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
1,645,582,848
📦
IPv4 networks
76,670
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,007
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.102.8.0 – 199.102.15.255 | 2,048 |  US |
allocated | 1994-01-11 | 9c2c05f3c319… |
| 199.103.13.0 – 199.103.13.255 | 256 | US |
allocated | 1994-01-11 | 4b981b3209a8… |
| 199.103.14.0 – 199.103.15.255 | 512 | US |
allocated | 1994-01-11 | 4b981b3209a8… |
| 199.109.0.0 – 199.109.255.255 | 65,536 | US |
allocated | 1994-01-11 | 9a24021cda9b… |
| 199.110.0.0 – 199.110.255.255 | 65,536 | US |
allocated | 1994-01-11 | 9a24021cda9b… |
| 199.111.0.0 – 199.111.255.255 | 65,536 | US |
allocated | 1994-01-11 | 82865ed7dece… |
| 166.127.0.0 – 166.127.255.255 | 65,536 | US |
allocated | 1994-01-10 | 2788e12d0e32… |
| 168.64.0.0 – 168.64.255.255 | 65,536 | US |
allocated | 1994-01-10 | 68f794a20672… |
| 199.33.141.0 – 199.33.141.255 | 256 | US |
allocated | 1994-01-10 | 528572b6a3db… |
| 199.33.142.0 – 199.33.142.255 | 256 | US |
allocated | 1994-01-10 | b2874834a70e… |
| 199.33.144.0 – 199.33.144.255 | 256 | US |
allocated | 1994-01-10 | 8829041cf011… |
| 199.33.146.0 – 199.33.146.255 | 256 | US |
allocated | 1994-01-10 | f7a70dd15f06… |
| 199.33.147.0 – 199.33.147.255 | 256 | US |
allocated | 1994-01-10 | fc1d15d46e82… |
| 199.33.149.0 – 199.33.149.255 | 256 | US |
allocated | 1994-01-10 | 16674ae0e136… |
| 199.33.150.0 – 199.33.150.255 | 256 | US |
allocated | 1994-01-10 | 99b2de175f05… |
| 199.33.151.0 – 199.33.151.255 | 256 | US |
allocated | 1994-01-10 | 4722f67828ec… |
| 199.33.152.0 – 199.33.152.255 | 256 | US |
allocated | 1994-01-10 | df279b06ee6f… |
| 199.33.153.0 – 199.33.153.255 | 256 | US |
allocated | 1994-01-10 | be812ec8b17c… |
| 199.33.154.0 – 199.33.155.255 | 512 | US |
allocated | 1994-01-10 | be812ec8b17c… |
| 199.33.156.0 – 199.33.157.255 | 512 | US |
allocated | 1994-01-10 | be812ec8b17c… |
| 199.33.158.0 – 199.33.158.255 | 256 | US |
allocated | 1994-01-10 | 2b8d7dd50f7c… |
| 199.45.166.0 – 199.45.166.255 | 256 | US |
allocated | 1994-01-10 | 5cec1b2235f6… |
| 199.45.240.0 – 199.45.240.255 | 256 | US |
allocated | 1994-01-10 | 5cec1b2235f6… |
| 199.45.255.0 – 199.45.255.255 | 256 | US |
allocated | 1994-01-10 | 5cec1b2235f6… |
| 199.104.0.0 – 199.104.7.255 | 2,048 | US |
allocated | 1994-01-10 | f5ba309c0cda… |
| 199.104.12.0 – 199.104.15.255 | 1,024 | US |
allocated | 1994-01-10 | f5ba309c0cda… |
| 199.104.16.0 – 199.104.19.255 | 1,024 | US |
allocated | 1994-01-10 | f5ba309c0cda… |
| 199.104.23.0 – 199.104.23.255 | 256 | US |
allocated | 1994-01-10 | f5ba309c0cda… |
| 199.104.32.0 – 199.104.63.255 | 8,192 | US |
allocated | 1994-01-10 | f5ba309c0cda… |
| 199.104.64.0 – 199.104.67.255 | 1,024 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.68.0 – 199.104.69.255 | 512 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.70.0 – 199.104.70.255 | 256 | US |
allocated | 1994-01-10 | 86be9785b4a4… |
| 199.104.71.0 – 199.104.71.255 | 256 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.72.0 – 199.104.75.255 | 1,024 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.76.0 – 199.104.77.255 | 512 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.78.0 – 199.104.79.255 | 512 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.80.0 – 199.104.87.255 | 2,048 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.88.0 – 199.104.89.255 | 512 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.90.0 – 199.104.90.255 | 256 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.91.0 – 199.104.91.255 | 256 | US |
allocated | 1994-01-10 | 86be9785b4a4… |
| 199.104.92.0 – 199.104.92.255 | 256 | US |
allocated | 1994-01-10 | 86be9785b4a4… |
| 199.104.93.0 – 199.104.93.255 | 256 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.94.0 – 199.104.94.255 | 256 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.95.0 – 199.104.95.255 | 256 | US |
allocated | 1994-01-10 | 29935aa02263… |
| 199.104.96.0 – 199.104.103.255 | 2,048 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.104.0 – 199.104.105.255 | 512 | US |
allocated | 1994-01-10 | 55d3274e336a… |
| 199.104.106.0 – 199.104.107.255 | 512 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.108.0 – 199.104.111.255 | 1,024 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.112.0 – 199.104.119.255 | 2,048 | US |
allocated | 1994-01-10 | 2e031c0ba683… |
| 199.104.128.0 – 199.104.191.255 | 16,384 | US |
allocated | 1994-01-10 | 6d25f5314a15… |
| 199.104.192.0 – 199.104.207.255 | 4,096 | US |
allocated | 1994-01-10 | bfd87dd68f64… |
| 199.104.208.0 – 199.104.223.255 | 4,096 | US |
allocated | 1994-01-10 | 6d25f5314a15… |
| 199.104.224.0 – 199.104.255.255 | 8,192 | US |
allocated | 1994-01-10 | 6d25f5314a15… |
| 199.105.0.0 – 199.105.255.255 | 65,536 | US |
allocated | 1994-01-10 | 81e05477cc28… |
| 199.106.0.0 – 199.107.255.255 | 131,072 | US |
allocated | 1994-01-10 | 81e05477cc28… |
| 199.108.0.0 – 199.108.255.255 | 65,536 | US |
allocated | 1994-01-10 | 81e05477cc28… |
| 204.225.1.0 – 204.225.1.255 | 256 |  CA |
allocated | 1994-01-10 | d76d77059cf1… |
| 204.225.2.0 – 204.225.3.255 | 512 | CA |
allocated | 1994-01-10 | d76d77059cf1… |
| 204.225.4.0 – 204.225.5.255 | 512 | CA |
allocated | 1994-01-10 | d76d77059cf1… |
| 204.225.8.0 – 204.225.15.255 | 2,048 | CA |
allocated | 1994-01-10 | 66c9655505df… |
| 204.225.142.0 – 204.225.142.255 | 256 | US |
allocated | 1994-01-10 | 6a2bec1ff1c3… |
| 204.225.143.0 – 204.225.143.255 | 256 | CA |
allocated | 1994-01-10 | 39025b6cc589… |
| 204.225.200.0 – 204.225.207.255 | 2,048 | CA |
allocated | 1994-01-10 | 393e3c9fc630… |
| 204.225.222.0 – 204.225.222.255 | 256 | CA |
allocated | 1994-01-10 | ecd5c1e2a710… |
| 204.225.239.0 – 204.225.239.255 | 256 | US |
allocated | 1994-01-10 | dca6e617f6fb… |
| 204.225.240.0 – 204.225.247.255 | 2,048 | CA |
allocated | 1994-01-10 | 0e702695cc8d… |
| 192.40.254.0 – 192.40.254.255 | 256 | CA |
allocated | 1994-01-07 | 881d59d31a7d… |
| 199.10.135.0 – 199.10.135.255 | 256 | US |
allocated | 1994-01-07 | 45fe880b68a8… |
| 199.20.64.0 – 199.20.127.255 | 16,384 | US |
allocated | 1994-01-07 | 350fe0a40f2f… |
| 199.26.252.0 – 199.26.252.255 | 256 | US |
allocated | 1994-01-07 | 141651d903bd… |
| 199.26.253.0 – 199.26.253.255 | 256 | US |
allocated | 1994-01-07 | ba429ad9a768… |
| 199.26.254.0 – 199.26.254.255 | 256 | US |
allocated | 1994-01-07 | 52edb2f0dd77… |
| 199.33.128.0 – 199.33.129.255 | 512 | US |
allocated | 1994-01-07 | fec15bf63d07… |
| 199.33.130.0 – 199.33.131.255 | 512 | US |
allocated | 1994-01-07 | 968d6dea7fd0… |
| 199.33.132.0 – 199.33.133.255 | 512 | US |
allocated | 1994-01-07 | 968d6dea7fd0… |
| 199.33.134.0 – 199.33.134.255 | 256 | US |
allocated | 1994-01-07 | 968d6dea7fd0… |
| 199.33.135.0 – 199.33.135.255 | 256 | US |
allocated | 1994-01-07 | bb08bbf32e06… |
| 199.33.136.0 – 199.33.136.255 | 256 | US |
allocated | 1994-01-07 | 3bd9d7d28e17… |
| 199.33.137.0 – 199.33.137.255 | 256 | US |
allocated | 1994-01-07 | 08840a4064f3… |
| 199.33.138.0 – 199.33.138.255 | 256 | US |
allocated | 1994-01-07 | 5cbd983fdea9… |
| 199.33.139.0 – 199.33.139.255 | 256 | US |
allocated | 1994-01-07 | a014ad7e001b… |
| 199.34.128.0 – 199.34.191.255 | 16,384 | US |
allocated | 1994-01-07 | a4f9c753d628… |
| 199.34.192.0 – 199.34.223.255 | 8,192 | US |
allocated | 1994-01-07 | a4f9c753d628… |
| 199.34.224.0 – 199.34.227.255 | 1,024 | US |
allocated | 1994-01-07 | a4f9c753d628… |
| 199.60.26.0 – 199.60.27.255 | 512 | CA |
allocated | 1994-01-07 | 2f540eb1cdf5… |
| 135.126.0.0 – 135.127.255.255 | 131,072 | US |
allocated | 1994-01-06 | dc46197e5069… |
| 135.128.0.0 – 135.128.255.255 | 65,536 | US |
allocated | 1994-01-06 | dc46197e5069… |
| 135.137.0.0 – 135.137.255.255 | 65,536 | US |
allocated | 1994-01-06 | dc46197e5069… |
| 144.227.0.0 – 144.227.255.255 | 65,536 | US |
allocated | 1994-01-06 | c4fef8e680d3… |
| 198.162.156.0 – 198.162.156.255 | 256 | CA |
allocated | 1994-01-06 | 5c6a08f18e88… |
| 198.185.152.0 – 198.185.152.255 | 256 | US |
allocated | 1994-01-06 | 0539f4139fdf… |
| 198.185.153.0 – 198.185.153.255 | 256 | US |
allocated | 1994-01-06 | 737140600804… |
| 199.5.175.0 – 199.5.175.255 | 256 | US |
allocated | 1994-01-06 | 47afefb8b412… |
| 199.26.213.0 – 199.26.213.255 | 256 | US |
allocated | 1994-01-06 | 5e2f3834dc78… |
| 199.26.214.0 – 199.26.215.255 | 512 | US |
allocated | 1994-01-06 | 5e2f3834dc78… |
| 199.26.216.0 – 199.26.216.255 | 256 | US |
allocated | 1994-01-06 | 5e2f3834dc78… |
| 199.26.217.0 – 199.26.217.255 | 256 | US |
allocated | 1994-01-06 | 374cb2330ed7… |
| 199.26.218.0 – 199.26.218.255 | 256 | US |
allocated | 1994-01-06 | ed4c02276b8f… |
| 199.26.224.0 – 199.26.224.255 | 256 | US |
allocated | 1994-01-06 | 4f49365358ab… |
| 199.26.225.0 – 199.26.225.255 | 256 | US |
allocated | 1994-01-06 | 9aeff904f413… |