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 |
|---|---|---|---|---|---|
| 192.88.244.0 – 192.88.244.255 | 256 |  US |
allocated | 1991-01-11 | 8a58bb0f0588… |
| 192.91.132.0 – 192.91.135.255 | 1,024 | US |
allocated | 1991-01-11 | b932558eb528… |
| 192.91.136.0 – 192.91.136.255 | 256 | US |
allocated | 1991-01-11 | b932558eb528… |
| 128.4.0.0 – 128.4.255.255 | 65,536 | US |
allocated | 1991-01-10 | 279fb28df10a… |
| 144.233.0.0 – 144.233.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.234.0.0 – 144.234.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.235.0.0 – 144.235.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.236.0.0 – 144.236.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.237.0.0 – 144.237.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.238.0.0 – 144.238.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.239.0.0 – 144.239.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.240.0.0 – 144.240.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.241.0.0 – 144.241.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.242.0.0 – 144.242.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.244.0.0 – 144.244.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.245.0.0 – 144.245.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 144.246.0.0 – 144.246.255.255 | 65,536 | US |
allocated | 1991-01-09 | 45fe880b68a8… |
| 146.1.0.0 – 146.1.255.255 | 65,536 | US |
allocated | 1991-01-09 | 2b7f0f85aad6… |
| 192.85.0.0 – 192.85.255.255 | 65,536 | US |
allocated | 1991-01-09 | 161fb0fc33bc… |
| 192.91.105.0 – 192.91.105.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.106.0 – 192.91.106.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.107.0 – 192.91.107.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.108.0 – 192.91.108.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.109.0 – 192.91.109.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.110.0 – 192.91.110.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.111.0 – 192.91.111.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.112.0 – 192.91.112.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.113.0 – 192.91.113.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.114.0 – 192.91.114.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.115.0 – 192.91.115.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.116.0 – 192.91.116.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.117.0 – 192.91.117.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.118.0 – 192.91.118.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.119.0 – 192.91.119.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.120.0 – 192.91.120.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 192.91.121.0 – 192.91.121.255 | 256 | US |
allocated | 1991-01-09 | acfc4932ac54… |
| 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… |