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
1,644,513,536
📦
IPv4 networks
77,313
delegated blocks
🧭
IPv6 networks
11,586
delegated blocks
🔗
Autonomous systems
34,304
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 143.115.0.0 – 143.115.255.255 | 65,536 | US |
allocated | 1990-09-17 | 651f079f9d88… |
| 143.120.0.0 – 143.120.255.255 | 65,536 | US |
allocated | 1990-09-17 | b138562e6038… |
| 192.76.173.0 – 192.76.173.255 | 256 | US |
allocated | 1990-09-17 | 45fe880b68a8… |
| 192.76.174.0 – 192.76.174.255 | 256 | US |
allocated | 1990-09-17 | a5213b78144d… |
| 192.83.115.0 – 192.83.115.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.116.0 – 192.83.116.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.117.0 – 192.83.117.255 | 256 | US |
allocated | 1990-09-17 | 4a34b9f7ce6e… |
| 192.83.121.0 – 192.83.121.255 | 256 | CA |
allocated | 1990-09-17 | fe4868ab136f… |
| 192.83.158.0 – 192.83.158.255 | 256 | US |
allocated | 1990-09-17 | 7a1e75de3356… |
| 192.83.159.0 – 192.83.159.255 | 256 | US |
allocated | 1990-09-17 | 4f8fee35a7a0… |
| 192.83.161.0 – 192.83.161.255 | 256 | US |
allocated | 1990-09-17 | c27daad31e10… |
| 192.83.162.0 – 192.83.162.255 | 256 | US |
allocated | 1990-09-17 | 4b3e152c829c… |
| 192.83.163.0 – 192.83.163.255 | 256 | US |
allocated | 1990-09-17 | 35309917a8d2… |
| 143.88.0.0 – 143.88.255.255 | 65,536 | US |
allocated | 1990-09-07 | 015b561d70c6… |
| 143.91.0.0 – 143.91.255.255 | 65,536 | US |
allocated | 1990-09-07 | e220ed812a4c… |
| 143.95.0.0 – 143.95.255.255 | 65,536 | US |
allocated | 1990-09-07 | 8b74197c2fcb… |
| 143.98.0.0 – 143.98.255.255 | 65,536 | US |
allocated | 1990-09-07 | 500ee440e619… |
| 143.100.0.0 – 143.100.255.255 | 65,536 | US |
allocated | 1990-09-07 | 6b801139b520… |
| 192.83.101.0 – 192.83.101.255 | 256 | CA |
allocated | 1990-09-07 | 89c962f4c710… |
| 192.83.105.0 – 192.83.105.255 | 256 | US |
allocated | 1990-09-07 | 6e7fadb2942b… |
| 192.83.106.0 – 192.83.106.255 | 256 | US |
allocated | 1990-09-07 | 58bab9bfa223… |
| 192.83.108.0 – 192.83.108.255 | 256 | US |
allocated | 1990-09-07 | 0d93969c834e… |
| 192.83.109.0 – 192.83.109.255 | 256 | US |
allocated | 1990-09-07 | 88d01685b67f… |
| 192.83.111.0 – 192.83.111.255 | 256 | US |
allocated | 1990-09-07 | d7c40d04f568… |
| 192.83.114.0 – 192.83.114.255 | 256 | US |
allocated | 1990-09-07 | 45fe880b68a8… |
| 143.172.0.0 – 143.172.255.255 | 65,536 | US |
allocated | 1990-09-06 | 5f6095e5c918… |
| 143.55.0.0 – 143.55.15.255 | 4,096 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.80.0 – 143.55.81.255 | 512 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.155.0 – 143.55.155.255 | 256 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.156.0 – 143.55.159.255 | 1,024 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 143.55.160.0 – 143.55.175.255 | 4,096 | US |
allocated | 1990-08-28 | 956c2187c2eb… |
| 192.73.225.0 – 192.73.225.255 | 256 | US |
allocated | 1990-08-28 | 434022d58d08… |
| 192.73.227.0 – 192.73.227.255 | 256 | US |
allocated | 1990-08-28 | 4a5a6d4314a9… |
| 192.73.228.0 – 192.73.228.255 | 256 | US |
allocated | 1990-08-28 | fbfcff4433fd… |
| 192.73.230.0 – 192.73.230.255 | 256 | US |
allocated | 1990-08-28 | 20f3189433e4… |
| 192.73.231.0 – 192.73.231.255 | 256 | US |
allocated | 1990-08-28 | b9b2b8874e95… |
| 192.76.36.0 – 192.76.39.255 | 1,024 | US |
allocated | 1990-08-28 | e220ed812a4c… |
| 192.76.40.0 – 192.76.47.255 | 2,048 | US |
allocated | 1990-08-28 | e220ed812a4c… |