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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 137.207.0.0 – 137.207.255.255 | 65,536 |  CA |
allocated | 1990-01-03 | 58730c51e70b… |
| 192.67.41.0 – 192.67.41.255 | 256 |  US |
allocated | 1990-01-03 | 896554fed40d… |
| 192.67.42.0 – 192.67.42.255 | 256 | US |
allocated | 1990-01-03 | 896554fed40d… |
| 192.67.44.0 – 192.67.44.255 | 256 | US |
allocated | 1990-01-03 | a75a17895471… |
| 192.67.45.0 – 192.67.45.255 | 256 | CA |
allocated | 1990-01-03 | 84344661f626… |
| 192.67.46.0 – 192.67.46.255 | 256 | US |
allocated | 1990-01-03 | bdf63ab6a081… |
| 192.67.48.0 – 192.67.48.255 | 256 | US |
allocated | 1990-01-03 | 58bab9bfa223… |
| 192.67.49.0 – 192.67.49.255 | 256 | US |
allocated | 1990-01-03 | 5c4dafa5b6a2… |
| 199.10.33.0 – 199.10.33.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.34.0 – 199.10.35.255 | 512 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.121.0 – 199.10.121.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.122.0 – 199.10.122.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.124.0 – 199.10.124.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 137.164.0.0 – 137.164.255.255 | 65,536 | US |
allocated | 1989-12-21 | dc1fa9b5e33a… |
| 137.190.0.0 – 137.190.255.255 | 65,536 | US |
allocated | 1989-12-21 | f74513ceb93e… |
| 137.192.0.0 – 137.192.255.255 | 65,536 | US |
allocated | 1989-12-21 | f9bdc9d330fa… |
| 143.44.0.0 – 143.44.127.255 | 32,768 | US |
allocated | 1989-12-21 | 3d371de3237b… |
| 192.67.11.0 – 192.67.11.255 | 256 | US |
allocated | 1989-12-21 | 5942bda53f50… |
| 192.67.22.0 – 192.67.22.255 | 256 | US |
allocated | 1989-12-21 | d7c40d04f568… |
| 192.68.25.0 – 192.68.25.255 | 256 | US |
allocated | 1989-12-21 | a3adae12f224… |
| 192.68.26.0 – 192.68.26.255 | 256 | US |
allocated | 1989-12-21 | 91f349d2878d… |
| 192.68.28.0 – 192.68.28.255 | 256 | US |
allocated | 1989-12-21 | 6af3dbdad10c… |
| 192.68.30.0 – 192.68.30.255 | 256 | US |
allocated | 1989-12-21 | d86414f13835… |
| 137.167.0.0 – 137.167.255.255 | 65,536 | US |
allocated | 1989-12-18 | acfc4932ac54… |
| 137.176.0.0 – 137.183.255.255 | 524,288 | US |
allocated | 1989-12-18 | 0dc6694c14a3… |
| 137.185.0.0 – 137.185.255.255 | 65,536 | US |
allocated | 1989-12-18 | 0dc6694c14a3… |
| 137.188.0.0 – 137.188.255.255 | 65,536 | US |
allocated | 1989-12-18 | e220ed812a4c… |
| 192.67.15.0 – 192.67.15.255 | 256 | US |
allocated | 1989-12-18 | 19bcfab17635… |
| 192.67.17.0 – 192.67.17.255 | 256 | US |
allocated | 1989-12-18 | ed5970f7b761… |
| 192.67.18.0 – 192.67.18.255 | 256 | US |
allocated | 1989-12-18 | aa93533cdab8… |
| 192.67.19.0 – 192.67.19.255 | 256 | US |
allocated | 1989-12-18 | e6a448d89193… |
| 192.67.20.0 – 192.67.20.255 | 256 | US |
allocated | 1989-12-18 | 69c2bd3bb7cc… |
| 192.67.21.0 – 192.67.21.255 | 256 | US |
allocated | 1989-12-18 | 69c2bd3bb7cc… |
| 137.168.0.0 – 137.168.255.255 | 65,536 | US |
allocated | 1989-12-13 | 47cbe36c0806… |
| 137.169.0.0 – 137.169.255.255 | 65,536 | US |
allocated | 1989-12-13 | 9b40a13ef799… |
| 137.173.0.0 – 137.173.255.255 | 65,536 | US |
allocated | 1989-12-13 | 7c272239f8f0… |
| 137.187.0.0 – 137.187.255.255 | 65,536 | US |
allocated | 1989-12-13 | bf415d4b2902… |
| 159.230.0.0 – 159.230.255.255 | 65,536 | US |
allocated | 1989-12-13 | f952aecf2b50… |
| 192.65.251.0 – 192.65.251.255 | 256 | US |
allocated | 1989-12-13 | 0dda073ae6fa… |
| 192.65.253.0 – 192.65.253.255 | 256 | US |
allocated | 1989-12-13 | 2f7a58f67c35… |
| 192.65.254.0 – 192.65.254.255 | 256 | US |
allocated | 1989-12-13 | ff99f95b5440… |
| 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… |