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 |
|---|---|---|---|---|---|
| 144.186.0.0 – 144.186.255.255 | 65,536 |  US |
allocated | 1990-12-20 | cade225cf87a… |
| 144.187.0.0 – 144.187.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.188.0.0 – 144.188.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.189.0.0 – 144.189.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.190.0.0 – 144.190.255.255 | 65,536 | US |
allocated | 1990-12-20 | cade225cf87a… |
| 144.191.0.0 – 144.191.255.255 | 65,536 | US |
allocated | 1990-12-20 | cae4e0847dc3… |
| 144.192.0.0 – 144.192.255.255 | 65,536 | US |
allocated | 1990-12-20 | 45fe880b68a8… |
| 144.194.0.0 – 144.194.255.255 | 65,536 |  CA |
allocated | 1990-12-20 | 9858e19dd4b1… |
| 144.197.0.0 – 144.197.255.255 | 65,536 | US |
allocated | 1990-12-20 | 0596821a6910… |
| 144.198.0.0 – 144.198.255.255 | 65,536 | US |
allocated | 1990-12-20 | a140e131c3f7… |
| 144.201.0.0 – 144.201.255.255 | 65,536 | US |
allocated | 1990-12-20 | 58bab9bfa223… |
| 144.203.0.0 – 144.203.255.255 | 65,536 | US |
allocated | 1990-12-20 | 27a2fec661e4… |
| 192.88.142.0 – 192.88.142.255 | 256 | US |
allocated | 1990-12-20 | 5add83cbd754… |
| 192.88.143.0 – 192.88.143.255 | 256 | US |
allocated | 1990-12-20 | a1d5fb3718bf… |
| 192.88.144.0 – 192.88.144.255 | 256 | US |
allocated | 1990-12-20 | fc39d3d3a4a1… |
| 192.88.145.0 – 192.88.145.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.146.0 – 192.88.146.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.147.0 – 192.88.147.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.148.0 – 192.88.148.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.149.0 – 192.88.149.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.150.0 – 192.88.150.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.151.0 – 192.88.151.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.152.0 – 192.88.152.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.153.0 – 192.88.153.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.154.0 – 192.88.154.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.156.0 – 192.88.159.255 | 1,024 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.160.0 – 192.88.175.255 | 4,096 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.176.0 – 192.88.176.255 | 256 | US |
allocated | 1990-12-20 | 62c94eb5e6d9… |
| 192.88.177.0 – 192.88.177.255 | 256 | US |
allocated | 1990-12-20 | f5b45c90d1e3… |
| 192.88.184.0 – 192.88.184.255 | 256 | US |
allocated | 1990-12-20 | 5bd3fb58e1f6… |
| 192.88.185.0 – 192.88.185.255 | 256 | US |
allocated | 1990-12-20 | 02bf41ab62b6… |
| 192.88.188.0 – 192.88.188.255 | 256 | US |
allocated | 1990-12-20 | 8353c55680ff… |
| 192.88.191.0 – 192.88.191.255 | 256 | US |
allocated | 1990-12-20 | f4bb71b8cdaf… |
| 192.88.192.0 – 192.88.195.255 | 1,024 | US |
allocated | 1990-12-20 | f4bb71b8cdaf… |
| 192.88.131.0 – 192.88.131.255 | 256 | US |
allocated | 1990-12-19 | db18ca44e602… |
| 192.88.132.0 – 192.88.132.255 | 256 | US |
allocated | 1990-12-19 | 359d69c5e1be… |
| 192.88.136.0 – 192.88.136.255 | 256 | US |
allocated | 1990-12-19 | 45fe880b68a8… |
| 192.88.137.0 – 192.88.137.255 | 256 | US |
allocated | 1990-12-19 | 8fd6f35a8a48… |
| 192.88.138.0 – 192.88.138.255 | 256 | US |
allocated | 1990-12-19 | 2ef82d5c338d… |
| 192.88.139.0 – 192.88.139.255 | 256 | US |
allocated | 1990-12-19 | 5e1bfec9e774… |
| 192.88.140.0 – 192.88.140.255 | 256 | US |
allocated | 1990-12-19 | 8fd6f35a8a48… |
| 192.88.141.0 – 192.88.141.255 | 256 | US |
allocated | 1990-12-19 | 2ef82d5c338d… |
| 142.66.0.0 – 142.66.255.255 | 65,536 | CA |
allocated | 1990-12-17 | ff1dec7a07ed… |
| 144.170.0.0 – 144.170.255.255 | 65,536 | US |
allocated | 1990-12-17 | 45fe880b68a8… |
| 144.171.0.0 – 144.171.255.255 | 65,536 | US |
allocated | 1990-12-17 | 05e8c0798f61… |
| 144.172.0.0 – 144.172.63.255 | 16,384 | US |
allocated | 1990-12-17 | a4be6758a616… |
| 144.175.0.0 – 144.175.255.255 | 65,536 | US |
allocated | 1990-12-17 | adb2e99015c3… |
| 192.88.110.0 – 192.88.110.255 | 256 | US |
allocated | 1990-12-17 | 45fe880b68a8… |
| 192.88.111.0 – 192.88.111.255 | 256 | US |
allocated | 1990-12-17 | 3eb77308119a… |
| 192.88.112.0 – 192.88.112.255 | 256 | US |
allocated | 1990-12-17 | 88fc32a02c76… |
| 192.88.113.0 – 192.88.113.255 | 256 | US |
allocated | 1990-12-17 | 37fe01d6d027… |
| 192.88.114.0 – 192.88.114.255 | 256 | US |
allocated | 1990-12-17 | 1fd660ca4c6c… |
| 192.88.115.0 – 192.88.115.255 | 256 | US |
allocated | 1990-12-17 | 1fd660ca4c6c… |
| 192.88.116.0 – 192.88.116.255 | 256 | US |
allocated | 1990-12-17 | 9a3baaad85b8… |
| 192.88.117.0 – 192.88.117.255 | 256 | US |
allocated | 1990-12-17 | d346d039fac3… |
| 192.88.120.0 – 192.88.120.255 | 256 | US |
allocated | 1990-12-17 | c78dbadf94b9… |
| 192.88.122.0 – 192.88.122.255 | 256 | US |
allocated | 1990-12-17 | 72279f043814… |
| 192.88.124.0 – 192.88.124.255 | 256 | US |
allocated | 1990-12-17 | d756d4b9399a… |
| 144.128.0.0 – 144.128.255.255 | 65,536 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 144.146.0.0 – 144.146.255.255 | 65,536 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 144.147.0.0 – 144.147.255.255 | 65,536 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 144.148.0.0 – 144.148.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.149.0.0 – 144.149.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.150.0.0 – 144.150.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.151.0.0 – 144.151.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.152.0.0 – 144.152.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.153.0.0 – 144.153.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.154.0.0 – 144.154.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.155.0.0 – 144.155.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.156.0.0 – 144.156.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.157.0.0 – 144.157.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.158.0.0 – 144.158.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.159.0.0 – 144.159.255.255 | 65,536 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.160.0.0 – 144.161.255.255 | 131,072 | US |
allocated | 1990-12-13 | 7347b13c724c… |
| 144.162.0.0 – 144.162.255.255 | 65,536 | US |
allocated | 1990-12-13 | bdd45d2ed772… |
| 144.163.0.0 – 144.163.255.255 | 65,536 | US |
allocated | 1990-12-13 | cdb7d42057bd… |
| 192.44.216.0 – 192.44.223.255 | 2,048 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.44.224.0 – 192.44.239.255 | 4,096 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.77.50.0 – 192.77.50.255 | 256 | CA |
allocated | 1990-12-13 | a884fbdb7e6a… |
| 192.77.51.0 – 192.77.51.255 | 256 | CA |
allocated | 1990-12-13 | a884fbdb7e6a… |
| 192.88.104.0 – 192.88.104.255 | 256 | US |
allocated | 1990-12-13 | 657884ac76ea… |
| 192.88.105.0 – 192.88.105.255 | 256 | US |
allocated | 1990-12-13 | 657884ac76ea… |
| 192.91.1.0 – 192.91.1.255 | 256 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.2.0 – 192.91.3.255 | 512 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.4.0 – 192.91.7.255 | 1,024 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.8.0 – 192.91.15.255 | 2,048 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.16.0 – 192.91.31.255 | 4,096 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.32.0 – 192.91.47.255 | 4,096 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.48.0 – 192.91.55.255 | 2,048 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 192.91.56.0 – 192.91.59.255 | 1,024 | US |
allocated | 1990-12-13 | 45fe880b68a8… |
| 144.143.0.0 – 144.143.255.255 | 65,536 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 144.144.0.0 – 144.144.255.255 | 65,536 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 144.166.0.0 – 144.166.255.255 | 65,536 | US |
allocated | 1990-12-12 | 0993595d7cbc… |
| 144.167.0.0 – 144.167.255.255 | 65,536 | US |
allocated | 1990-12-12 | 8f630b11c99f… |
| 144.169.0.0 – 144.169.255.255 | 65,536 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.170.0 – 192.86.171.255 | 512 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.172.0 – 192.86.175.255 | 1,024 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.176.0 – 192.86.191.255 | 4,096 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.192.0 – 192.86.223.255 | 8,192 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.224.0 – 192.86.225.255 | 512 | US |
allocated | 1990-12-12 | 45fe880b68a8… |