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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.201.212.0 – 199.201.212.255 | 256 | — | reserved | — | … |
| 199.202.198.0 – 199.202.198.255 | 256 | — | reserved | — | … |
| 199.204.8.0 – 199.204.11.255 | 1,024 | — | reserved | — | … |
| 199.204.120.0 – 199.204.123.255 | 1,024 | — | reserved | — | … |
| 199.204.192.0 – 199.204.199.255 | 2,048 | — | reserved | — | … |
| 199.212.136.0 – 199.212.137.255 | 512 | — | reserved | — | … |
| 199.212.144.0 – 199.212.144.255 | 256 | — | reserved | — | … |
| 199.212.234.0 – 199.212.235.255 | 512 | — | reserved | — | … |
| 199.212.248.0 – 199.212.249.255 | 512 | — | reserved | — | … |
| 199.231.0.0 – 199.231.5.255 | 1,536 | — | reserved | — | … |
| 199.233.78.0 – 199.233.78.255 | 256 | — | reserved | — | … |
| 199.233.82.0 – 199.233.83.255 | 512 | — | reserved | — | … |
| 199.233.101.0 – 199.233.101.255 | 256 | — | reserved | — | … |
| 199.233.105.0 – 199.233.105.255 | 256 | — | reserved | — | … |
| 199.233.110.0 – 199.233.110.255 | 256 | — | reserved | — | … |
| 199.233.112.0 – 199.233.112.255 | 256 | — | reserved | — | … |
| 199.233.190.0 – 199.233.191.255 | 512 | — | reserved | — | … |
| 199.233.205.0 – 199.233.209.255 | 1,280 | — | reserved | — | … |
| 199.233.220.0 – 199.233.223.255 | 1,024 | — | reserved | — | … |
| 199.241.16.0 – 199.241.25.255 | 2,560 | — | reserved | — | … |
| 199.241.64.0 – 199.241.95.255 | 8,192 | — | reserved | — | … |
| 199.242.145.0 – 199.242.154.255 | 2,560 | — | reserved | — | … |
| 199.242.163.0 – 199.242.164.255 | 512 | — | reserved | — | … |
| 199.242.178.0 – 199.242.178.255 | 256 | — | reserved | — | … |
| 199.242.182.0 – 199.242.191.255 | 2,560 | — | reserved | — | … |
| 199.242.203.0 – 199.242.203.255 | 256 | — | reserved | — | … |
| 199.242.212.0 – 199.242.213.255 | 512 | — | reserved | — | … |
| 199.242.249.0 – 199.242.249.255 | 256 | — | reserved | — | … |
| 199.242.253.0 – 199.242.253.255 | 256 | — | reserved | — | … |
| 199.244.128.0 – 199.244.129.255 | 512 | — | reserved | — | … |
| 199.244.157.0 – 199.244.161.255 | 1,280 | — | reserved | — | … |
| 199.244.175.0 – 199.244.184.255 | 2,560 | — | reserved | — | … |
| 199.244.220.0 – 199.244.221.255 | 512 | — | reserved | — | … |
| 199.244.235.0 – 199.244.235.255 | 256 | — | reserved | — | … |
| 199.244.240.0 – 199.244.240.255 | 256 | — | reserved | — | … |
| 199.245.71.0 – 199.245.71.255 | 256 | — | reserved | — | … |
| 199.245.123.0 – 199.245.123.255 | 256 | — | reserved | — | … |
| 199.245.149.0 – 199.245.149.255 | 256 | — | reserved | — | … |
| 199.245.151.0 – 199.245.151.255 | 256 | — | reserved | — | … |
| 199.245.205.0 – 199.245.205.255 | 256 | — | reserved | — | … |
| 199.245.237.0 – 199.245.237.255 | 256 | — | reserved | — | … |
| 199.246.35.0 – 199.246.35.255 | 256 | — | reserved | — | … |
| 199.246.48.0 – 199.246.49.255 | 512 | — | reserved | — | … |
| 199.246.58.0 – 199.246.59.255 | 512 | — | reserved | — | … |
| 199.246.89.0 – 199.246.99.255 | 2,816 | — | reserved | — | … |
| 199.246.107.0 – 199.246.107.255 | 256 | — | reserved | — | … |
| 199.246.113.0 – 199.246.115.255 | 768 | — | reserved | — | … |
| 199.246.120.0 – 199.246.131.255 | 3,072 | — | reserved | — | … |
| 199.246.137.0 – 199.246.137.255 | 256 | — | reserved | — | … |
| 199.246.140.0 – 199.246.149.255 | 2,560 | — | reserved | — | … |
| 199.246.170.0 – 199.246.179.255 | 2,560 | — | reserved | — | … |
| 199.246.213.0 – 199.246.213.255 | 256 | — | reserved | — | … |
| 199.246.216.0 – 199.246.217.255 | 512 | — | reserved | — | … |
| 199.246.222.0 – 199.246.226.255 | 1,280 | — | reserved | — | … |
| 199.248.0.0 – 199.248.5.255 | 1,536 | — | reserved | — | … |
| 199.248.145.0 – 199.248.145.255 | 256 | — | reserved | — | … |
| 199.248.183.0 – 199.248.183.255 | 256 | — | reserved | — | … |
| 199.248.198.0 – 199.248.198.255 | 256 | — | reserved | — | … |
| 199.248.205.0 – 199.248.205.255 | 256 | — | reserved | — | … |
| 199.248.233.0 – 199.248.233.255 | 256 | — | reserved | — | … |
| 199.248.254.0 – 199.248.254.255 | 256 | — | reserved | — | … |
| 199.249.8.0 – 199.249.13.255 | 1,536 | — | reserved | — | … |
| 199.249.135.0 – 199.249.135.255 | 256 | — | reserved | — | … |
| 199.249.140.0 – 199.249.142.255 | 768 | — | reserved | — | … |
| 199.249.192.0 – 199.249.192.255 | 256 | — | reserved | — | … |
| 199.254.133.0 – 199.254.133.255 | 256 | — | reserved | — | … |
| 199.254.135.0 – 199.254.135.255 | 256 | — | reserved | — | … |
| 199.254.207.0 – 199.254.207.255 | 256 | — | reserved | — | … |
| 199.254.224.0 – 199.254.224.255 | 256 | — | reserved | — | … |
| 199.254.247.0 – 199.254.247.255 | 256 | — | reserved | — | … |
| 200.0.137.0 – 200.0.138.255 | 512 | — | reserved | — | … |
| 200.5.0.0 – 200.5.1.255 | 512 | — | reserved | — | … |
| 200.9.82.0 – 200.9.83.255 | 512 | — | reserved | — | … |
| 203.28.246.0 – 203.28.246.255 | 256 | — | reserved | — | … |
| 204.9.89.0 – 204.9.89.255 | 256 | — | reserved | — | … |
| 204.10.132.0 – 204.10.135.255 | 1,024 | — | reserved | — | … |
| 204.17.144.0 – 204.17.144.255 | 256 | — | reserved | — | … |
| 204.17.146.0 – 204.17.147.255 | 512 | — | reserved | — | … |
| 204.17.187.0 – 204.17.187.255 | 256 | — | reserved | — | … |
| 204.17.206.0 – 204.17.207.255 | 512 | — | reserved | — | … |
| 204.17.233.0 – 204.17.233.255 | 256 | — | reserved | — | … |
| 204.17.237.0 – 204.17.237.255 | 256 | — | reserved | — | … |
| 204.17.241.0 – 204.17.241.255 | 256 | — | reserved | — | … |
| 204.19.40.0 – 204.19.41.255 | 512 | — | reserved | — | … |
| 204.19.219.0 – 204.19.219.255 | 256 | — | reserved | — | … |
| 204.27.138.0 – 204.27.138.255 | 256 | — | reserved | — | … |
| 204.27.153.0 – 204.27.153.255 | 256 | — | reserved | — | … |
| 204.27.162.0 – 204.27.162.255 | 256 | — | reserved | — | … |
| 204.27.221.0 – 204.27.222.255 | 512 | — | reserved | — | … |
| 204.27.227.0 – 204.27.227.255 | 256 | — | reserved | — | … |
| 204.27.233.0 – 204.27.233.255 | 256 | — | reserved | — | … |
| 204.27.237.0 – 204.27.237.255 | 256 | — | reserved | — | … |
| 204.29.166.0 – 204.29.167.255 | 512 | — | reserved | — | … |
| 204.29.171.0 – 204.29.173.255 | 768 | — | reserved | — | … |
| 204.29.214.0 – 204.29.214.255 | 256 | — | reserved | — | … |
| 204.29.226.0 – 204.29.233.255 | 2,048 | — | reserved | — | … |
| 204.52.0.0 – 204.52.9.255 | 2,560 | — | reserved | — | … |
| 204.52.137.0 – 204.52.137.255 | 256 | — | reserved | — | … |
| 204.52.145.0 – 204.52.145.255 | 256 | — | reserved | — | … |
| 204.52.155.0 – 204.52.155.255 | 256 | — | reserved | — | … |