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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 143.194.0.0 – 143.194.255.255 | 65,536 |  US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 143.195.0.0 – 143.195.127.255 | 32,768 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.195.128.0 – 143.195.191.255 | 16,384 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.195.192.0 – 143.195.223.255 | 8,192 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.197.0.0 – 143.197.255.255 | 65,536 | US |
allocated | 1990-10-08 | 6785f19fe8e1… |
| 143.199.0.0 – 143.199.255.255 | 65,536 | US |
allocated | 1990-10-08 | 3a44e641f183… |
| 143.200.0.0 – 143.200.255.255 | 65,536 | US |
allocated | 1990-10-08 | e2ff6ac87881… |
| 143.207.0.0 – 143.207.255.255 | 65,536 | US |
allocated | 1990-10-08 | dec63932d08b… |
| 192.76.238.0 – 192.76.238.255 | 256 | US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 192.76.239.0 – 192.76.239.255 | 256 | US |
allocated | 1990-10-08 | 6ec97821770c… |
| 192.76.249.0 – 192.76.249.255 | 256 | US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 192.83.244.0 – 192.83.244.255 | 256 | US |
allocated | 1990-10-08 | 7ccbb03cb795… |
| 192.83.246.0 – 192.83.246.255 | 256 | US |
allocated | 1990-10-08 | 71ccf4794c4a… |
| 192.83.247.0 – 192.83.247.255 | 256 |  CA |
allocated | 1990-10-08 | c8bae1572cdf… |
| 192.83.248.0 – 192.83.248.255 | 256 | US |
allocated | 1990-10-08 | 7fd4891ea3d3… |
| 192.83.249.0 – 192.83.249.255 | 256 | US |
allocated | 1990-10-08 | 493d713a4e7f… |
| 192.83.250.0 – 192.83.250.255 | 256 | US |
allocated | 1990-10-08 | 180c6c3f413d… |
| 192.83.251.0 – 192.83.251.255 | 256 | US |
allocated | 1990-10-08 | d7c40d04f568… |
| 192.83.252.0 – 192.83.252.255 | 256 | US |
allocated | 1990-10-08 | b685007a3aa4… |
| 192.83.253.0 – 192.83.253.255 | 256 | US |
allocated | 1990-10-08 | 6ec97821770c… |
| 192.84.2.0 – 192.84.2.255 | 256 | US |
allocated | 1990-10-08 | f56754654451… |
| 192.84.3.0 – 192.84.3.255 | 256 | US |
allocated | 1990-10-08 | 37fe01d6d027… |
| 192.184.4.0 – 192.184.4.255 | 256 | US |
allocated | 1990-10-08 | 61457436058b… |
| 144.11.0.0 – 144.11.255.255 | 65,536 | US |
allocated | 1990-10-06 | 45fe880b68a8… |
| 143.175.0.0 – 143.175.255.255 | 65,536 | US |
allocated | 1990-10-01 | 45fe880b68a8… |
| 143.181.0.0 – 143.181.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.182.0.0 – 143.182.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.183.0.0 – 143.183.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.184.0.0 – 143.184.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.185.0.0 – 143.185.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.186.0.0 – 143.186.255.255 | 65,536 | US |
allocated | 1990-10-01 | f3adb3b4e2d9… |
| 143.187.0.0 – 143.187.255.255 | 65,536 | US |
allocated | 1990-10-01 | 4523c8a3e074… |
| 143.190.0.0 – 143.190.255.255 | 65,536 | US |
allocated | 1990-10-01 | 81e05477cc28… |
| 143.192.0.0 – 143.192.63.255 | 16,384 | US |
allocated | 1990-10-01 | cec73ddeaf87… |
| 143.192.64.0 – 143.192.95.255 | 8,192 | US |
allocated | 1990-10-01 | cec73ddeaf87… |
| 192.83.226.0 – 192.83.226.255 | 256 | US |
allocated | 1990-10-01 | 261cc2c12883… |
| 192.83.227.0 – 192.83.227.255 | 256 | US |
allocated | 1990-10-01 | 261cc2c12883… |
| 192.83.228.0 – 192.83.228.255 | 256 | US |
allocated | 1990-10-01 | 5ba740ddd1b9… |
| 192.83.232.0 – 192.83.232.255 | 256 | US |
allocated | 1990-10-01 | 0d446903db56… |
| 192.83.233.0 – 192.83.233.255 | 256 | US |
allocated | 1990-10-01 | 1403730cfc4d… |
| 192.83.234.0 – 192.83.234.255 | 256 | US |
allocated | 1990-10-01 | dd219c2b28a7… |
| 192.83.235.0 – 192.83.235.255 | 256 | US |
allocated | 1990-10-01 | 67e3f58a3755… |
| 192.83.236.0 – 192.83.236.255 | 256 | US |
allocated | 1990-10-01 | ba4db3db7286… |
| 143.159.0.0 – 143.159.255.255 | 65,536 | US |
allocated | 1990-09-26 | 551b723eafd6… |
| 143.162.0.0 – 143.162.255.255 | 65,536 | US |
allocated | 1990-09-26 | f21130892698… |
| 143.166.0.0 – 143.166.255.255 | 65,536 | US |
allocated | 1990-09-26 | 4cb61b484442… |
| 192.83.220.0 – 192.83.220.255 | 256 | US |
allocated | 1990-09-26 | 035088107359… |
| 192.83.221.0 – 192.83.221.255 | 256 | US |
allocated | 1990-09-26 | edf48f2de613… |
| 142.2.0.0 – 142.2.255.255 | 65,536 | CA |
allocated | 1990-09-21 | c8bae1572cdf… |
| 143.139.0.0 – 143.139.255.255 | 65,536 | US |
allocated | 1990-09-21 | 45fe880b68a8… |
| 143.140.0.0 – 143.143.255.255 | 262,144 | US |
allocated | 1990-09-21 | 45fe880b68a8… |
| 143.144.0.0 – 143.151.255.255 | 524,288 | US |
allocated | 1990-09-21 | 45fe880b68a8… |
| 143.152.0.0 – 143.155.255.255 | 262,144 | US |
allocated | 1990-09-21 | 45fe880b68a8… |
| 143.156.0.0 – 143.157.255.255 | 131,072 | US |
allocated | 1990-09-21 | 45fe880b68a8… |
| 192.75.15.0 – 192.75.15.255 | 256 | CA |
allocated | 1990-09-21 | c8bae1572cdf… |
| 192.75.16.0 – 192.75.16.255 | 256 | CA |
allocated | 1990-09-21 | fb5705c59e46… |
| 192.75.17.0 – 192.75.17.255 | 256 | CA |
allocated | 1990-09-21 | 84344661f626… |
| 192.75.18.0 – 192.75.18.255 | 256 | CA |
allocated | 1990-09-21 | a6ac7d93025e… |
| 192.75.19.0 – 192.75.19.255 | 256 | US |
allocated | 1990-09-21 | ace55d4dc090… |
| 143.138.0.0 – 143.138.255.255 | 65,536 | US |
allocated | 1990-09-20 | 45fe880b68a8… |
| 192.76.187.0 – 192.76.187.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.188.0 – 192.76.191.255 | 1,024 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.192.0 – 192.76.223.255 | 8,192 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.224.0 – 192.76.227.255 | 1,024 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.228.0 – 192.76.228.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.229.0 – 192.76.229.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.230.0 – 192.76.230.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.231.0 – 192.76.231.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.232.0 – 192.76.235.255 | 1,024 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.236.0 – 192.76.236.255 | 256 | US |
allocated | 1990-09-20 | e1ed1885c9ce… |
| 192.76.237.0 – 192.76.237.255 | 256 | US |
allocated | 1990-09-20 | 45fe880b68a8… |
| 143.122.0.0 – 143.122.255.255 | 65,536 | US |
allocated | 1990-09-19 | 90e3fd9fd5f7… |
| 143.123.0.0 – 143.123.255.255 | 65,536 | US |
allocated | 1990-09-19 | 45fe880b68a8… |
| 143.124.0.0 – 143.124.255.255 | 65,536 | US |
allocated | 1990-09-19 | 45fe880b68a8… |
| 143.127.0.0 – 143.127.255.255 | 65,536 | US |
allocated | 1990-09-19 | 9bae944cc155… |
| 143.131.16.0 – 143.131.31.255 | 4,096 | US |
allocated | 1990-09-19 | d73ee5c79e16… |
| 143.131.32.0 – 143.131.63.255 | 8,192 | US |
allocated | 1990-09-19 | d73ee5c79e16… |
| 143.131.64.0 – 143.131.127.255 | 16,384 | US |
allocated | 1990-09-19 | d73ee5c79e16… |
| 143.131.128.0 – 143.131.159.255 | 8,192 | US |
allocated | 1990-09-19 | d73ee5c79e16… |
| 143.132.0.0 – 143.132.255.255 | 65,536 | US |
allocated | 1990-09-19 | c69fc9ca7000… |
| 143.133.0.0 – 143.133.255.255 | 65,536 | US |
allocated | 1990-09-19 | 45fe880b68a8… |
| 143.134.0.0 – 143.134.255.255 | 65,536 | US |
allocated | 1990-09-19 | 45fe880b68a8… |
| 147.225.0.0 – 147.225.255.255 | 65,536 | US |
allocated | 1990-09-19 | e220ed812a4c… |
| 192.76.175.0 – 192.76.175.255 | 256 | US |
allocated | 1990-09-19 | 0ae3de01671f… |
| 192.76.177.0 – 192.76.177.255 | 256 | US |
allocated | 1990-09-19 | 0af65ed62b72… |
| 192.76.178.0 – 192.76.178.255 | 256 | US |
allocated | 1990-09-19 | 187e6bf4d106… |
| 192.76.179.0 – 192.76.179.255 | 256 | US |
allocated | 1990-09-19 | 634a8f3a2e3a… |
| 192.76.181.0 – 192.76.181.255 | 256 | US |
allocated | 1990-09-19 | 4a67db8a65eb… |
| 192.76.182.0 – 192.76.182.255 | 256 | US |
allocated | 1990-09-19 | b2b55a14c0d1… |
| 192.76.183.0 – 192.76.183.255 | 256 | US |
allocated | 1990-09-19 | ea1c4d3621f5… |
| 192.76.184.0 – 192.76.184.255 | 256 | US |
allocated | 1990-09-19 | 7c8bc813c402… |
| 192.76.186.0 – 192.76.186.255 | 256 | US |
allocated | 1990-09-19 | 171b1cdff261… |
| 192.83.197.0 – 192.83.197.255 | 256 | US |
allocated | 1990-09-19 | f4b6e7820d9e… |
| 192.83.199.0 – 192.83.199.255 | 256 | US |
allocated | 1990-09-19 | 08605d032c50… |
| 192.83.203.0 – 192.83.203.255 | 256 | US |
allocated | 1990-09-19 | 45fe880b68a8… |
| 192.83.204.0 – 192.83.204.255 | 256 | US |
allocated | 1990-09-19 | 799465c1b878… |
| 192.83.206.0 – 192.83.206.255 | 256 | US |
allocated | 1990-09-19 | 01ded2cfbf92… |
| 143.112.0.0 – 143.112.255.255 | 65,536 | US |
allocated | 1990-09-17 | 5d245b14d2ec… |
| 143.113.0.0 – 143.113.255.255 | 65,536 | US |
allocated | 1990-09-17 | 45fe880b68a8… |
| 143.114.0.0 – 143.114.255.255 | 65,536 | US |
allocated | 1990-09-17 | 0596821a6910… |