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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 23.144.29.0 – 23.144.35.255 | 1,792 | — | reserved | — | … |
| 23.144.37.0 – 23.144.39.255 | 768 | — | reserved | — | … |
| 23.144.42.0 – 23.144.43.255 | 512 | — | reserved | — | … |
| 23.144.45.0 – 23.144.47.255 | 768 | — | reserved | — | … |
| 23.144.49.0 – 23.144.51.255 | 768 | — | reserved | — | … |
| 23.144.53.0 – 23.144.55.255 | 768 | — | reserved | — | … |
| 23.144.57.0 – 23.144.59.255 | 768 | — | reserved | — | … |
| 23.144.61.0 – 23.144.63.255 | 768 | — | reserved | — | … |
| 23.144.65.0 – 23.144.67.255 | 768 | — | reserved | — | … |
| 23.144.69.0 – 23.144.75.255 | 1,792 | — | reserved | — | … |
| 23.144.77.0 – 23.144.79.255 | 768 | — | reserved | — | … |
| 23.144.81.0 – 23.144.81.255 | 256 | — | reserved | — | … |
| 23.144.83.0 – 23.144.83.255 | 256 | — | reserved | — | … |
| 23.144.85.0 – 23.144.87.255 | 768 | — | reserved | — | … |
| 23.144.89.0 – 23.144.91.255 | 768 | — | reserved | — | … |
| 23.144.93.0 – 23.144.95.255 | 768 | — | reserved | — | … |
| 23.144.97.0 – 23.144.99.255 | 768 | — | reserved | — | … |
| 23.144.101.0 – 23.144.103.255 | 768 | — | reserved | — | … |
| 23.144.105.0 – 23.144.107.255 | 768 | — | reserved | — | … |
| 23.144.109.0 – 23.144.111.255 | 768 | — | reserved | — | … |
| 23.144.113.0 – 23.144.115.255 | 768 | — | reserved | — | … |
| 23.144.117.0 – 23.144.119.255 | 768 | — | reserved | — | … |
| 23.144.121.0 – 23.144.123.255 | 768 | — | reserved | — | … |
| 23.144.125.0 – 23.144.127.255 | 768 | — | reserved | — | … |
| 23.144.129.0 – 23.144.131.255 | 768 | — | reserved | — | … |
| 23.144.133.0 – 23.144.135.255 | 768 | — | reserved | — | … |
| 23.144.137.0 – 23.144.139.255 | 768 | — | reserved | — | … |
| 23.144.141.0 – 23.144.143.255 | 768 | — | reserved | — | … |
| 23.144.145.0 – 23.144.147.255 | 768 | — | reserved | — | … |
| 23.144.149.0 – 23.144.151.255 | 768 | — | reserved | — | … |
| 23.144.153.0 – 23.144.155.255 | 768 | — | reserved | — | … |
| 23.144.157.0 – 23.144.159.255 | 768 | — | reserved | — | … |
| 23.144.161.0 – 23.144.163.255 | 768 | — | reserved | — | … |
| 23.144.165.0 – 23.144.167.255 | 768 | — | reserved | — | … |
| 23.144.170.0 – 23.144.171.255 | 512 | — | reserved | — | … |
| 23.144.173.0 – 23.144.175.255 | 768 | — | reserved | — | … |
| 23.144.177.0 – 23.144.179.255 | 768 | — | reserved | — | … |
| 23.144.181.0 – 23.144.183.255 | 768 | — | reserved | — | … |
| 23.144.185.0 – 23.144.187.255 | 768 | — | reserved | — | … |
| 23.144.189.0 – 23.144.191.255 | 768 | — | reserved | — | … |
| 23.144.193.0 – 23.144.195.255 | 768 | — | reserved | — | … |
| 23.144.197.0 – 23.144.199.255 | 768 | — | reserved | — | … |
| 23.144.201.0 – 23.144.203.255 | 768 | — | reserved | — | … |
| 23.144.205.0 – 23.144.207.255 | 768 | — | reserved | — | … |
| 23.144.209.0 – 23.144.211.255 | 768 | — | reserved | — | … |
| 23.144.213.0 – 23.144.215.255 | 768 | — | reserved | — | … |
| 23.144.217.0 – 23.144.219.255 | 768 | — | reserved | — | … |
| 23.144.221.0 – 23.144.227.255 | 1,792 | — | reserved | — | … |
| 23.144.229.0 – 23.144.231.255 | 768 | — | reserved | — | … |
| 23.144.233.0 – 23.144.235.255 | 768 | — | reserved | — | … |
| 23.144.237.0 – 23.144.239.255 | 768 | — | reserved | — | … |
| 23.144.241.0 – 23.144.243.255 | 768 | — | reserved | — | … |
| 23.144.245.0 – 23.144.247.255 | 768 | — | reserved | — | … |
| 23.144.249.0 – 23.144.251.255 | 768 | — | reserved | — | … |
| 23.144.253.0 – 23.144.255.255 | 768 | — | reserved | — | … |
| 23.145.1.0 – 23.145.3.255 | 768 | — | reserved | — | … |
| 23.145.5.0 – 23.145.11.255 | 1,792 | — | reserved | — | … |
| 23.145.13.0 – 23.145.19.255 | 1,792 | — | reserved | — | … |
| 23.145.21.0 – 23.145.23.255 | 768 | — | reserved | — | … |
| 23.145.25.0 – 23.145.27.255 | 768 | — | reserved | — | … |
| 23.145.29.0 – 23.145.31.255 | 768 | — | reserved | — | … |
| 23.145.34.0 – 23.145.35.255 | 512 | — | reserved | — | … |
| 23.145.37.0 – 23.145.39.255 | 768 | — | reserved | — | … |
| 23.145.41.0 – 23.145.43.255 | 768 | — | reserved | — | … |
| 23.145.45.0 – 23.145.47.255 | 768 | — | reserved | — | … |
| 23.145.49.0 – 23.145.51.255 | 768 | — | reserved | — | … |
| 23.145.53.0 – 23.145.55.255 | 768 | — | reserved | — | … |
| 23.145.58.0 – 23.145.59.255 | 512 | — | reserved | — | … |
| 23.145.61.0 – 23.145.67.255 | 1,792 | — | reserved | — | … |
| 23.145.69.0 – 23.145.71.255 | 768 | — | reserved | — | … |
| 23.145.73.0 – 23.145.75.255 | 768 | — | reserved | — | … |
| 23.145.77.0 – 23.145.79.255 | 768 | — | reserved | — | … |
| 23.145.82.0 – 23.145.83.255 | 512 | — | reserved | — | … |
| 23.145.85.0 – 23.145.87.255 | 768 | — | reserved | — | … |
| 23.145.89.0 – 23.145.91.255 | 768 | — | reserved | — | … |
| 23.145.93.0 – 23.145.103.255 | 2,816 | — | reserved | — | … |
| 23.145.105.0 – 23.145.107.255 | 768 | — | reserved | — | … |
| 23.145.109.0 – 23.145.111.255 | 768 | — | reserved | — | … |
| 23.145.113.0 – 23.145.115.255 | 768 | — | reserved | — | … |
| 23.145.117.0 – 23.145.119.255 | 768 | — | reserved | — | … |
| 23.145.121.0 – 23.145.123.255 | 768 | — | reserved | — | … |
| 23.145.125.0 – 23.145.127.255 | 768 | — | reserved | — | … |
| 23.145.129.0 – 23.145.131.255 | 768 | — | reserved | — | … |
| 23.145.133.0 – 23.145.135.255 | 768 | — | reserved | — | … |
| 23.145.137.0 – 23.145.139.255 | 768 | — | reserved | — | … |
| 23.145.141.0 – 23.145.143.255 | 768 | — | reserved | — | … |
| 23.145.145.0 – 23.145.147.255 | 768 | — | reserved | — | … |
| 23.145.149.0 – 23.145.151.255 | 768 | — | reserved | — | … |
| 23.145.153.0 – 23.145.155.255 | 768 | — | reserved | — | … |
| 23.145.157.0 – 23.145.159.255 | 768 | — | reserved | — | … |
| 23.145.161.0 – 23.145.163.255 | 768 | — | reserved | — | … |
| 23.145.165.0 – 23.145.167.255 | 768 | — | reserved | — | … |
| 23.145.169.0 – 23.145.171.255 | 768 | — | reserved | — | … |
| 23.145.173.0 – 23.145.175.255 | 768 | — | reserved | — | … |
| 23.145.177.0 – 23.145.179.255 | 768 | — | reserved | — | … |
| 23.145.181.0 – 23.145.183.255 | 768 | — | reserved | — | … |
| 23.145.185.0 – 23.145.187.255 | 768 | — | reserved | — | … |
| 23.145.189.0 – 23.145.191.255 | 768 | — | reserved | — | … |
| 23.145.193.0 – 23.145.195.255 | 768 | — | reserved | — | … |
| 23.145.197.0 – 23.145.199.255 | 768 | — | reserved | — | … |