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
1,644,513,536
📦
IPv4 networks
77,313
delegated blocks
🧭
IPv6 networks
11,586
delegated blocks
🔗
Autonomous systems
34,304
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 192.86.226.0 – 192.86.226.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.227.0 – 192.86.227.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.228.0 – 192.86.228.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.229.0 – 192.86.229.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.230.0 – 192.86.231.255 | 512 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.232.0 – 192.86.239.255 | 2,048 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.240.0 – 192.86.247.255 | 2,048 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.248.0 – 192.86.249.255 | 512 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.250.0 – 192.86.250.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.251.0 – 192.86.251.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.252.0 – 192.86.252.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.86.253.0 – 192.86.253.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.88.25.0 – 192.88.25.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.88.26.0 – 192.88.26.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.88.27.0 – 192.88.27.255 | 256 | US |
allocated | 1990-12-12 | 45fe880b68a8… |
| 192.88.28.0 – 192.88.28.255 | 256 | US |
allocated | 1990-12-12 | 92a7f5acfd6a… |
| 192.88.29.0 – 192.88.29.255 | 256 | US |
allocated | 1990-12-12 | 030a31e229ba… |
| 192.88.51.0 – 192.88.51.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.52.0 – 192.88.52.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.53.0 – 192.88.53.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.54.0 – 192.88.54.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.55.0 – 192.88.55.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.56.0 – 192.88.56.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.57.0 – 192.88.57.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.58.0 – 192.88.58.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.59.0 – 192.88.59.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.60.0 – 192.88.60.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.61.0 – 192.88.61.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.62.0 – 192.88.62.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.63.0 – 192.88.63.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.64.0 – 192.88.64.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.65.0 – 192.88.65.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.66.0 – 192.88.66.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.67.0 – 192.88.67.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.68.0 – 192.88.68.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |
| 192.88.69.0 – 192.88.69.255 | 256 | US |
allocated | 1990-12-12 | d3529f254bc5… |