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 |
|---|---|---|---|---|---|
| 23.137.145.0 – 23.137.147.255 | 768 | — | reserved | — | … |
| 23.137.149.0 – 23.137.155.255 | 1,792 | — | reserved | — | … |
| 23.137.157.0 – 23.137.159.255 | 768 | — | reserved | — | … |
| 23.137.161.0 – 23.137.163.255 | 768 | — | reserved | — | … |
| 23.137.165.0 – 23.137.167.255 | 768 | — | reserved | — | … |
| 23.137.169.0 – 23.137.171.255 | 768 | — | reserved | — | … |
| 23.137.173.0 – 23.137.175.255 | 768 | — | reserved | — | … |
| 23.137.177.0 – 23.137.179.255 | 768 | — | reserved | — | … |
| 23.137.181.0 – 23.137.183.255 | 768 | — | reserved | — | … |
| 23.137.185.0 – 23.137.187.255 | 768 | — | reserved | — | … |
| 23.137.189.0 – 23.137.195.255 | 1,792 | — | reserved | — | … |
| 23.137.197.0 – 23.137.203.255 | 1,792 | — | reserved | — | … |
| 23.137.205.0 – 23.137.207.255 | 768 | — | reserved | — | … |
| 23.137.209.0 – 23.137.211.255 | 768 | — | reserved | — | … |
| 23.137.213.0 – 23.137.215.255 | 768 | — | reserved | — | … |
| 23.137.217.0 – 23.137.219.255 | 768 | — | reserved | — | … |
| 23.137.221.0 – 23.137.223.255 | 768 | — | reserved | — | … |
| 23.137.226.0 – 23.137.227.255 | 512 | — | reserved | — | … |
| 23.137.229.0 – 23.137.231.255 | 768 | — | reserved | — | … |
| 23.137.233.0 – 23.137.235.255 | 768 | — | reserved | — | … |
| 23.137.237.0 – 23.137.239.255 | 768 | — | reserved | — | … |
| 23.137.241.0 – 23.137.243.255 | 768 | — | reserved | — | … |
| 23.137.245.0 – 23.137.247.255 | 768 | — | reserved | — | … |
| 23.138.1.0 – 23.138.3.255 | 768 | — | reserved | — | … |
| 23.138.5.0 – 23.138.7.255 | 768 | — | reserved | — | … |
| 23.138.9.0 – 23.138.11.255 | 768 | — | reserved | — | … |
| 23.138.13.0 – 23.138.15.255 | 768 | — | reserved | — | … |
| 23.138.17.0 – 23.138.19.255 | 768 | — | reserved | — | … |
| 23.138.21.0 – 23.138.23.255 | 768 | — | reserved | — | … |
| 23.138.25.0 – 23.138.27.255 | 768 | — | reserved | — | … |
| 23.138.30.0 – 23.138.31.255 | 512 | — | reserved | — | … |
| 23.138.33.0 – 23.138.35.255 | 768 | — | reserved | — | … |
| 23.138.37.0 – 23.138.39.255 | 768 | — | reserved | — | … |
| 23.138.45.0 – 23.138.47.255 | 768 | — | reserved | — | … |
| 23.138.49.0 – 23.138.51.255 | 768 | — | reserved | — | … |
| 23.138.53.0 – 23.138.55.255 | 768 | — | reserved | — | … |
| 23.138.57.0 – 23.138.59.255 | 768 | — | reserved | — | … |
| 23.138.61.0 – 23.138.63.255 | 768 | — | reserved | — | … |
| 23.138.66.0 – 23.138.67.255 | 512 | — | reserved | — | … |
| 23.138.69.0 – 23.138.75.255 | 1,792 | — | reserved | — | … |
| 23.138.77.0 – 23.138.79.255 | 768 | — | reserved | — | … |
| 23.138.81.0 – 23.138.81.255 | 256 | — | reserved | — | … |
| 23.138.85.0 – 23.138.87.255 | 768 | — | reserved | — | … |
| 23.138.89.0 – 23.138.91.255 | 768 | — | reserved | — | … |
| 23.138.93.0 – 23.138.95.255 | 768 | — | reserved | — | … |
| 23.138.97.0 – 23.138.99.255 | 768 | — | reserved | — | … |
| 23.138.101.0 – 23.138.103.255 | 768 | — | reserved | — | … |
| 23.138.105.0 – 23.138.107.255 | 768 | — | reserved | — | … |
| 23.138.109.0 – 23.138.111.255 | 768 | — | reserved | — | … |
| 23.138.117.0 – 23.138.119.255 | 768 | — | reserved | — | … |
| 23.138.121.0 – 23.138.123.255 | 768 | — | reserved | — | … |
| 23.138.125.0 – 23.138.127.255 | 768 | — | reserved | — | … |
| 23.138.130.0 – 23.138.131.255 | 512 | — | reserved | — | … |
| 23.138.133.0 – 23.138.139.255 | 1,792 | — | reserved | — | … |
| 23.138.141.0 – 23.138.143.255 | 768 | — | reserved | — | … |
| 23.138.145.0 – 23.138.147.255 | 768 | — | reserved | — | … |
| 23.138.149.0 – 23.138.151.255 | 768 | — | reserved | — | … |
| 23.138.153.0 – 23.138.155.255 | 768 | — | reserved | — | … |
| 23.138.157.0 – 23.138.159.255 | 768 | — | reserved | — | … |
| 23.138.161.0 – 23.138.163.255 | 768 | — | reserved | — | … |
| 23.138.165.0 – 23.138.167.255 | 768 | — | reserved | — | … |
| 23.138.169.0 – 23.138.171.255 | 768 | — | reserved | — | … |
| 23.138.173.0 – 23.138.175.255 | 768 | — | reserved | — | … |
| 23.138.177.0 – 23.138.179.255 | 768 | — | reserved | — | … |
| 23.138.181.0 – 23.138.183.255 | 768 | — | reserved | — | … |
| 23.138.185.0 – 23.138.191.255 | 1,792 | — | reserved | — | … |
| 23.138.193.0 – 23.138.195.255 | 768 | — | reserved | — | … |
| 23.138.197.0 – 23.138.199.255 | 768 | — | reserved | — | … |
| 23.138.201.0 – 23.138.203.255 | 768 | — | reserved | — | … |
| 23.138.205.0 – 23.138.207.255 | 768 | — | reserved | — | … |
| 23.138.209.0 – 23.138.211.255 | 768 | — | reserved | — | … |
| 23.138.213.0 – 23.138.219.255 | 1,792 | — | reserved | — | … |
| 23.138.221.0 – 23.138.223.255 | 768 | — | reserved | — | … |
| 23.138.225.0 – 23.138.227.255 | 768 | — | reserved | — | … |
| 23.138.229.0 – 23.138.231.255 | 768 | — | reserved | — | … |
| 23.138.233.0 – 23.138.235.255 | 768 | — | reserved | — | … |
| 23.138.237.0 – 23.138.239.255 | 768 | — | reserved | — | … |
| 23.138.242.0 – 23.138.243.255 | 512 | — | reserved | — | … |
| 23.138.245.0 – 23.138.251.255 | 1,792 | — | reserved | — | … |
| 23.138.253.0 – 23.138.255.255 | 768 | — | reserved | — | … |
| 23.139.1.0 – 23.139.3.255 | 768 | — | reserved | — | … |
| 23.139.5.0 – 23.139.7.255 | 768 | — | reserved | — | … |
| 23.139.9.0 – 23.139.11.255 | 768 | — | reserved | — | … |
| 23.139.13.0 – 23.139.15.255 | 768 | — | reserved | — | … |
| 23.139.17.0 – 23.139.19.255 | 768 | — | reserved | — | … |
| 23.139.21.0 – 23.139.23.255 | 768 | — | reserved | — | … |
| 23.139.26.0 – 23.139.27.255 | 512 | — | reserved | — | … |
| 23.139.29.0 – 23.139.31.255 | 768 | — | reserved | — | … |
| 23.139.33.0 – 23.139.35.255 | 768 | — | reserved | — | … |
| 23.139.37.0 – 23.139.43.255 | 1,792 | — | reserved | — | … |
| 23.139.45.0 – 23.139.47.255 | 768 | — | reserved | — | … |
| 23.139.49.0 – 23.139.51.255 | 768 | — | reserved | — | … |
| 23.139.53.0 – 23.139.55.255 | 768 | — | reserved | — | … |
| 23.139.57.0 – 23.139.59.255 | 768 | — | reserved | — | … |
| 23.139.62.0 – 23.139.63.255 | 512 | — | reserved | — | … |
| 23.139.67.0 – 23.139.67.255 | 256 | — | reserved | — | … |
| 23.139.69.0 – 23.139.75.255 | 1,792 | — | reserved | — | … |
| 23.139.77.0 – 23.139.79.255 | 768 | — | reserved | — | … |
| 23.139.81.0 – 23.139.81.255 | 256 | — | reserved | — | … |
| 23.139.83.0 – 23.139.83.255 | 256 | — | reserved | — | … |