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 |
|---|---|---|---|---|---|
| 187.52.224.0 – 187.52.255.255 | 8,192 |  US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.53.160.0 – 187.53.191.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.54.0.0 – 187.54.15.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.54.224.0 – 187.54.255.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.55.64.0 – 187.55.95.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.55.128.0 – 187.55.159.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.55.160.0 – 187.55.175.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.78.128.0 – 187.78.159.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.79.128.0 – 187.79.143.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 187.79.160.0 – 187.79.191.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.10.64.0 – 189.10.95.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.10.144.0 – 189.10.159.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.10.208.0 – 189.10.223.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.12.0.0 – 189.12.31.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.30.48.0 – 189.30.63.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.31.224.0 – 189.31.255.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.72.96.0 – 189.72.127.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 189.105.16.0 – 189.105.31.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 191.217.112.0 – 191.217.127.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 191.223.128.0 – 191.223.159.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 200.97.96.0 – 200.97.127.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.8.0.0 – 201.8.31.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.8.32.0 – 201.8.47.255 | 4,096 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.10.64.0 – 201.10.95.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.14.224.0 – 201.14.255.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.24.160.0 – 201.24.191.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.25.160.0 – 201.25.191.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.32.128.0 – 201.32.159.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.78.224.0 – 201.78.255.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 201.89.128.0 – 201.89.159.255 | 8,192 | US |
allocated | 2025-03-13 | 15cb3426edd0… |
| 144.125.0.0 – 144.125.255.255 | 65,536 | US |
allocated | 2025-03-12 | 96d8636ecbf4… |
| 192.80.58.0 – 192.80.59.255 | 512 | US |
allocated | 2025-03-12 | 5669250f95ae… |
| 205.233.90.0 – 205.233.91.255 | 512 | US |
allocated | 2025-03-12 | 921a5b579a10… |
| 207.166.146.0 – 207.166.147.255 | 512 | US |
allocated | 2025-03-12 | 6d26314abe35… |
| 208.83.60.0 – 208.83.63.255 | 1,024 | US |
allocated | 2025-03-12 | 964f8d193231… |
| 23.135.204.0 – 23.135.204.255 | 256 | US |
allocated | 2025-03-11 | 007243437821… |
| 23.135.220.0 – 23.135.220.255 | 256 | US |
allocated | 2025-03-11 | 5d47dd5f04c6… |
| 23.135.236.0 – 23.135.236.255 | 256 | US |
allocated | 2025-03-11 | bb225f0b1caf… |
| 64.188.48.0 – 64.188.55.255 | 2,048 | US |
allocated | 2025-03-11 | ab341ef38bd5… |
| 136.242.88.0 – 136.242.95.255 | 2,048 | US |
allocated | 2025-03-11 | 5edc763a2be7… |
| 199.30.244.0 – 199.30.247.255 | 1,024 | US |
allocated | 2025-03-11 | e55bc8a7c873… |
| 204.57.240.0 – 204.57.247.255 | 2,048 | US |
allocated | 2025-03-11 | 6e0589da8312… |
| 67.221.247.0 – 67.221.247.255 | 256 | US |
allocated | 2025-03-10 | f579d9967cdb… |
| 136.242.64.0 – 136.242.79.255 | 4,096 | US |
allocated | 2025-03-10 | 2f2d42f30481… |
| 143.223.82.0 – 143.223.83.255 | 512 | US |
allocated | 2025-03-10 | 96f544999af8… |
| 144.126.64.0 – 144.126.127.255 | 16,384 | US |
allocated | 2025-03-10 | c1dfdf31702f… |
| 152.228.36.0 – 152.228.39.255 | 1,024 | US |
allocated | 2025-03-10 | e0bd78ac90ba… |
| 161.115.128.0 – 161.115.159.255 | 8,192 |  CA |
allocated | 2025-03-10 | 0d9e09639e11… |
| 167.106.0.0 – 167.106.255.255 | 65,536 | US |
allocated | 2025-03-10 | 2e8affbc9d91… |
| 167.234.80.0 – 167.234.95.255 | 4,096 | US |
allocated | 2025-03-10 | f552c52bfd4b… |
| 198.186.171.0 – 198.186.171.255 | 256 | US |
allocated | 2025-03-10 | 819a53569426… |
| 198.186.172.0 – 198.186.172.255 | 256 | US |
allocated | 2025-03-10 | 819a53569426… |
| 198.202.16.0 – 198.202.16.255 | 256 | CA |
allocated | 2025-03-10 | d7fa1321fd84… |
| 23.135.196.0 – 23.135.196.255 | 256 | US |
allocated | 2025-03-07 | 1c8b62916fd5… |
| 23.161.169.0 – 23.161.169.255 | 256 | US |
allocated | 2025-03-07 | e489f2ef9b9b… |
| 23.135.188.0 – 23.135.188.255 | 256 | US |
allocated | 2025-03-06 | aea56cf3258e… |
| 129.212.128.0 – 129.212.255.255 | 32,768 | US |
allocated | 2025-03-06 | cd0f3b8e7d94… |
| 152.234.192.0 – 152.234.255.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 172.87.46.0 – 172.87.46.255 | 256 | US |
allocated | 2025-03-06 | 77ac741ce968… |
| 177.0.64.0 – 177.0.95.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.3.192.0 – 177.3.255.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.201.160.0 – 177.201.191.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.202.64.0 – 177.202.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.203.96.0 – 177.203.127.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.203.224.0 – 177.203.255.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 177.208.0.0 – 177.208.255.255 | 65,536 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.67.0.0 – 179.67.127.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.197.160.0 – 179.197.191.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.198.0.0 – 179.198.63.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.198.128.0 – 179.198.191.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.199.0.0 – 179.199.127.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.236.0.0 – 179.236.31.255 | 8,192 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.236.128.0 – 179.236.191.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.253.64.0 – 179.253.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.253.128.0 – 179.253.191.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.254.64.0 – 179.254.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 179.254.128.0 – 179.254.191.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 187.13.64.0 – 187.13.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 187.15.0.0 – 187.15.63.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 187.79.0.0 – 187.79.127.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 187.126.128.0 – 187.126.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 189.49.128.0 – 189.49.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 189.105.128.0 – 189.105.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 189.106.0.0 – 189.107.255.255 | 131,072 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 191.217.192.0 – 191.217.255.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 199.34.126.0 – 199.34.127.255 | 512 | US |
allocated | 2025-03-06 | 4e2946c27ec4… |
| 201.4.128.0 – 201.4.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.8.64.0 – 201.8.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.8.128.0 – 201.8.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.19.0.0 – 201.19.255.255 | 65,536 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.50.128.0 – 201.50.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.51.64.0 – 201.51.127.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.51.128.0 – 201.51.255.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.58.0.0 – 201.58.63.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.58.128.0 – 201.58.191.255 | 16,384 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 201.78.0.0 – 201.78.127.255 | 32,768 | US |
allocated | 2025-03-06 | 15cb3426edd0… |
| 23.135.180.0 – 23.135.180.255 | 256 | US |
allocated | 2025-03-05 | b96fb04b0e3b… |
| 142.204.128.0 – 142.204.255.255 | 32,768 | US |
allocated | 2025-03-05 | 11e220c3e486… |
| 192.92.99.0 – 192.92.99.255 | 256 | CA |
allocated | 2025-03-05 | 165bd6ed0e8a… |
| 199.38.32.0 – 199.38.47.255 | 4,096 | US |
allocated | 2025-03-05 | 43e6f22be402… |