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
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.67.8.0 – 192.67.8.255 | 256 |  US |
allocated | 1989-12-13 | 45fe880b68a8… |
| 137.155.0.0 – 137.155.255.255 | 65,536 | US |
allocated | 1989-12-12 | 25e49294402b… |
| 137.159.0.0 – 137.159.255.255 | 65,536 | US |
allocated | 1989-12-12 | 20c8c0896719… |
| 137.165.0.0 – 137.165.255.255 | 65,536 | US |
allocated | 1989-12-12 | b7d5c60faea7… |
| 137.170.0.0 – 137.170.255.255 | 65,536 | US |
allocated | 1989-12-12 | 3175a5dafc50… |
| 137.186.0.0 – 137.186.255.255 | 65,536 |  CA |
allocated | 1989-12-12 | 0e702695cc8d… |
| 192.65.215.0 – 192.65.215.255 | 256 | US |
allocated | 1989-12-12 | f075044c5bc8… |
| 192.65.218.0 – 192.65.218.255 | 256 | US |
allocated | 1989-12-12 | f2e560352988… |
| 192.65.244.0 – 192.65.244.255 | 256 | US |
allocated | 1989-12-12 | 45fe880b68a8… |
| 192.65.245.0 – 192.65.245.255 | 256 | US |
allocated | 1989-12-12 | 77ce6fcb1204… |
| 192.65.246.0 – 192.65.246.255 | 256 | US |
allocated | 1989-12-12 | 45fe880b68a8… |
| 192.67.9.0 – 192.67.9.255 | 256 | CA |
allocated | 1989-12-12 | b764959acfe6… |
| 137.151.0.0 – 137.151.255.255 | 65,536 | US |
allocated | 1989-12-06 | 0d81e0bd2f0d… |
| 137.152.0.0 – 137.152.255.255 | 65,536 | US |
allocated | 1989-12-06 | 20b7f6ed9b26… |
| 138.10.0.0 – 138.10.255.255 | 65,536 | CA |
allocated | 1989-12-06 | 16a65779a0b3… |
| 192.65.203.0 – 192.65.203.255 | 256 | US |
allocated | 1989-12-06 | 45fe880b68a8… |
| 192.65.204.0 – 192.65.207.255 | 1,024 | US |
allocated | 1989-12-06 | 683598f431cf… |
| 192.65.208.0 – 192.65.209.255 | 512 | US |
allocated | 1989-12-06 | 683598f431cf… |
| 192.65.210.0 – 192.65.210.255 | 256 | US |
allocated | 1989-12-06 | 683598f431cf… |
| 192.65.211.0 – 192.65.211.255 | 256 | US |
allocated | 1989-12-06 | 2e99b8fe5c63… |
| 137.149.0.0 – 137.149.255.255 | 65,536 | CA |
allocated | 1989-12-03 | a00d92174021… |
| 137.150.0.0 – 137.150.255.255 | 65,536 | US |
allocated | 1989-12-03 | d981942376a5… |
| 137.148.0.0 – 137.148.255.255 | 65,536 | US |
allocated | 1989-12-01 | b5ed821d48f0… |
| 137.144.0.0 – 137.144.255.255 | 65,536 | US |
allocated | 1989-11-30 | 66defc41fc95… |
| 137.145.0.0 – 137.145.255.255 | 65,536 | US |
allocated | 1989-11-30 | 1b2d5161c716… |
| 137.146.0.0 – 137.146.255.255 | 65,536 | US |
allocated | 1989-11-30 | 9c917e8a9607… |
| 192.65.198.0 – 192.65.198.255 | 256 | US |
allocated | 1989-11-30 | 2d90cbf4f78e… |
| 192.65.199.0 – 192.65.199.255 | 256 | US |
allocated | 1989-11-30 | 2d90cbf4f78e… |
| 192.65.200.0 – 192.65.200.255 | 256 | US |
allocated | 1989-11-30 | 69c2bd3bb7cc… |
| 192.65.201.0 – 192.65.201.255 | 256 | US |
allocated | 1989-11-30 | 3a3dfe26924f… |
| 137.134.0.0 – 137.134.255.255 | 65,536 | US |
allocated | 1989-11-29 | 13816cc069cd… |
| 137.136.0.0 – 137.136.255.255 | 65,536 | US |
allocated | 1989-11-29 | e1ed1885c9ce… |
| 137.137.0.0 – 137.137.255.255 | 65,536 | US |
allocated | 1989-11-29 | e1ed1885c9ce… |
| 137.139.0.0 – 137.139.255.255 | 65,536 | US |
allocated | 1989-11-29 | 6add7df67f85… |
| 137.140.0.0 – 137.140.255.255 | 65,536 | US |
allocated | 1989-11-29 | d828cbb72c9f… |
| 137.141.0.0 – 137.141.255.255 | 65,536 | US |
allocated | 1989-11-29 | 190b7f62d90c… |
| 137.142.0.0 – 137.142.255.255 | 65,536 | US |
allocated | 1989-11-29 | a181e242cb7b… |
| 137.143.0.0 – 137.143.255.255 | 65,536 | US |
allocated | 1989-11-29 | b2966a9a7f4f… |
| 192.65.179.0 – 192.65.179.255 | 256 | US |
allocated | 1989-11-29 | a9d43119e89e… |
| 192.65.180.0 – 192.65.180.255 | 256 | US |
allocated | 1989-11-29 | ce4223709b54… |
| 137.126.0.0 – 137.126.255.255 | 65,536 | US |
allocated | 1989-11-28 | 45fe880b68a8… |
| 137.127.0.0 – 137.127.255.255 | 65,536 | US |
allocated | 1989-11-28 | 45fe880b68a8… |
| 137.128.0.0 – 137.128.255.255 | 65,536 | US |
allocated | 1989-11-28 | 45fe880b68a8… |
| 137.130.0.0 – 137.130.255.255 | 65,536 | US |
allocated | 1989-11-28 | 45fe880b68a8… |
| 192.65.175.0 – 192.65.175.255 | 256 | US |
allocated | 1989-11-28 | 7ddabc244c36… |
| 192.65.176.0 – 192.65.176.255 | 256 |  PR |
allocated | 1989-11-28 | 15646009ba24… |
| 192.65.177.0 – 192.65.177.255 | 256 | US |
allocated | 1989-11-28 | ffd67fadfdd4… |
| 137.122.0.0 – 137.122.255.255 | 65,536 | CA |
allocated | 1989-11-27 | 49b8794c09d6… |
| 137.123.0.0 – 137.123.255.255 | 65,536 | US |
allocated | 1989-11-27 | c89e448f672e… |
| 137.124.0.0 – 137.124.255.255 | 65,536 | US |
allocated | 1989-11-27 | 483c5e3a4f07… |
| 137.125.0.0 – 137.125.255.255 | 65,536 | US |
allocated | 1989-11-27 | c6aca81373a0… |
| 192.65.171.0 – 192.65.171.255 | 256 | US |
allocated | 1989-11-27 | 5bf794d3c944… |
| 192.65.173.0 – 192.65.173.255 | 256 | US |
allocated | 1989-11-27 | 58bab9bfa223… |
| 192.65.174.0 – 192.65.174.255 | 256 | US |
allocated | 1989-11-27 | e19f895a060d… |
| 137.118.0.0 – 137.118.255.255 | 65,536 | US |
allocated | 1989-11-21 | 320625f275e7… |
| 137.119.0.0 – 137.119.255.255 | 65,536 | US |
allocated | 1989-11-21 | 320625f275e7… |
| 137.112.0.0 – 137.112.255.255 | 65,536 | US |
allocated | 1989-11-20 | 83faa81e465c… |
| 137.113.0.0 – 137.113.255.255 | 65,536 | US |
allocated | 1989-11-20 | cc4241472ae5… |
| 192.65.147.0 – 192.65.147.255 | 256 | US |
allocated | 1989-11-20 | 45fe880b68a8… |
| 192.65.149.0 – 192.65.149.255 | 256 | US |
allocated | 1989-11-20 | 8d8b16632029… |
| 192.65.150.0 – 192.65.150.255 | 256 | US |
allocated | 1989-11-20 | e220ed812a4c… |
| 192.65.151.0 – 192.65.151.255 | 256 | US |
allocated | 1989-11-20 | 27a72a8aaac5… |
| 137.110.0.0 – 137.110.255.255 | 65,536 | US |
allocated | 1989-11-17 | 1f9a298d8ca9… |
| 192.65.142.0 – 192.65.142.255 | 256 | US |
allocated | 1989-11-17 | 8bba5f73e3f9… |
| 192.65.143.0 – 192.65.143.255 | 256 | US |
allocated | 1989-11-17 | f3c851a0425c… |
| 137.104.0.0 – 137.104.255.255 | 65,536 | US |
allocated | 1989-11-16 | 37165ff00d75… |
| 137.106.0.0 – 137.106.255.255 | 65,536 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 137.107.0.0 – 137.107.255.255 | 65,536 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 192.65.137.0 – 192.65.137.255 | 256 | US |
allocated | 1989-11-16 | 1afc31d77478… |
| 192.65.140.0 – 192.65.140.255 | 256 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 137.98.0.0 – 137.98.255.255 | 65,536 |  CZ |
allocated | 1989-11-15 | 44fffeebf295… |
| 137.99.0.0 – 137.99.255.255 | 65,536 | US |
allocated | 1989-11-15 | 3c94a231624b… |
| 137.100.0.0 – 137.100.255.255 | 65,536 | US |
allocated | 1989-11-15 | d3cc487da4a3… |
| 137.102.0.0 – 137.102.255.255 | 65,536 | US |
allocated | 1989-11-15 | 1e8f556759f4… |
| 192.65.136.0 – 192.65.136.255 | 256 | US |
allocated | 1989-11-15 | 79446f5ee8ba… |
| 137.95.0.0 – 137.95.255.255 | 65,536 | US |
allocated | 1989-11-14 | 45fe880b68a8… |
| 137.94.0.0 – 137.94.255.255 | 65,536 | CA |
allocated | 1989-11-13 | c7d7a9714b4b… |
| 192.65.99.0 – 192.65.99.255 | 256 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.100.0 – 192.65.103.255 | 1,024 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.104.0 – 192.65.111.255 | 2,048 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.112.0 – 192.65.127.255 | 4,096 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.128.0 – 192.65.128.255 | 256 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.129.0 – 192.65.129.255 | 256 | US |
allocated | 1989-11-13 | a6ca764f1d07… |
| 137.84.0.0 – 137.87.255.255 | 262,144 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.88.0.0 – 137.89.255.255 | 131,072 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.90.0.0 – 137.90.255.255 | 65,536 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.91.0.0 – 137.91.255.255 | 65,536 | US |
allocated | 1989-11-10 | ae0bb3d8e77e… |
| 192.65.98.0 – 192.65.98.255 | 256 | US |
allocated | 1989-11-10 | b233d826f439… |
| 192.67.67.0 – 192.67.67.255 | 256 | US |
allocated | 1989-11-10 | 2784ce9dbeb2… |
| 137.81.0.0 – 137.81.255.255 | 65,536 | US |
allocated | 1989-11-09 | 5e4fcac80cef… |
| 137.82.0.0 – 137.82.255.255 | 65,536 | CA |
allocated | 1989-11-09 | 9bb228eab533… |
| 192.65.97.0 – 192.65.97.255 | 256 | US |
allocated | 1989-11-09 | e0fe2ec75f7e… |
| 137.77.0.0 – 137.77.255.255 | 65,536 | US |
allocated | 1989-11-08 | 773757be2a20… |
| 137.78.0.0 – 137.78.255.255 | 65,536 | US |
allocated | 1989-11-08 | 2d90cbf4f78e… |
| 137.79.0.0 – 137.79.255.255 | 65,536 | US |
allocated | 1989-11-08 | 2d90cbf4f78e… |
| 137.80.0.0 – 137.80.255.255 | 65,536 | US |
allocated | 1989-11-08 | 45fe880b68a8… |
| 192.65.95.0 – 192.65.95.255 | 256 | US |
allocated | 1989-11-08 | d36aed7aeb09… |
| 137.75.0.0 – 137.75.63.255 | 16,384 | US |
allocated | 1989-11-07 | 634c0b076f4e… |
| 137.75.64.0 – 137.75.127.255 | 16,384 | US |
allocated | 1989-11-07 | 2fc72c3bfb52… |
| 137.75.128.0 – 137.75.255.255 | 32,768 | US |
allocated | 1989-11-07 | 634c0b076f4e… |