01-05 | bd4da63c2534… |
| 104.167.232.0 – 104.167.235.255 | 1,024 | US |
allocated | 2021-01-05 | f36050f455b7… |
| 104.167.247.0 – 104.167.247.255 | 256 | US |
allocated | 2021-01-05 | 7551f3e61428… |
| 104.167.248.0 – 104.167.251.255 | 1,024 | US |
allocated | 2021-01-05 | db23b2ccc9eb… |
| 104.224.2.0 – 104.224.2.255 | 256 | US |
allocated | 2021-01-05 | 435c4779ee54… |
| 104.224.10.0 – 104.224.11.255 | 512 | US |
allocated | 2021-01-05 | cd0800171005… |
| 104.224.48.0 – 104.224.51.255 | 1,024 | CA |
allocated | 2021-01-05 | e2dbcc45853d… |
| 104.224.60.0 – 104.224.63.255 | 1,024 | US |
allocated | 2021-01-05 | 8400570725cb… |
| 136.175.180.0 – 136.175.183.255 | 1,024 | US |
allocated | 2021-01-05 | cc1ca2814763… |