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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 128.126.0.0 – 128.126.255.255 | 65,536 |  US |
allocated | 1986-05-15 | a12e55d2321e… |
| 192.5.204.0 – 192.5.204.255 | 256 |  CA |
allocated | 1986-05-15 | 1310e465c52c… |
| 128.122.0.0 – 128.122.255.255 | 65,536 | US |
allocated | 1986-05-02 | 0af65ed62b72… |
| 13.0.0.0 – 13.15.255.255 | 1,048,576 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.16.0.0 – 13.23.255.255 | 524,288 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.129.0.0 – 13.129.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.131.0.0 – 13.131.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.132.0.0 – 13.133.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.136.0.0 – 13.139.255.255 | 262,144 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.145.0.0 – 13.145.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.147.0.0 – 13.147.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.148.0.0 – 13.149.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.153.0.0 – 13.153.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.155.0.0 – 13.155.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.156.0.0 – 13.157.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.161.0.0 – 13.161.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.163.0.0 – 13.163.255.255 | 65,536 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.164.0.0 – 13.165.255.255 | 131,072 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 13.252.0.0 – 13.255.255.255 | 262,144 | US |
allocated | 1986-04-25 | efe0f73dfd0d… |
| 192.5.202.0 – 192.5.202.255 | 256 | US |
allocated | 1986-04-24 | 2e26b7f1a404… |
| 192.5.167.0 – 192.5.167.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.168.0 – 192.5.168.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.169.0 – 192.5.169.255 | 256 | US |
allocated | 1986-04-21 | 6dd814657e30… |
| 192.5.170.0 – 192.5.171.255 | 512 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.172.0 – 192.5.175.255 | 1,024 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.176.0 – 192.5.191.255 | 4,096 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.192.0 – 192.5.199.255 | 2,048 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 192.5.200.0 – 192.5.201.255 | 512 | US |
allocated | 1986-04-21 | 56c4ac2185fc… |
| 128.170.0.0 – 128.170.255.255 | 65,536 | US |
allocated | 1986-04-17 | 6af3dbdad10c… |
| 192.5.165.0 – 192.5.165.255 | 256 | US |
allocated | 1986-04-17 | 24b237263b44… |
| 192.23.0.0 – 192.23.255.255 | 65,536 | US |
allocated | 1986-04-15 | 66defc41fc95… |
| 192.5.163.0 – 192.5.163.255 | 256 | US |
allocated | 1986-04-10 | 6af3dbdad10c… |
| 192.5.164.0 – 192.5.164.255 | 256 | US |
allocated | 1986-04-10 | d3cc487da4a3… |
| 128.120.0.0 – 128.120.255.255 | 65,536 | US |
allocated | 1986-04-04 | 537d25e9db76… |
| 128.119.0.0 – 128.119.255.255 | 65,536 | US |
allocated | 1986-04-03 | 8600d3e98608… |
| 128.118.0.0 – 128.118.255.255 | 65,536 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.157.0 – 192.5.157.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.158.0 – 192.5.158.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.159.0 – 192.5.159.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.160.0 – 192.5.160.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.161.0 – 192.5.161.255 | 256 | US |
allocated | 1986-03-31 | 702a0a91e242… |
| 192.5.150.0 – 192.5.150.255 | 256 | US |
allocated | 1986-03-28 | 79bef02c1c4b… |
| 192.5.146.0 – 192.5.146.255 | 256 | US |
allocated | 1986-03-27 | 859ff8395a14… |
| 192.5.148.0 – 192.5.148.255 | 256 | US |
allocated | 1986-03-27 | 45fe880b68a8… |
| 192.5.149.0 – 192.5.149.255 | 256 | US |
allocated | 1986-03-27 | 7c4ce264cca6… |
| 128.117.0.0 – 128.117.255.255 | 65,536 | US |
allocated | 1986-03-24 | 214dd09db2ca… |
| 192.5.143.0 – 192.5.143.255 | 256 | US |
allocated | 1986-03-19 | 03772d84e56b… |
| 192.5.144.0 – 192.5.144.255 | 256 | CA |
allocated | 1986-03-19 | c8bae1572cdf… |
| 192.12.252.0 – 192.12.252.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.253.0 – 192.12.253.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.254.0 – 192.12.254.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 192.12.255.0 – 192.12.255.255 | 256 | US |
allocated | 1986-03-14 | 9b41255c6e4f… |
| 128.115.0.0 – 128.115.255.255 | 65,536 | US |
allocated | 1986-03-13 | 2be2a0b0a861… |
| 192.12.238.0 – 192.12.238.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.239.0 – 192.12.239.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.240.0 – 192.12.240.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 192.12.241.0 – 192.12.241.255 | 256 | US |
allocated | 1986-03-11 | 1c2ac99a8bc8… |
| 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… |