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 |
|---|---|---|---|---|---|
| 204.57.219.0 – 204.57.219.255 | 256 |  US |
allocated | 2026-01-20 | df580d7d1cdf… |
| 204.77.14.0 – 204.77.15.255 | 512 |  CA |
allocated | 2026-01-20 | fda327863c17… |
| 23.152.164.0 – 23.152.164.255 | 256 | US |
allocated | 2026-01-16 | 411b37521f9d… |
| 23.152.172.0 – 23.152.172.255 | 256 | US |
allocated | 2026-01-16 | aca947385eef… |
| 23.152.180.0 – 23.152.180.255 | 256 | US |
allocated | 2026-01-16 | cbc435baa923… |
| 23.152.188.0 – 23.152.188.255 | 256 | US |
allocated | 2026-01-16 | 58c90c98b8eb… |
| 142.248.253.0 – 142.248.253.255 | 256 | US |
allocated | 2026-01-16 | 8e817e5aee4c… |
| 149.112.185.0 – 149.112.185.255 | 256 | US |
allocated | 2026-01-16 | da42b400345a… |
| 206.109.83.0 – 206.109.83.255 | 256 | US |
allocated | 2026-01-16 | 0d783ec52848… |
| 216.71.117.0 – 216.71.117.255 | 256 | US |
allocated | 2026-01-16 | dd1cd97eb671… |
| 66.203.251.0 – 66.203.251.255 | 256 | US |
allocated | 2026-01-15 | b7a0582d152b… |
| 68.68.240.0 – 68.68.243.255 | 1,024 | US |
allocated | 2026-01-15 | bb65dd4e880a… |
| 68.169.96.0 – 68.169.96.255 | 256 | US |
allocated | 2026-01-15 | b1b6e2263e36… |
| 98.142.176.0 – 98.142.179.255 | 1,024 | US |
allocated | 2026-01-15 | 80b7617cc8ab… |
| 104.37.196.0 – 104.37.199.255 | 1,024 | US |
allocated | 2026-01-15 | dc69d6f9509c… |
| 155.103.94.0 – 155.103.94.255 | 256 | US |
allocated | 2026-01-15 | 17bbe2a3efad… |
| 155.103.120.0 – 155.103.123.255 | 1,024 | US |
allocated | 2026-01-15 | 96612101e0b8… |
| 155.103.140.0 – 155.103.143.255 | 1,024 | US |
allocated | 2026-01-15 | b76721266479… |
| 155.103.168.0 – 155.103.171.255 | 1,024 | US |
allocated | 2026-01-15 | a1ff253036ff… |
| 155.103.183.0 – 155.103.183.255 | 256 | US |
allocated | 2026-01-15 | 7ca700bbd2a1… |
| 155.103.184.0 – 155.103.184.255 | 256 | CA |
allocated | 2026-01-15 | 20cbbce295cf… |
| 155.103.244.0 – 155.103.247.255 | 1,024 | US |
allocated | 2026-01-15 | a25a3da8b260… |
| 198.153.148.0 – 198.153.148.255 | 256 | US |
allocated | 2026-01-15 | 81e1f1001fdd… |
| 199.104.22.0 – 199.104.22.255 | 256 | US |
allocated | 2026-01-15 | ac0c085a78a9… |
| 199.204.211.0 – 199.204.211.255 | 256 | US |
allocated | 2026-01-15 | 6b11006729c5… |
| 204.16.232.0 – 204.16.235.255 | 1,024 | US |
allocated | 2026-01-15 | 5e304a900c0f… |
| 204.144.59.0 – 204.144.59.255 | 256 | US |
allocated | 2026-01-15 | a825237e7e27… |
| 23.152.140.0 – 23.152.140.255 | 256 | US |
allocated | 2026-01-14 | f82afb58e5a3… |
| 23.152.156.0 – 23.152.156.255 | 256 | US |
allocated | 2026-01-14 | eef77c487ad8… |
| 142.249.221.0 – 142.249.221.255 | 256 | US |
allocated | 2026-01-14 | 50a54f376e1c… |
| 198.29.254.0 – 198.29.254.255 | 256 | CA |
allocated | 2026-01-14 | 11ea1101dfdd… |
| 198.182.171.0 – 198.182.171.255 | 256 | US |
allocated | 2026-01-14 | 16c13149c63c… |
| 199.33.227.0 – 199.33.227.255 | 256 | US |
allocated | 2026-01-14 | 8a2946a278b8… |
| 204.153.143.0 – 204.153.143.255 | 256 | US |
allocated | 2026-01-14 | fe401a713eab… |
| 45.42.172.0 – 45.42.173.255 | 512 | US |
allocated | 2026-01-13 | eef88e9b5e06… |
| 45.42.174.0 – 45.42.174.255 | 256 | US |
allocated | 2026-01-13 | eef88e9b5e06… |
| 64.89.160.0 – 64.89.163.255 | 1,024 | US |
allocated | 2026-01-13 | ae24b7e28747… |
| 66.71.202.0 – 66.71.203.255 | 512 | US |
allocated | 2026-01-13 | 58898e2cc312… |
| 66.242.60.0 – 66.242.61.255 | 512 | US |
allocated | 2026-01-13 | 82389aa29f3c… |
| 68.68.244.0 – 68.68.247.255 | 1,024 | US |
allocated | 2026-01-13 | 39a0c8e6d886… |
| 68.68.248.0 – 68.68.251.255 | 1,024 | US |
allocated | 2026-01-13 | c7041048a4a3… |
| 68.68.252.0 – 68.68.255.255 | 1,024 | US |
allocated | 2026-01-13 | 44b6073e2301… |
| 72.22.96.0 – 72.22.99.255 | 1,024 | US |
allocated | 2026-01-13 | b6ae127588d8… |
| 72.22.100.0 – 72.22.103.255 | 1,024 | US |
allocated | 2026-01-13 | 807889ec7921… |
| 74.112.8.0 – 74.112.11.255 | 1,024 | US |
allocated | 2026-01-13 | e9e5c8b371f0… |
| 74.118.0.0 – 74.118.3.255 | 1,024 | CA |
allocated | 2026-01-13 | a10465655c6c… |
| 104.37.192.0 – 104.37.195.255 | 1,024 | US |
allocated | 2026-01-13 | e0896d7a8174… |
| 104.247.99.0 – 104.247.99.255 | 256 | US |
allocated | 2026-01-13 | 1e13c0e2922e… |
| 108.160.220.0 – 108.160.223.255 | 1,024 | US |
allocated | 2026-01-13 | 69b86c582ee8… |
| 130.12.160.0 – 130.12.163.255 | 1,024 | US |
allocated | 2026-01-13 | 0fc551c95f00… |
| 131.143.44.0 – 131.143.45.255 | 512 | US |
allocated | 2026-01-13 | b478a47a8075… |
| 131.143.68.0 – 131.143.71.255 | 1,024 |  VI |
allocated | 2026-01-13 | 65155446cfac… |
| 131.143.127.0 – 131.143.127.255 | 256 | US |
allocated | 2026-01-13 | 889f3d550c53… |
| 131.153.249.0 – 131.153.249.255 | 256 | US |
allocated | 2026-01-13 | a9d309d3575a… |
| 136.175.56.0 – 136.175.59.255 | 1,024 | US |
allocated | 2026-01-13 | c791c1786ff9… |
| 142.248.158.0 – 142.248.158.255 | 256 | US |
allocated | 2026-01-13 | 220fdfd7b79a… |
| 142.248.255.0 – 142.248.255.255 | 256 | US |
allocated | 2026-01-13 | 7399a7e07b39… |
| 155.103.64.0 – 155.103.67.255 | 1,024 | US |
allocated | 2026-01-13 | fa1b5792c3ba… |
| 155.103.72.0 – 155.103.75.255 | 1,024 | US |
allocated | 2026-01-13 | ce8f3f9c64bc… |
| 155.103.76.0 – 155.103.76.255 | 256 | US |
allocated | 2026-01-13 | cc456369cf2b… |
| 155.103.77.0 – 155.103.77.255 | 256 | US |
allocated | 2026-01-13 | f3eee451680d… |
| 155.103.78.0 – 155.103.78.255 | 256 | US |
allocated | 2026-01-13 | ff460d688109… |
| 155.103.80.0 – 155.103.83.255 | 1,024 | US |
allocated | 2026-01-13 | 10c9cb88e713… |
| 155.103.84.0 – 155.103.87.255 | 1,024 | US |
allocated | 2026-01-13 | e489f2ef9b9b… |
| 155.103.88.0 – 155.103.91.255 | 1,024 | US |
allocated | 2026-01-13 | 100e5a8bf104… |
| 155.103.92.0 – 155.103.92.255 | 256 | US |
allocated | 2026-01-13 | 58c67c5f0a44… |
| 155.103.93.0 – 155.103.93.255 | 256 | US |
allocated | 2026-01-13 | ccab7eb394fd… |
| 155.103.95.0 – 155.103.95.255 | 256 | US |
allocated | 2026-01-13 | 9a55997f0f77… |
| 155.103.96.0 – 155.103.99.255 | 1,024 | US |
allocated | 2026-01-13 | aa11c8de6bd5… |
| 155.103.100.0 – 155.103.103.255 | 1,024 | US |
allocated | 2026-01-13 | 01494a6db105… |
| 155.103.104.0 – 155.103.107.255 | 1,024 | US |
allocated | 2026-01-13 | bd118a064544… |
| 155.103.108.0 – 155.103.108.255 | 256 | US |
allocated | 2026-01-13 | ff43c7e391dc… |
| 155.103.109.0 – 155.103.109.255 | 256 | US |
allocated | 2026-01-13 | ab908cc228c8… |
| 155.103.110.0 – 155.103.110.255 | 256 | US |
allocated | 2026-01-13 | c1fc7c7d053d… |
| 155.103.111.0 – 155.103.111.255 | 256 | US |
allocated | 2026-01-13 | ab9a44825cf3… |
| 155.103.112.0 – 155.103.115.255 | 1,024 | US |
allocated | 2026-01-13 | 5c3d85746ba9… |
| 155.103.116.0 – 155.103.119.255 | 1,024 | US |
allocated | 2026-01-13 | 0532249db02b… |
| 155.103.124.0 – 155.103.125.255 | 512 | US |
allocated | 2026-01-13 | 1207ac435f4d… |
| 155.103.126.0 – 155.103.127.255 | 512 | US |
allocated | 2026-01-13 | 4ed61c6aa75f… |
| 155.103.128.0 – 155.103.131.255 | 1,024 | US |
allocated | 2026-01-13 | 7bc1ff908a7a… |
| 155.103.132.0 – 155.103.135.255 | 1,024 | US |
allocated | 2026-01-13 | 0754207f9812… |
| 155.103.136.0 – 155.103.139.255 | 1,024 | US |
allocated | 2026-01-13 | a3dff07a955e… |
| 155.103.144.0 – 155.103.147.255 | 1,024 | US |
allocated | 2026-01-13 | c34a578ece2c… |
| 155.103.148.0 – 155.103.151.255 | 1,024 | CA |
allocated | 2026-01-13 | 242ed7177cc8… |
| 155.103.152.0 – 155.103.155.255 | 1,024 | US |
allocated | 2026-01-13 | ec0970844cee… |
| 155.103.156.0 – 155.103.159.255 | 1,024 | US |
allocated | 2026-01-13 | 02a2dfcb4acf… |
| 155.103.160.0 – 155.103.163.255 | 1,024 |  JP |
allocated | 2026-01-13 | 2526630b3ebf… |
| 155.103.164.0 – 155.103.167.255 | 1,024 | CA |
allocated | 2026-01-13 | 8d617c1bb113… |
| 155.103.172.0 – 155.103.175.255 | 1,024 | US |
allocated | 2026-01-13 | d6d736f1268e… |
| 155.103.176.0 – 155.103.179.255 | 1,024 | US |
allocated | 2026-01-13 | 414ef7857539… |
| 155.103.180.0 – 155.103.180.255 | 256 | US |
allocated | 2026-01-13 | 211033d2c4ae… |
| 155.103.182.0 – 155.103.182.255 | 256 | US |
allocated | 2026-01-13 | 1d7b33fc26ca… |
| 155.103.185.0 – 155.103.185.255 | 256 | US |
allocated | 2026-01-13 | e7d8d646c815… |
| 155.103.186.0 – 155.103.186.255 | 256 | US |
allocated | 2026-01-13 | da87790d83c0… |
| 155.103.187.0 – 155.103.187.255 | 256 | US |
allocated | 2026-01-13 | 507dcdc0b728… |
| 155.103.188.0 – 155.103.189.255 | 512 | US |
allocated | 2026-01-13 | 85893a89da48… |
| 155.103.190.0 – 155.103.190.255 | 256 | US |
allocated | 2026-01-13 | cbeb726ec8ce… |
| 155.103.191.0 – 155.103.191.255 | 256 | US |
allocated | 2026-01-13 | 25d69ee207db… |
| 155.103.192.0 – 155.103.192.255 | 256 | CA |
allocated | 2026-01-13 | 82a3974c4625… |
| 155.103.193.0 – 155.103.193.255 | 256 | US |
allocated | 2026-01-13 | 52e0e4e7eeba… |