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
1,644,513,536
📦
IPv4 networks
77,313
delegated blocks
🧭
IPv6 networks
11,586
delegated blocks
🔗
Autonomous systems
34,304
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.75.65.0 – 192.75.65.255 | 256 | allocated | 1991-01-15 | c8bae1572cdf… | |
| 192.75.66.0 – 192.75.66.255 | 256 | allocated | 1991-01-15 | 1353da1ff3b2… | |
| 192.75.67.0 – 192.75.67.255 | 256 | allocated | 1991-01-15 | f5646dae49c4… | |
| 192.75.70.0 – 192.75.70.255 | 256 | allocated | 1991-01-15 | 4864194e8ebe… | |
| 192.75.71.0 – 192.75.71.255 | 256 | allocated | 1991-01-15 | a7ebb5da9a25… | |
| 192.88.199.0 – 192.88.199.255 | 256 | allocated | 1991-01-15 | 71167fb7455b… | |
| 192.88.200.0 – 192.88.200.255 | 256 | allocated | 1991-01-15 | d38ac247b9a8… | |
| 192.88.203.0 – 192.88.203.255 | 256 | allocated | 1991-01-15 | ce3cd49c780f… | |
| 192.88.205.0 – 192.88.205.255 | 256 | allocated | 1991-01-15 | 03e80f338ae6… | |
| 192.88.206.0 – 192.88.206.255 | 256 | allocated | 1991-01-15 | 4d201f6d439d… | |
| 192.88.245.0 – 192.88.245.255 | 256 | allocated | 1991-01-15 | 5b48cb28f432… | |
| 192.88.246.0 – 192.88.247.255 | 512 | allocated | 1991-01-15 | 5b48cb28f432… | |
| 192.91.142.0 – 192.91.142.255 | 256 | allocated | 1991-01-15 | 19496914d4ea… | |
| 192.91.143.0 – 192.91.143.255 | 256 | allocated | 1991-01-15 | 61aea54dae97… | |
| 144.250.0.0 – 144.250.255.255 | 65,536 | allocated | 1991-01-14 | 992dba10f183… | |
| 144.251.0.0 – 144.251.255.255 | 65,536 | allocated | 1991-01-14 | 45fe880b68a8… | |
| 144.252.0.0 – 144.252.255.255 | 65,536 | allocated | 1991-01-14 | 45fe880b68a8… | |
| 192.91.138.0 – 192.91.138.255 | 256 | allocated | 1991-01-14 | 45fe880b68a8… | |
| 192.91.137.0 – 192.91.137.255 | 256 | allocated | 1991-01-12 | 45fe880b68a8… | |
| 132.209.0.0 – 132.209.255.255 | 65,536 | allocated | 1991-01-11 | 70da8e9cd32a… | |
| 144.216.0.0 – 144.216.255.255 | 65,536 | allocated | 1991-01-11 | 08db3fcc7f4f… | |
| 144.219.0.0 – 144.219.255.255 | 65,536 | allocated | 1991-01-11 | 0596821a6910… | |
| 144.221.0.0 – 144.221.255.255 | 65,536 | allocated | 1991-01-11 | 0596821a6910… | |
| 144.222.0.0 – 144.222.255.255 | 65,536 | allocated | 1991-01-11 | 0596821a6910… | |
| 144.223.0.0 – 144.223.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.224.0.0 – 144.224.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.226.0.0 – 144.226.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.228.0.0 – 144.228.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.229.0.0 – 144.229.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.230.0.0 – 144.230.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 144.231.0.0 – 144.231.255.255 | 65,536 | allocated | 1991-01-11 | c4fef8e680d3… | |
| 144.232.0.0 – 144.232.255.255 | 65,536 | allocated | 1991-01-11 | 37fe01d6d027… | |
| 192.88.207.0 – 192.88.207.255 | 256 | allocated | 1991-01-11 | 86ad289f4beb… | |
| 192.88.208.0 – 192.88.208.255 | 256 | allocated | 1991-01-11 | f7913bd6d3ff… | |
| 192.88.209.0 – 192.88.209.255 | 256 | allocated | 1991-01-11 | d92f3bf935e8… | |
| 192.88.210.0 – 192.88.210.255 | 256 | allocated | 1991-01-11 | d92f3bf935e8… | |
| 192.88.211.0 – 192.88.211.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.212.0 – 192.88.212.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.213.0 – 192.88.213.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.214.0 – 192.88.214.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.215.0 – 192.88.215.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.216.0 – 192.88.216.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.217.0 – 192.88.217.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.218.0 – 192.88.218.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.219.0 – 192.88.219.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.220.0 – 192.88.220.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.221.0 – 192.88.221.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.222.0 – 192.88.222.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.223.0 – 192.88.223.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.224.0 – 192.88.224.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.225.0 – 192.88.225.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.226.0 – 192.88.226.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.227.0 – 192.88.227.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.228.0 – 192.88.228.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.229.0 – 192.88.229.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.230.0 – 192.88.230.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.231.0 – 192.88.231.255 | 256 | allocated | 1991-01-11 | 9ed7bb68f73a… | |
| 192.88.232.0 – 192.88.232.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.233.0 – 192.88.233.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.234.0 – 192.88.234.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.235.0 – 192.88.235.255 | 256 | allocated | 1991-01-11 | 78fc833c0b8b… | |
| 192.88.240.0 – 192.88.240.255 | 256 | allocated | 1991-01-11 | aa58cc570f07… | |
| 192.88.241.0 – 192.88.241.255 | 256 | allocated | 1991-01-11 | 9633fca1b783… | |
| 192.88.242.0 – 192.88.242.255 | 256 | allocated | 1991-01-11 | 1a94ca9ac14c… | |
| 192.88.244.0 – 192.88.244.255 | 256 | allocated | 1991-01-11 | 8a58bb0f0588… | |
| 192.91.132.0 – 192.91.135.255 | 1,024 | allocated | 1991-01-11 | b932558eb528… | |
| 192.91.136.0 – 192.91.136.255 | 256 | allocated | 1991-01-11 | b932558eb528… | |
| 128.4.0.0 – 128.4.255.255 | 65,536 | allocated | 1991-01-10 | 279fb28df10a… | |
| 144.233.0.0 – 144.233.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.234.0.0 – 144.234.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.235.0.0 – 144.235.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.236.0.0 – 144.236.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.237.0.0 – 144.237.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.238.0.0 – 144.238.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.239.0.0 – 144.239.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.240.0.0 – 144.240.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.241.0.0 – 144.241.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.242.0.0 – 144.242.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.244.0.0 – 144.244.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.245.0.0 – 144.245.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 144.246.0.0 – 144.246.255.255 | 65,536 | allocated | 1991-01-09 | 45fe880b68a8… | |
| 146.1.0.0 – 146.1.255.255 | 65,536 | allocated | 1991-01-09 | e220ed812a4c… | |
| 192.85.0.0 – 192.85.255.255 | 65,536 | allocated | 1991-01-09 | 161fb0fc33bc… | |
| 192.91.105.0 – 192.91.105.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.106.0 – 192.91.106.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.107.0 – 192.91.107.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.108.0 – 192.91.108.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.109.0 – 192.91.109.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.110.0 – 192.91.110.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.111.0 – 192.91.111.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.112.0 – 192.91.112.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.113.0 – 192.91.113.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.114.0 – 192.91.114.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.115.0 – 192.91.115.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.116.0 – 192.91.116.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.117.0 – 192.91.117.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.118.0 – 192.91.118.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.119.0 – 192.91.119.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.120.0 – 192.91.120.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… | |
| 192.91.121.0 – 192.91.121.255 | 256 | allocated | 1991-01-09 | acfc4932ac54… |