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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.12.242.0 – 192.12.242.255 | 256 |  US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.243.0 – 192.12.243.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.244.0 – 192.12.244.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.245.0 – 192.12.245.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.246.0 – 192.12.246.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 128.114.0.0 – 128.114.255.255 | 65,536 | US |
allocated | 1986-03-05 | 1267efcae083… |
| 192.12.237.0 – 192.12.237.255 | 256 | US |
allocated | 1986-03-05 | 314c3c72e9a1… |
| 128.113.0.0 – 128.113.255.255 | 65,536 | US |
allocated | 1986-02-27 | ff6ac5f645ba… |
| 192.12.216.0 – 192.12.216.255 | 256 | US |
allocated | 1986-02-27 | 0925cf378e38… |
| 192.12.220.0 – 192.12.220.255 | 256 | US |
allocated | 1986-02-27 | 232ce3d44911… |
| 128.112.0.0 – 128.112.255.255 | 65,536 | US |
allocated | 1986-02-24 | c48be6e5205b… |
| 192.12.212.0 – 192.12.212.255 | 256 | US |
allocated | 1986-02-20 | bb0be7e8aa73… |
| 192.12.213.0 – 192.12.213.255 | 256 | US |
allocated | 1986-02-20 | bb0be7e8aa73… |
| 192.12.211.0 – 192.12.211.255 | 256 | US |
allocated | 1986-02-19 | 9f14454567a6… |
| 128.111.0.0 – 128.111.255.255 | 65,536 | US |
allocated | 1986-02-18 | 82fd16eb4d7b… |
| 128.110.0.0 – 128.110.255.255 | 65,536 | US |
allocated | 1986-02-14 | ce48cbd2051d… |
| 192.12.205.0 – 192.12.205.255 | 256 | US |
allocated | 1986-02-13 | de86b6deb5d9… |
| 192.12.206.0 – 192.12.206.255 | 256 | US |
allocated | 1986-02-13 | 6130c4b96fdd… |
| 192.12.207.0 – 192.12.207.255 | 256 | US |
allocated | 1986-02-13 | abca6759f071… |
| 128.107.0.0 – 128.107.255.255 | 65,536 | US |
allocated | 1986-02-05 | 6f69b4fbc4a7… |
| 128.109.0.0 – 128.109.255.255 | 65,536 | US |
allocated | 1986-02-05 | 3926e0967b7c… |
| 128.105.0.0 – 128.105.255.255 | 65,536 | US |
allocated | 1986-02-04 | 232ce3d44911… |
| 192.12.197.0 – 192.12.197.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.198.0 – 192.12.198.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.199.0 – 192.12.199.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.200.0 – 192.12.200.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.201.0 – 192.12.201.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.202.0 – 192.12.202.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.203.0 – 192.12.203.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 192.12.204.0 – 192.12.204.255 | 256 | US |
allocated | 1986-02-03 | 2784ce9dbeb2… |
| 128.103.0.0 – 128.103.255.255 | 65,536 | US |
allocated | 1986-01-29 | 2c8438ff5e93… |
| 128.104.0.0 – 128.104.255.255 | 65,536 | US |
allocated | 1986-01-29 | 232ce3d44911… |
| 128.102.0.0 – 128.102.255.255 | 65,536 | US |
allocated | 1986-01-24 | 2d90cbf4f78e… |
| 128.95.0.0 – 128.95.255.255 | 65,536 | US |
allocated | 1986-01-13 | 57de9c13c3e4… |
| 192.12.185.0 – 192.12.185.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.186.0 – 192.12.186.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.187.0 – 192.12.187.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.188.0 – 192.12.188.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.189.0 – 192.12.189.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.190.0 – 192.12.190.255 | 256 | US |
allocated | 1986-01-13 | e553a0a4bf12… |
| 192.12.191.0 – 192.12.191.255 | 256 | US |
allocated | 1986-01-13 | ff69f51fa71c… |
| 192.12.195.0 – 192.12.195.255 | 256 | US |
allocated | 1986-01-13 | 0bbf82d5f73b… |
| 128.99.0.0 – 128.99.255.255 | 65,536 | US |
allocated | 1986-01-09 | a1e3d1ccef81… |
| 128.100.0.0 – 128.100.255.255 | 65,536 |  CA |
allocated | 1986-01-09 | ab0b04510ace… |
| 128.101.0.0 – 128.101.255.255 | 65,536 | US |
allocated | 1986-01-09 | 252351fbc17c… |
| 192.5.135.0 – 192.5.135.255 | 256 | US |
allocated | 1985-12-23 | 9b41255c6e4f… |
| 192.5.136.0 – 192.5.139.255 | 1,024 | US |
allocated | 1985-12-23 | 9b41255c6e4f… |
| 192.5.140.0 – 192.5.141.255 | 512 | US |
allocated | 1985-12-23 | 9b41255c6e4f… |
| 192.12.184.0 – 192.12.184.255 | 256 | US |
allocated | 1985-12-18 | d36aed7aeb09… |
| 192.5.134.0 – 192.5.134.255 | 256 | US |
allocated | 1985-12-12 | 6af3dbdad10c… |
| 192.12.174.0 – 192.12.175.255 | 512 | CA |
allocated | 1985-12-02 | ab0b04510ace… |
| 192.12.176.0 – 192.12.183.255 | 2,048 | CA |
allocated | 1985-12-02 | ab0b04510ace… |
| 192.20.0.0 – 192.20.127.255 | 32,768 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.128.0 – 192.20.191.255 | 16,384 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.192.0 – 192.20.223.255 | 8,192 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.224.0 – 192.20.224.255 | 256 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.226.0 – 192.20.227.255 | 512 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.228.0 – 192.20.231.255 | 1,024 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.232.0 – 192.20.235.255 | 1,024 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.236.0 – 192.20.237.255 | 512 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.238.0 – 192.20.238.255 | 256 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.20.239.0 – 192.20.239.255 | 256 | US |
allocated | 1985-11-27 | 84b0140897a5… |
| 192.20.240.0 – 192.20.255.255 | 4,096 | US |
allocated | 1985-11-27 | 7347b13c724c… |
| 192.19.0.0 – 192.19.255.255 | 65,536 | US |
allocated | 1985-11-18 | 399da38fd3d4… |
| 192.12.171.0 – 192.12.171.255 | 256 | US |
allocated | 1985-11-14 | 45fe880b68a8… |
| 128.97.0.0 – 128.97.255.255 | 65,536 | US |
allocated | 1985-11-11 | 4fd07590de28… |
| 192.5.133.0 – 192.5.133.255 | 256 | US |
allocated | 1985-11-11 | 525171dde1d1… |
| 192.12.145.0 – 192.12.145.255 | 256 | US |
allocated | 1985-11-05 | b932558eb528… |
| 192.12.150.0 – 192.12.151.255 | 512 | US |
allocated | 1985-11-05 | b932558eb528… |
| 192.12.152.0 – 192.12.153.255 | 512 | US |
allocated | 1985-11-05 | b932558eb528… |
| 128.96.0.0 – 128.96.255.255 | 65,536 | US |
allocated | 1985-11-04 | 41d606401cb6… |
| 192.5.100.0 – 192.5.100.255 | 256 | US |
allocated | 1985-11-01 | 64d5354b3ebf… |
| 192.12.142.0 – 192.12.142.255 | 256 | US |
allocated | 1985-10-30 | df60bf18efe7… |
| 192.12.143.0 – 192.12.143.255 | 256 | US |
allocated | 1985-10-30 | df60bf18efe7… |
| 192.12.141.0 – 192.12.141.255 | 256 | US |
allocated | 1985-10-23 | 0b4c396f0b41… |
| 192.12.129.0 – 192.12.129.255 | 256 | CA |
allocated | 1985-10-21 | 8fc5a0642a90… |
| 192.12.132.0 – 192.12.132.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.133.0 – 192.12.133.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.134.0 – 192.12.134.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.135.0 – 192.12.135.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.136.0 – 192.12.136.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.137.0 – 192.12.137.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.138.0 – 192.12.138.255 | 256 | US |
allocated | 1985-10-15 | 2be2a0b0a861… |
| 192.12.140.0 – 192.12.140.255 | 256 | US |
allocated | 1985-10-15 | 199602be8669… |
| 192.12.139.0 – 192.12.139.255 | 256 | US |
allocated | 1985-10-10 | 45fe880b68a8… |
| 192.12.125.0 – 192.12.125.255 | 256 | US |
allocated | 1985-10-03 | 45fe880b68a8… |
| 192.12.126.0 – 192.12.126.255 | 256 | US |
allocated | 1985-10-03 | 45fe880b68a8… |
| 192.12.127.0 – 192.12.127.255 | 256 | US |
allocated | 1985-10-03 | 9b41255c6e4f… |
| 192.12.11.0 – 192.12.11.255 | 256 | US |
allocated | 1985-09-27 | d98c567cda2d… |
| 192.12.123.0 – 192.12.123.255 | 256 | US |
allocated | 1985-09-20 | 2d90cbf4f78e… |
| 192.12.124.0 – 192.12.124.255 | 256 | US |
allocated | 1985-09-20 | 45fe880b68a8… |
| 128.91.0.0 – 128.91.255.255 | 65,536 | US |
allocated | 1985-09-18 | f56754654451… |
| 192.12.121.0 – 192.12.121.255 | 256 | US |
allocated | 1985-09-18 | c51d02ec525f… |
| 192.12.122.0 – 192.12.122.255 | 256 | US |
allocated | 1985-09-18 | c51d02ec525f… |
| 192.5.89.0 – 192.5.89.255 | 256 | US |
allocated | 1985-09-16 | 2c8438ff5e93… |
| 192.5.114.0 – 192.5.114.255 | 256 | US |
allocated | 1985-09-09 | 6af3dbdad10c… |
| 192.5.115.0 – 192.5.115.255 | 256 | US |
allocated | 1985-09-09 | 6af3dbdad10c… |
| 192.5.116.0 – 192.5.119.255 | 1,024 | US |
allocated | 1985-09-09 | 45fe880b68a8… |
| 192.5.120.0 – 192.5.127.255 | 2,048 | US |
allocated | 1985-09-09 | 45fe880b68a8… |
| 192.5.128.0 – 192.5.131.255 | 1,024 | US |
allocated | 1985-09-09 | 45fe880b68a8… |