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 |
|---|---|---|---|---|---|
| 23.136.204.0 – 23.136.204.255 | 256 |  CA |
allocated | 2025-04-01 | a2077656acae… |
| 45.115.60.0 – 45.115.63.255 | 1,024 |  US |
allocated | 2025-04-01 | 3a44e641f183… |
| 64.65.24.0 – 64.65.25.255 | 512 | US |
allocated | 2025-04-01 | e57c9d9298c9… |
| 64.65.62.0 – 64.65.63.255 | 512 | US |
allocated | 2025-04-01 | a8d640bd4559… |
| 143.246.128.0 – 143.246.135.255 | 2,048 | US |
allocated | 2025-04-01 | fe4ab67e6f0e… |
| 166.128.0.0 – 166.135.255.255 | 524,288 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.136.0.0 – 166.137.255.255 | 131,072 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.138.0.0 – 166.138.255.255 | 65,536 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.147.64.0 – 166.147.127.255 | 16,384 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.170.0.0 – 166.171.255.255 | 131,072 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.172.0.0 – 166.175.255.255 | 262,144 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.176.0.0 – 166.177.255.255 | 131,072 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.178.0.0 – 166.178.255.255 | 65,536 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.179.0.0 – 166.179.63.255 | 16,384 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.179.64.0 – 166.179.95.255 | 8,192 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.179.96.0 – 166.179.103.255 | 2,048 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.179.104.0 – 166.179.107.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.183.0.0 – 166.183.255.255 | 65,536 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.184.0.0 – 166.191.255.255 | 524,288 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.192.0.0 – 166.207.255.255 | 1,048,576 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.208.0.0 – 166.209.255.255 | 131,072 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.212.0.0 – 166.215.255.255 | 262,144 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.216.0.0 – 166.219.255.255 | 262,144 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 166.220.0.0 – 166.220.255.255 | 65,536 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.224.0.0 – 198.224.127.255 | 32,768 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.0.0 – 198.225.127.255 | 32,768 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.128.0 – 198.225.159.255 | 8,192 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.160.0 – 198.225.163.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.164.0 – 198.225.164.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.166.0 – 198.225.166.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.189.0 – 198.225.189.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.190.0 – 198.225.191.255 | 512 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.194.0 – 198.225.194.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.196.0 – 198.225.196.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.225.200.0 – 198.225.200.255 | 256 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.0.0 – 198.228.63.255 | 16,384 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.64.0 – 198.228.79.255 | 4,096 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.80.0 – 198.228.83.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.84.0 – 198.228.85.255 | 512 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.132.0 – 198.228.135.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.136.0 – 198.228.143.255 | 2,048 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.144.0 – 198.228.159.255 | 4,096 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.160.0 – 198.228.191.255 | 8,192 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.228.192.0 – 198.228.255.255 | 16,384 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.229.184.0 – 198.229.191.255 | 2,048 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.229.192.0 – 198.229.195.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.229.220.0 – 198.229.223.255 | 1,024 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.229.224.0 – 198.229.255.255 | 8,192 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.230.0.0 – 198.230.63.255 | 16,384 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 198.230.64.0 – 198.230.95.255 | 8,192 | US |
allocated | 2025-04-01 | 81e05477cc28… |
| 199.190.255.0 – 199.190.255.255 | 256 | US |
allocated | 2025-04-01 | 009bea9f137b… |
| 23.136.164.0 – 23.136.164.255 | 256 | US |
allocated | 2025-03-31 | 39b0564002f5… |
| 23.136.172.0 – 23.136.172.255 | 256 | US |
allocated | 2025-03-31 | 0b5919042338… |
| 23.136.180.0 – 23.136.180.255 | 256 | US |
allocated | 2025-03-31 | a45eb47a1995… |
| 86.54.225.0 – 86.54.225.255 | 256 | US |
allocated | 2025-03-31 | 7e0784d35cd8… |
| 103.143.76.0 – 103.143.77.255 | 512 | US |
allocated | 2025-03-31 | 9e4a35697b45… |
| 199.34.122.0 – 199.34.123.255 | 512 | US |
allocated | 2025-03-31 | 3d798fa3b466… |
| 9.134.0.0 – 9.134.255.255 | 65,536 | US |
allocated | 2025-03-28 | 59b4650cc927… |
| 9.138.0.0 – 9.139.255.255 | 131,072 | US |
allocated | 2025-03-28 | 59b4650cc927… |
| 9.144.0.0 – 9.144.255.255 | 65,536 | US |
allocated | 2025-03-28 | 59b4650cc927… |
| 23.136.148.0 – 23.136.148.255 | 256 | US |
allocated | 2025-03-28 | a58b04e7ecbc… |
| 23.136.156.0 – 23.136.156.255 | 256 | US |
allocated | 2025-03-28 | be688ae719c0… |
| 104.36.51.0 – 104.36.51.255 | 256 | US |
allocated | 2025-03-28 | 46da7d1bacbc… |
| 104.36.52.0 – 104.36.55.255 | 1,024 | US |
allocated | 2025-03-28 | 46da7d1bacbc… |
| 172.96.162.0 – 172.96.162.255 | 256 | US |
allocated | 2025-03-28 | 398fb0a40b27… |
| 199.34.64.0 – 199.34.64.255 | 256 | US |
allocated | 2025-03-28 | 10aaad0ab353… |
| 199.34.97.0 – 199.34.97.255 | 256 | US |
allocated | 2025-03-28 | 3ff7803d7859… |
| 208.83.108.0 – 208.83.109.255 | 512 | US |
allocated | 2025-03-28 | ce909d57801e… |
| 23.136.132.0 – 23.136.132.255 | 256 | US |
allocated | 2025-03-27 | 0e1a2aed797f… |
| 23.136.140.0 – 23.136.140.255 | 256 | US |
allocated | 2025-03-27 | 005eae1d7f21… |
| 76.9.0.0 – 76.9.31.255 | 8,192 | US |
allocated | 2025-03-27 | 910a26894415… |
| 85.116.160.0 – 85.116.175.255 | 4,096 | US |
allocated | 2025-03-27 | 91091fa318f3… |
| 204.89.203.0 – 204.89.203.255 | 256 | US |
allocated | 2025-03-27 | 8338e8cc2a7d… |
| 23.136.124.0 – 23.136.124.255 | 256 | US |
allocated | 2025-03-26 | dfcae7fb6907… |
| 64.6.44.0 – 64.6.45.255 | 512 | US |
allocated | 2025-03-26 | 5968b89d39c5… |
| 66.235.116.0 – 66.235.119.255 | 1,024 | US |
allocated | 2025-03-26 | 3af11f5aec32… |
| 143.223.132.0 – 143.223.133.255 | 512 | CA |
allocated | 2025-03-26 | dbeeaeb280ee… |
| 143.223.138.0 – 143.223.139.255 | 512 | CA |
allocated | 2025-03-26 | dbeeaeb280ee… |
| 207.11.192.0 – 207.11.223.255 | 8,192 | US |
allocated | 2025-03-26 | e29d5a4792c5… |
| 23.136.108.0 – 23.136.108.255 | 256 | US |
allocated | 2025-03-25 | 100e5a8bf104… |
| 23.136.116.0 – 23.136.116.255 | 256 | US |
allocated | 2025-03-25 | d6099822d2d3… |
| 45.33.205.0 – 45.33.205.255 | 256 | US |
allocated | 2025-03-25 | 1dba55cd3bec… |
| 66.40.108.0 – 66.40.111.255 | 1,024 | US |
allocated | 2025-03-25 | b2f5ac5210e9… |
| 166.139.0.0 – 166.139.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.140.0.0 – 166.143.255.255 | 262,144 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.144.0.0 – 166.145.255.255 | 131,072 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.146.0.0 – 166.146.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.147.0.0 – 166.147.63.255 | 16,384 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.147.128.0 – 166.147.255.255 | 32,768 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.148.0.0 – 166.151.255.255 | 262,144 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.152.0.0 – 166.159.255.255 | 524,288 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.160.0.0 – 166.167.255.255 | 524,288 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.168.0.0 – 166.169.255.255 | 131,072 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.179.108.0 – 166.179.111.255 | 1,024 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.179.112.0 – 166.179.127.255 | 4,096 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.179.128.0 – 166.179.255.255 | 32,768 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.180.0.0 – 166.180.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.211.0.0 – 166.211.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.237.0.0 – 166.237.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |
| 166.239.0.0 – 166.239.255.255 | 65,536 | US |
allocated | 2025-03-25 | e220ed812a4c… |