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 |
|---|---|---|---|---|---|
| 192.91.122.0 – 192.91.122.255 | 256 |  US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.123.0 – 192.91.123.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.124.0 – 192.91.124.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.125.0 – 192.91.125.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.126.0 – 192.91.126.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.127.0 – 192.91.127.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.128.0 – 192.91.128.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.129.0 – 192.91.129.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.130.0 – 192.91.130.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.131.0 – 192.91.131.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.60.0 – 192.91.60.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.61.0 – 192.91.61.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.62.0 – 192.91.62.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.63.0 – 192.91.63.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.64.0 – 192.91.64.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.65.0 – 192.91.65.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.66.0 – 192.91.66.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.67.0 – 192.91.67.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.68.0 – 192.91.68.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.69.0 – 192.91.69.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.70.0 – 192.91.70.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.71.0 – 192.91.71.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.72.0 – 192.91.72.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.73.0 – 192.91.73.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.74.0 – 192.91.74.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.75.0 – 192.91.75.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.76.0 – 192.91.76.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.77.0 – 192.91.77.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.78.0 – 192.91.78.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.79.0 – 192.91.79.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.80.0 – 192.91.80.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.81.0 – 192.91.81.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.82.0 – 192.91.82.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.83.0 – 192.91.83.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.84.0 – 192.91.84.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.85.0 – 192.91.85.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.86.0 – 192.91.86.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.87.0 – 192.91.87.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.88.0 – 192.91.88.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.89.0 – 192.91.89.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.90.0 – 192.91.90.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.91.0 – 192.91.91.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.92.0 – 192.91.92.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.93.0 – 192.91.93.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.94.0 – 192.91.94.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.95.0 – 192.91.95.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.96.0 – 192.91.96.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.97.0 – 192.91.97.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.98.0 – 192.91.98.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.99.0 – 192.91.99.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.100.0 – 192.91.100.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.101.0 – 192.91.101.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.102.0 – 192.91.102.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.103.0 – 192.91.103.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 192.91.104.0 – 192.91.104.255 | 256 | US |
allocated | 1991-01-04 | acfc4932ac54… |
| 143.116.0.0 – 143.116.255.255 | 65,536 | US |
allocated | 1991-01-03 | f661a42310b7… |
| 192.88.197.0 – 192.88.197.255 | 256 | US |
allocated | 1991-01-02 | 5fcc0e78173b… |
| 33.0.0.0 – 33.255.255.255 | 16,777,216 | US |
allocated | 1991-01-01 | 45fe880b68a8… |
| 148.184.0.0 – 148.184.255.255 | 65,536 | US |
allocated | 1991-01-01 | a27b87d86063… |
| 192.35.180.0 – 192.35.180.255 | 256 | US |
allocated | 1991-01-01 | 9f14454567a6… |
| 144.182.0.0 – 144.182.255.255 | 65,536 | US |
allocated | 1990-12-20 | 45fe880b68a8… |
| 144.183.0.0 – 144.183.255.255 | 65,536 | US |
allocated | 1990-12-20 | 45fe880b68a8… |
| 144.184.0.0 – 144.184.255.255 | 65,536 | US |
allocated | 1990-12-20 | 45fe880b68a8… |
| 144.185.0.0 – 144.185.255.255 | 65,536 | US |
allocated | 1990-12-20 | 90ceba63c4dc… |
| 144.186.0.0 – 144.186.255.255 | 65,536 | US |
allocated | 1990-12-20 | cade225cf87a… |
| 144.187.0.0 – 144.187.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.188.0.0 – 144.188.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.189.0.0 – 144.189.255.255 | 65,536 | US |
allocated | 1990-12-20 | a8f25e5b8214… |
| 144.190.0.0 – 144.190.255.255 | 65,536 | US |
allocated | 1990-12-20 | cade225cf87a… |
| 144.191.0.0 – 144.191.255.255 | 65,536 | US |
allocated | 1990-12-20 | cae4e0847dc3… |
| 144.192.0.0 – 144.192.255.255 | 65,536 | US |
allocated | 1990-12-20 | 45fe880b68a8… |
| 144.194.0.0 – 144.194.255.255 | 65,536 |  CA |
allocated | 1990-12-20 | 9858e19dd4b1… |
| 144.197.0.0 – 144.197.255.255 | 65,536 | US |
allocated | 1990-12-20 | 0596821a6910… |
| 144.198.0.0 – 144.198.255.255 | 65,536 | US |
allocated | 1990-12-20 | a140e131c3f7… |
| 144.201.0.0 – 144.201.255.255 | 65,536 | US |
allocated | 1990-12-20 | 58bab9bfa223… |
| 144.203.0.0 – 144.203.255.255 | 65,536 | US |
allocated | 1990-12-20 | 27a2fec661e4… |
| 192.88.142.0 – 192.88.142.255 | 256 | US |
allocated | 1990-12-20 | 5add83cbd754… |
| 192.88.143.0 – 192.88.143.255 | 256 | US |
allocated | 1990-12-20 | a1d5fb3718bf… |
| 192.88.144.0 – 192.88.144.255 | 256 | US |
allocated | 1990-12-20 | fc39d3d3a4a1… |
| 192.88.145.0 – 192.88.145.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.146.0 – 192.88.146.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.147.0 – 192.88.147.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.148.0 – 192.88.148.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.149.0 – 192.88.149.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.150.0 – 192.88.150.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.151.0 – 192.88.151.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.152.0 – 192.88.152.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.153.0 – 192.88.153.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.154.0 – 192.88.154.255 | 256 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.156.0 – 192.88.159.255 | 1,024 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.160.0 – 192.88.175.255 | 4,096 | US |
allocated | 1990-12-20 | cb22fdd752da… |
| 192.88.176.0 – 192.88.176.255 | 256 | US |
allocated | 1990-12-20 | 62c94eb5e6d9… |
| 192.88.177.0 – 192.88.177.255 | 256 | US |
allocated | 1990-12-20 | f5b45c90d1e3… |
| 192.88.184.0 – 192.88.184.255 | 256 | US |
allocated | 1990-12-20 | 5bd3fb58e1f6… |
| 192.88.185.0 – 192.88.185.255 | 256 | US |
allocated | 1990-12-20 | 02bf41ab62b6… |
| 192.88.188.0 – 192.88.188.255 | 256 | US |
allocated | 1990-12-20 | 8353c55680ff… |
| 192.88.191.0 – 192.88.191.255 | 256 | US |
allocated | 1990-12-20 | f4bb71b8cdaf… |
| 192.88.192.0 – 192.88.195.255 | 1,024 | US |
allocated | 1990-12-20 | f4bb71b8cdaf… |
| 192.88.131.0 – 192.88.131.255 | 256 | US |
allocated | 1990-12-19 | db18ca44e602… |
| 192.88.132.0 – 192.88.132.255 | 256 | US |
allocated | 1990-12-19 | 359d69c5e1be… |