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
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 23.157.201.0 – 23.157.203.255 | 768 | — | reserved | — | … |
| 23.157.205.0 – 23.157.207.255 | 768 | — | reserved | — | … |
| 23.157.209.0 – 23.157.211.255 | 768 | — | reserved | — | … |
| 23.157.213.0 – 23.157.223.255 | 2,816 | — | reserved | — | … |
| 23.157.225.0 – 23.157.227.255 | 768 | — | reserved | — | … |
| 23.157.229.0 – 23.157.231.255 | 768 | — | reserved | — | … |
| 23.157.233.0 – 23.157.235.255 | 768 | — | reserved | — | … |
| 23.157.237.0 – 23.157.239.255 | 768 | — | reserved | — | … |
| 23.157.241.0 – 23.157.243.255 | 768 | — | reserved | — | … |
| 23.157.245.0 – 23.157.247.255 | 768 | — | reserved | — | … |
| 23.157.249.0 – 23.157.251.255 | 768 | — | reserved | — | … |
| 23.157.253.0 – 23.157.255.255 | 768 | — | reserved | — | … |
| 23.158.1.0 – 23.158.3.255 | 768 | — | reserved | — | … |
| 23.158.5.0 – 23.158.7.255 | 768 | — | reserved | — | … |
| 23.158.9.0 – 23.158.11.255 | 768 | — | reserved | — | … |
| 23.158.13.0 – 23.158.15.255 | 768 | — | reserved | — | … |
| 23.158.17.0 – 23.158.19.255 | 768 | — | reserved | — | … |
| 23.158.21.0 – 23.158.23.255 | 768 | — | reserved | — | … |
| 23.158.25.0 – 23.158.27.255 | 768 | — | reserved | — | … |
| 23.158.29.0 – 23.158.31.255 | 768 | — | reserved | — | … |
| 23.158.33.0 – 23.158.35.255 | 768 | — | reserved | — | … |
| 23.158.37.0 – 23.158.39.255 | 768 | — | reserved | — | … |
| 23.158.41.0 – 23.158.43.255 | 768 | — | reserved | — | … |
| 23.158.45.0 – 23.158.47.255 | 768 | — | reserved | — | … |
| 23.158.49.0 – 23.158.51.255 | 768 | — | reserved | — | … |
| 23.158.53.0 – 23.158.55.255 | 768 | — | reserved | — | … |
| 23.158.57.0 – 23.158.71.255 | 3,840 | — | reserved | — | … |
| 23.158.73.0 – 23.158.79.255 | 1,792 | — | reserved | — | … |
| 23.158.81.0 – 23.158.83.255 | 768 | — | reserved | — | … |
| 23.158.85.0 – 23.158.87.255 | 768 | — | reserved | — | … |
| 23.158.89.0 – 23.158.91.255 | 768 | — | reserved | — | … |
| 23.158.93.0 – 23.158.95.255 | 768 | — | reserved | — | … |
| 23.158.97.0 – 23.158.99.255 | 768 | — | reserved | — | … |
| 23.158.101.0 – 23.158.103.255 | 768 | — | reserved | — | … |
| 23.158.105.0 – 23.158.107.255 | 768 | — | reserved | — | … |
| 23.158.109.0 – 23.158.111.255 | 768 | — | reserved | — | … |
| 23.158.113.0 – 23.158.119.255 | 1,792 | — | reserved | — | … |
| 23.158.121.0 – 23.158.127.255 | 1,792 | — | reserved | — | … |
| 23.158.129.0 – 23.158.131.255 | 768 | — | reserved | — | … |
| 23.158.133.0 – 23.158.135.255 | 768 | — | reserved | — | … |
| 23.158.137.0 – 23.158.139.255 | 768 | — | reserved | — | … |
| 23.158.141.0 – 23.158.143.255 | 768 | — | reserved | — | … |
| 23.158.145.0 – 23.158.147.255 | 768 | — | reserved | — | … |
| 23.158.149.0 – 23.158.151.255 | 768 | — | reserved | — | … |
| 23.158.153.0 – 23.158.155.255 | 768 | — | reserved | — | … |
| 23.158.157.0 – 23.158.159.255 | 768 | — | reserved | — | … |
| 23.158.161.0 – 23.158.163.255 | 768 | — | reserved | — | … |
| 23.158.165.0 – 23.158.167.255 | 768 | — | reserved | — | … |
| 23.158.169.0 – 23.158.183.255 | 3,840 | — | reserved | — | … |
| 23.158.185.0 – 23.158.199.255 | 3,840 | — | reserved | — | … |
| 23.158.201.0 – 23.158.207.255 | 1,792 | — | reserved | — | … |
| 23.158.209.0 – 23.158.211.255 | 768 | — | reserved | — | … |
| 23.158.213.0 – 23.158.219.255 | 1,792 | — | reserved | — | … |
| 23.158.221.0 – 23.158.223.255 | 768 | — | reserved | — | … |
| 23.158.225.0 – 23.158.227.255 | 768 | — | reserved | — | … |
| 23.158.229.0 – 23.158.231.255 | 768 | — | reserved | — | … |
| 23.158.234.0 – 23.158.243.255 | 2,560 | — | reserved | — | … |
| 23.158.245.0 – 23.158.247.255 | 768 | — | reserved | — | … |
| 23.158.249.0 – 23.158.251.255 | 768 | — | reserved | — | … |
| 23.158.253.0 – 23.158.255.255 | 768 | — | reserved | — | … |
| 23.159.1.0 – 23.159.3.255 | 768 | — | reserved | — | … |
| 23.159.5.0 – 23.159.7.255 | 768 | — | reserved | — | … |
| 23.159.10.0 – 23.159.15.255 | 1,536 | — | reserved | — | … |
| 23.159.17.0 – 23.159.19.255 | 768 | — | reserved | — | … |
| 23.159.21.0 – 23.159.23.255 | 768 | — | reserved | — | … |
| 23.159.25.0 – 23.159.27.255 | 768 | — | reserved | — | … |
| 23.159.29.0 – 23.159.31.255 | 768 | — | reserved | — | … |
| 23.159.34.0 – 23.159.39.255 | 1,536 | — | reserved | — | … |
| 23.159.41.0 – 23.159.47.255 | 1,792 | — | reserved | — | … |
| 23.159.49.0 – 23.159.51.255 | 768 | — | reserved | — | … |
| 23.159.53.0 – 23.159.59.255 | 1,792 | — | reserved | — | … |
| 23.159.61.0 – 23.159.63.255 | 768 | — | reserved | — | … |
| 23.159.65.0 – 23.159.67.255 | 768 | — | reserved | — | … |
| 23.159.69.0 – 23.159.75.255 | 1,792 | — | reserved | — | … |
| 23.159.77.0 – 23.159.87.255 | 2,816 | — | reserved | — | … |
| 23.159.90.0 – 23.159.95.255 | 1,536 | — | reserved | — | … |
| 23.159.97.0 – 23.159.99.255 | 768 | — | reserved | — | … |
| 23.159.101.0 – 23.159.107.255 | 1,792 | — | reserved | — | … |
| 23.159.109.0 – 23.159.111.255 | 768 | — | reserved | — | … |
| 23.159.113.0 – 23.159.115.255 | 768 | — | reserved | — | … |
| 23.159.117.0 – 23.159.119.255 | 768 | — | reserved | — | … |
| 23.159.121.0 – 23.159.123.255 | 768 | — | reserved | — | … |
| 23.159.125.0 – 23.159.127.255 | 768 | — | reserved | — | … |
| 23.159.129.0 – 23.159.131.255 | 768 | — | reserved | — | … |
| 23.159.133.0 – 23.159.135.255 | 768 | — | reserved | — | … |
| 23.159.137.0 – 23.159.139.255 | 768 | — | reserved | — | … |
| 23.159.141.0 – 23.159.143.255 | 768 | — | reserved | — | … |
| 23.159.145.0 – 23.159.151.255 | 1,792 | — | reserved | — | … |
| 23.159.153.0 – 23.159.159.255 | 1,792 | — | reserved | — | … |
| 23.159.161.0 – 23.159.163.255 | 768 | — | reserved | — | … |
| 23.159.165.0 – 23.159.167.255 | 768 | — | reserved | — | … |
| 23.159.170.0 – 23.159.175.255 | 1,536 | — | reserved | — | … |
| 23.159.177.0 – 23.159.179.255 | 768 | — | reserved | — | … |
| 23.159.181.0 – 23.159.183.255 | 768 | — | reserved | — | … |
| 23.159.185.0 – 23.159.187.255 | 768 | — | reserved | — | … |
| 23.159.189.0 – 23.159.199.255 | 2,816 | — | reserved | — | … |
| 23.159.201.0 – 23.159.215.255 | 3,840 | — | reserved | — | … |
| 23.159.217.0 – 23.159.223.255 | 1,792 | — | reserved | — | … |
| 23.159.225.0 – 23.159.227.255 | 768 | — | reserved | — | … |
| 23.159.229.0 – 23.159.231.255 | 768 | — | reserved | — | … |