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
1,645,592,320
📦
IPv4 networks
76,752
delegated blocks
🧭
IPv6 networks
11,431
delegated blocks
🔗
Autonomous systems
34,103
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.126.222.0 – 204.126.225.255 | 1,024 | — | reserved | — | … |
| 204.126.236.0 – 204.126.237.255 | 512 | — | reserved | — | … |
| 204.126.248.0 – 204.126.249.255 | 512 | — | reserved | — | … |
| 204.128.144.0 – 204.128.144.255 | 256 | — | reserved | — | … |
| 204.128.164.0 – 204.128.164.255 | 256 | — | reserved | — | … |
| 204.128.171.0 – 204.128.171.255 | 256 | — | reserved | — | … |
| 204.130.135.0 – 204.130.135.255 | 256 | — | reserved | — | … |
| 204.130.147.0 – 204.130.147.255 | 256 | — | reserved | — | … |
| 204.130.151.0 – 204.130.151.255 | 256 | — | reserved | — | … |
| 204.130.167.0 – 204.130.167.255 | 256 | — | reserved | — | … |
| 204.130.190.0 – 204.130.190.255 | 256 | — | reserved | — | … |
| 204.130.217.0 – 204.130.217.255 | 256 | — | reserved | — | … |
| 204.138.72.0 – 204.138.72.255 | 256 | — | reserved | — | … |
| 204.138.74.0 – 204.138.79.255 | 1,536 | — | reserved | — | … |
| 204.138.95.0 – 204.138.95.255 | 256 | — | reserved | — | … |
| 204.138.106.0 – 204.138.107.255 | 512 | — | reserved | — | … |
| 204.138.109.0 – 204.138.109.255 | 256 | — | reserved | — | … |
| 204.138.117.0 – 204.138.121.255 | 1,280 | — | reserved | — | … |
| 204.138.136.0 – 204.138.137.255 | 512 | — | reserved | — | … |
| 204.138.145.0 – 204.138.150.255 | 1,536 | — | reserved | — | … |
| 204.138.152.0 – 204.138.152.255 | 256 | — | reserved | — | … |
| 204.138.168.0 – 204.138.169.255 | 512 | — | reserved | — | … |
| 204.138.180.0 – 204.138.181.255 | 512 | — | reserved | — | … |
| 204.138.184.0 – 204.138.187.255 | 1,024 | — | reserved | — | … |
| 204.138.246.0 – 204.138.249.255 | 1,024 | — | reserved | — | … |
| 204.138.252.0 – 204.138.253.255 | 512 | — | reserved | — | … |
| 204.144.69.0 – 204.144.69.255 | 256 | — | reserved | — | … |
| 204.144.84.0 – 204.144.84.255 | 256 | — | reserved | — | … |
| 204.144.96.0 – 204.144.96.255 | 256 | — | reserved | — | … |
| 204.144.114.0 – 204.144.114.255 | 256 | — | reserved | — | … |
| 204.144.150.0 – 204.144.150.255 | 256 | — | reserved | — | … |
| 204.145.116.0 – 204.145.117.255 | 512 | — | reserved | — | … |
| 204.145.152.0 – 204.145.152.255 | 256 | — | reserved | — | … |
| 204.145.198.0 – 204.145.198.255 | 256 | — | reserved | — | … |
| 204.152.8.0 – 204.152.9.255 | 512 | — | reserved | — | … |
| 204.152.20.0 – 204.152.21.255 | 512 | — | reserved | — | … |
| 204.152.40.0 – 204.152.41.255 | 512 | — | reserved | — | … |
| 204.152.66.0 – 204.152.67.255 | 512 | — | reserved | — | … |
| 204.152.82.0 – 204.152.83.255 | 512 | — | reserved | — | … |
| 204.152.112.0 – 204.152.113.255 | 512 | — | reserved | — | … |
| 204.152.116.0 – 204.152.117.255 | 512 | — | reserved | — | … |
| 204.153.105.0 – 204.153.107.255 | 768 | — | reserved | — | … |
| 204.153.140.0 – 204.153.142.255 | 768 | — | reserved | — | … |
| 204.153.144.0 – 204.153.147.255 | 1,024 | — | reserved | — | … |
| 204.153.224.0 – 204.153.227.255 | 1,024 | — | reserved | — | … |
| 204.154.24.0 – 204.154.31.255 | 2,048 | — | reserved | — | … |
| 204.154.152.0 – 204.154.159.255 | 2,048 | — | reserved | — | … |
| 204.154.168.0 – 204.154.172.255 | 1,280 | — | reserved | — | … |
| 204.187.128.0 – 204.187.129.255 | 512 | — | reserved | — | … |
| 204.187.136.0 – 204.187.136.255 | 256 | — | reserved | — | … |
| 204.194.111.0 – 204.194.111.255 | 256 | — | reserved | — | … |
| 204.209.26.0 – 204.209.27.255 | 512 | — | reserved | — | … |
| 204.209.32.0 – 204.209.34.255 | 768 | — | reserved | — | … |
| 204.209.52.0 – 204.209.55.255 | 1,024 | — | reserved | — | … |
| 204.209.82.0 – 204.209.83.255 | 512 | — | reserved | — | … |
| 204.209.154.0 – 204.209.154.255 | 256 | — | reserved | — | … |
| 204.209.170.0 – 204.209.171.255 | 512 | — | reserved | — | … |
| 204.209.184.0 – 204.209.185.255 | 512 | — | reserved | — | … |
| 204.209.187.0 – 204.209.189.255 | 768 | — | reserved | — | … |
| 204.225.40.0 – 204.225.41.255 | 512 | — | reserved | — | … |
| 204.225.58.0 – 204.225.59.255 | 512 | — | reserved | — | … |
| 204.225.100.0 – 204.225.101.255 | 512 | — | reserved | — | … |
| 204.225.107.0 – 204.225.107.255 | 256 | — | reserved | — | … |
| 204.225.130.0 – 204.225.131.255 | 512 | — | reserved | — | … |
| 204.225.150.0 – 204.225.150.255 | 256 | — | reserved | — | … |
| 204.225.152.0 – 204.225.152.255 | 256 | — | reserved | — | … |
| 204.225.159.0 – 204.225.159.255 | 256 | — | reserved | — | … |
| 204.225.210.0 – 204.225.210.255 | 256 | — | reserved | — | … |
| 204.225.224.0 – 204.225.224.255 | 256 | — | reserved | — | … |
| 204.231.229.0 – 204.231.229.255 | 256 | — | reserved | — | … |
| 204.231.234.0 – 204.231.234.255 | 256 | — | reserved | — | … |
| 204.231.238.0 – 204.231.238.255 | 256 | — | reserved | — | … |
| 204.238.6.0 – 204.238.6.255 | 256 | — | reserved | — | … |
| 204.238.35.0 – 204.238.35.255 | 256 | — | reserved | — | … |
| 204.238.44.0 – 204.238.44.255 | 256 | — | reserved | — | … |
| 204.238.55.0 – 204.238.55.255 | 256 | — | reserved | — | … |
| 204.238.66.0 – 204.238.66.255 | 256 | — | reserved | — | … |
| 204.238.117.0 – 204.238.117.255 | 256 | — | reserved | — | … |
| 204.238.152.0 – 204.238.152.255 | 256 | — | reserved | — | … |
| 204.238.199.0 – 204.238.199.255 | 256 | — | reserved | — | … |
| 204.238.207.0 – 204.238.207.255 | 256 | — | reserved | — | … |
| 204.238.245.0 – 204.238.245.255 | 256 | — | reserved | — | … |
| 204.238.250.0 – 204.238.250.255 | 256 | — | reserved | — | … |
| 204.239.3.0 – 204.239.3.255 | 256 | — | reserved | — | … |
| 204.239.209.0 – 204.239.209.255 | 256 | — | reserved | — | … |
| 205.132.56.0 – 205.132.63.255 | 2,048 | — | reserved | — | … |
| 205.142.36.0 – 205.142.39.255 | 1,024 | — | reserved | — | … |
| 205.142.88.0 – 205.142.91.255 | 1,024 | — | reserved | — | … |
| 205.142.128.0 – 205.142.131.255 | 1,024 | — | reserved | — | … |
| 205.142.180.0 – 205.142.183.255 | 1,024 | — | reserved | — | … |
| 205.142.192.0 – 205.142.195.255 | 1,024 | — | reserved | — | … |
| 205.151.179.0 – 205.151.179.255 | 256 | — | reserved | — | … |
| 205.153.16.0 – 205.153.19.255 | 1,024 | — | reserved | — | … |
| 205.153.80.0 – 205.153.83.255 | 1,024 | — | reserved | — | … |
| 205.153.96.0 – 205.153.99.255 | 1,024 | — | reserved | — | … |
| 205.153.168.0 – 205.153.171.255 | 1,024 | — | reserved | — | … |
| 205.159.7.0 – 205.159.7.255 | 256 | — | reserved | — | … |
| 205.159.10.0 – 205.159.10.255 | 256 | — | reserved | — | … |
| 205.159.32.0 – 205.159.32.255 | 256 | — | reserved | — | … |
| 205.159.70.0 – 205.159.70.255 | 256 | — | reserved | — | … |