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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 64.111.42.0 – 64.111.43.255 | 512 |  US |
allocated | 2005-03-03 | c8be658e558e… |
| 64.111.44.0 – 64.111.44.255 | 256 | US |
allocated | 2005-03-03 | c8be658e558e… |
| 64.111.45.0 – 64.111.45.255 | 256 | US |
allocated | 2005-03-03 | 4fcc2e148773… |
| 64.111.46.0 – 64.111.46.255 | 256 | US |
allocated | 2005-03-03 | fe1bf20bce56… |
| 64.111.47.0 – 64.111.47.255 | 256 | US |
allocated | 2005-03-03 | 4fcc2e148773… |
| 64.111.48.0 – 64.111.55.255 | 2,048 | US |
allocated | 2005-03-03 | fe1bf20bce56… |
| 64.111.56.0 – 64.111.56.255 | 256 | US |
allocated | 2005-03-03 | ee8bedaf369d… |
| 64.111.57.0 – 64.111.57.255 | 256 | US |
allocated | 2005-03-03 | fe1bf20bce56… |
| 64.111.58.0 – 64.111.59.255 | 512 | US |
allocated | 2005-03-03 | c8be658e558e… |
| 64.111.60.0 – 64.111.60.255 | 256 | US |
allocated | 2005-03-03 | 4fcc2e148773… |
| 64.111.61.0 – 64.111.61.255 | 256 | US |
allocated | 2005-03-03 | c8be658e558e… |
| 64.111.62.0 – 64.111.62.255 | 256 | US |
allocated | 2005-03-03 | fe1bf20bce56… |
| 64.111.63.0 – 64.111.63.255 | 256 | US |
allocated | 2005-03-03 | ee8bedaf369d… |
| 204.11.168.0 – 204.11.175.255 | 2,048 | US |
allocated | 2005-03-03 | 9358729dacc8… |
| 206.248.64.0 – 206.248.127.255 | 16,384 | US |
allocated | 2005-03-03 | ce33fb2218d7… |
| 216.183.80.0 – 216.183.95.255 | 4,096 |  CA |
allocated | 2005-03-03 | 0042cdeb1e05… |
| 24.72.160.0 – 24.72.167.255 | 2,048 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.168.0 – 24.72.171.255 | 1,024 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.172.0 – 24.72.173.255 | 512 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.174.0 – 24.72.174.255 | 256 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.175.0 – 24.72.175.255 | 256 | US |
allocated | 2005-03-02 | dc28ffe4a49a… |
| 24.72.176.0 – 24.72.183.255 | 2,048 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.184.0 – 24.72.185.255 | 512 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 24.72.186.0 – 24.72.187.255 | 512 | US |
allocated | 2005-03-02 | dc28ffe4a49a… |
| 24.72.188.0 – 24.72.191.255 | 1,024 | US |
allocated | 2005-03-02 | 29c3e989e995… |
| 207.150.240.0 – 207.150.255.255 | 4,096 |  PR |
allocated | 2005-03-02 | 46ac846b8731… |
| 216.41.208.0 – 216.41.211.255 | 1,024 | US |
allocated | 2005-03-02 | 59c4c045e7f0… |
| 216.41.212.0 – 216.41.215.255 | 1,024 | US |
allocated | 2005-03-02 | e6d7009a63c9… |
| 216.41.216.0 – 216.41.216.255 | 256 | US |
allocated | 2005-03-02 | e6d7009a63c9… |
| 216.41.217.0 – 216.41.217.255 | 256 | US |
allocated | 2005-03-02 | 59c4c045e7f0… |
| 216.41.218.0 – 216.41.219.255 | 512 | US |
allocated | 2005-03-02 | 59c4c045e7f0… |
| 216.41.220.0 – 216.41.220.255 | 256 | US |
allocated | 2005-03-02 | e6d7009a63c9… |
| 216.41.221.0 – 216.41.221.255 | 256 | US |
allocated | 2005-03-02 | 59c4c045e7f0… |
| 216.41.222.0 – 216.41.223.255 | 512 | US |
allocated | 2005-03-02 | e6d7009a63c9… |
| 206.248.0.0 – 206.248.31.255 | 8,192 | US |
allocated | 2005-03-01 | 610b0c447cf5… |
| 216.24.112.0 – 216.24.127.255 | 4,096 | US |
allocated | 2005-03-01 | 433d6f11153c… |
| 24.246.192.0 – 24.246.223.255 | 8,192 | US |
allocated | 2005-02-28 | 27a3be7c1707… |
| 72.33.0.0 – 72.33.255.255 | 65,536 | US |
allocated | 2005-02-28 | b80d0f10fd65… |
| 72.34.192.0 – 72.34.223.255 | 8,192 | US |
allocated | 2005-02-28 | 07d1395a2145… |
| 192.94.234.0 – 192.94.234.255 | 256 | US |
allocated | 2005-02-28 | 45fe880b68a8… |
| 204.11.140.0 – 204.11.143.255 | 1,024 | US |
allocated | 2005-02-28 | 85559076cd7e… |
| 24.170.224.0 – 24.170.255.255 | 8,192 | US |
allocated | 2005-02-25 | 5c29f729c6d1… |
| 72.32.0.0 – 72.32.255.255 | 65,536 | US |
allocated | 2005-02-25 | c66e83fbb76c… |
| 204.11.136.0 – 204.11.139.255 | 1,024 | US |
allocated | 2005-02-25 | 54a2ae075cc1… |
| 207.199.192.0 – 207.199.255.255 | 16,384 | US |
allocated | 2005-02-25 | 5ad6348a6e84… |
| 204.11.128.0 – 204.11.135.255 | 2,048 | US |
allocated | 2005-02-24 | 6cd6208e8ff3… |
| 216.169.224.0 – 216.169.239.255 | 4,096 | US |
allocated | 2005-02-24 | d538268083a4… |
| 72.31.0.0 – 72.31.255.255 | 65,536 | US |
allocated | 2005-02-23 | de94a62ce8f9… |
| 72.34.128.0 – 72.34.159.255 | 8,192 | US |
allocated | 2005-02-23 | 7de0a857d7c5… |
| 72.36.128.0 – 72.36.255.255 | 32,768 | US |
allocated | 2005-02-22 | 67ce42f5d914… |
| 204.11.124.0 – 204.11.127.255 | 1,024 | US |
allocated | 2005-02-18 | b3a1de881015… |
| 72.36.0.0 – 72.36.63.255 | 16,384 | US |
allocated | 2005-02-17 | 70c4783b6232… |
| 72.250.0.0 – 72.250.127.255 | 32,768 | US |
allocated | 2005-02-15 | c4fef8e680d3… |
| 216.9.96.0 – 216.9.111.255 | 4,096 | US |
allocated | 2005-02-15 | 7f65561670d8… |
| 72.34.96.0 – 72.34.127.255 | 8,192 | US |
allocated | 2005-02-14 | 91091fa318f3… |
| 72.34.64.0 – 72.34.95.255 | 8,192 | US |
allocated | 2005-02-11 | 847de7cd037e… |
| 204.11.116.0 – 204.11.119.255 | 1,024 | US |
allocated | 2005-02-11 | 3a7b40ab58f6… |
| 204.11.120.0 – 204.11.123.255 | 1,024 | CA |
allocated | 2005-02-11 | 9f2122981d76… |
| 204.11.96.0 – 204.11.103.255 | 2,048 | US |
allocated | 2005-02-10 | d831be35eff0… |
| 204.11.104.0 – 204.11.107.255 | 1,024 | US |
allocated | 2005-02-10 | 4ede0c8fb611… |
| 204.11.108.0 – 204.11.111.255 | 1,024 | US |
allocated | 2005-02-10 | 50e16089a00e… |
| 207.166.112.0 – 207.166.127.255 | 4,096 | PR |
allocated | 2005-02-10 | d89f312e331f… |
| 72.34.32.0 – 72.34.63.255 | 8,192 | US |
allocated | 2005-02-09 | b1c3f1f64ba6… |
| 209.234.112.0 – 209.234.127.255 | 4,096 | US |
allocated | 2005-02-09 | 15d23e1e58ed… |
| 216.117.112.0 – 216.117.127.255 | 4,096 | US |
allocated | 2005-02-09 | 0097f79db27e… |
| 72.26.128.0 – 72.26.191.255 | 16,384 | US |
allocated | 2005-02-08 | d538268083a4… |
| 72.34.0.0 – 72.34.15.255 | 4,096 | US |
allocated | 2005-02-08 | dfe5691a9024… |
| 209.165.240.0 – 209.165.255.255 | 4,096 | US |
allocated | 2005-02-08 | fe1bf20bce56… |
| 216.7.112.0 – 216.7.127.255 | 4,096 | US |
allocated | 2005-02-08 | 70920dc57a70… |
| 204.11.80.0 – 204.11.87.255 | 2,048 | US |
allocated | 2005-02-07 | 98e6c615fd07… |
| 72.29.224.0 – 72.29.255.255 | 8,192 | CA |
allocated | 2005-02-04 | f6378853cc62… |
| 72.29.192.0 – 72.29.223.255 | 8,192 | US |
allocated | 2005-02-03 | 614346bde8f8… |
| 24.244.80.0 – 24.244.95.255 | 4,096 | CA |
allocated | 2005-02-02 | 9dc5071139ba… |
| 72.29.160.0 – 72.29.191.255 | 8,192 | US |
allocated | 2005-02-02 | 1a922969fbba… |
| 72.29.128.0 – 72.29.143.255 | 4,096 | US |
allocated | 2005-02-01 | 551b723eafd6… |
| 209.147.112.0 – 209.147.127.255 | 4,096 | US |
allocated | 2005-02-01 | 860fa092fe05… |
| 72.29.96.0 – 72.29.127.255 | 8,192 | US |
allocated | 2005-01-31 | 6e048190eb9a… |
| 204.11.36.0 – 204.11.39.255 | 1,024 | US |
allocated | 2005-01-31 | 49ce97062ff1… |
| 72.30.0.0 – 72.30.255.255 | 65,536 | US |
allocated | 2005-01-28 | c2dfb9e7c865… |
| 72.29.32.0 – 72.29.63.255 | 8,192 | US |
allocated | 2005-01-26 | 92cd417a5926… |
| 72.29.64.0 – 72.29.95.255 | 8,192 | US |
allocated | 2005-01-26 | 019ec0731a9b… |
| 204.11.40.0 – 204.11.47.255 | 2,048 | US |
allocated | 2005-01-26 | e699d5afb08b… |
| 204.11.48.0 – 204.11.55.255 | 2,048 | CA |
allocated | 2005-01-26 | 2b747aa89313… |
| 216.211.176.0 – 216.211.191.255 | 4,096 | US |
allocated | 2005-01-26 | 612e58455b76… |
| 209.17.112.0 – 209.17.115.255 | 1,024 | US |
allocated | 2005-01-25 | 6ada2dfe397d… |
| 209.17.116.0 – 209.17.117.255 | 512 | US |
allocated | 2005-01-25 | 6ada2dfe397d… |
| 209.17.119.0 – 209.17.119.255 | 256 | US |
allocated | 2005-01-25 | 6ada2dfe397d… |
| 209.17.120.0 – 209.17.127.255 | 2,048 | US |
allocated | 2005-01-25 | 6ada2dfe397d… |
| 209.161.112.0 – 209.161.127.255 | 4,096 | US |
allocated | 2005-01-25 | 34c516dd87aa… |
| 204.11.4.0 – 204.11.7.255 | 1,024 | US |
allocated | 2005-01-24 | b54e65621d67… |
| 204.11.24.0 – 204.11.31.255 | 2,048 | US |
allocated | 2005-01-24 | 3610896d0cf0… |
| 204.11.32.0 – 204.11.35.255 | 1,024 | US |
allocated | 2005-01-24 | b7eb5254095a… |
| 72.17.0.0 – 72.17.127.255 | 32,768 | US |
allocated | 2005-01-21 | de94a62ce8f9… |
| 72.22.160.0 – 72.22.191.255 | 8,192 | US |
allocated | 2005-01-21 | 34d342be0361… |
| 72.22.224.0 – 72.22.255.255 | 8,192 | US |
allocated | 2005-01-21 | 412b54f662be… |
| 216.147.240.0 – 216.147.255.255 | 4,096 | US |
allocated | 2005-01-21 | b3042e1c3e82… |
| 72.22.104.0 – 72.22.111.255 | 2,048 | US |
allocated | 2005-01-19 | fe5d2351f6d4… |
| 72.22.128.0 – 72.22.159.255 | 8,192 |  BB |
allocated | 2005-01-19 | a2808ab99afe… |
| 72.252.0.0 – 72.252.255.255 | 65,536 | US |
allocated | 2005-01-19 | 7faa29af02d6… |
| 209.170.176.0 – 209.170.191.255 | 4,096 | US |
allocated | 2005-01-19 | 07a73d482721… |