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
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 216.243.192.0 – 216.243.223.255 | 8,192 |  US |
allocated | 2000-12-21 | f5f7b3f4a69d… |
| 216.243.224.0 – 216.243.239.255 | 4,096 | US |
allocated | 2000-12-21 | f5f7b3f4a69d… |
| 192.25.133.0 – 192.25.133.255 | 256 | US |
allocated | 2000-12-20 | 2c8b2bf4523d… |
| 66.51.0.0 – 66.51.15.255 | 4,096 | US |
allocated | 2000-12-19 | 4b179ab78b2a… |
| 66.51.24.0 – 66.51.31.255 | 2,048 | US |
allocated | 2000-12-19 | 4b179ab78b2a… |
| 207.192.192.0 – 207.192.255.255 | 16,384 | US |
allocated | 2000-12-19 | dc28ffe4a49a… |
| 66.56.96.0 – 66.56.127.255 | 8,192 | US |
allocated | 2000-12-18 | d2fc8fbc818f… |
| 66.56.128.0 – 66.56.255.255 | 32,768 | US |
allocated | 2000-12-18 | d2fc8fbc818f… |
| 66.57.0.0 – 66.57.255.255 | 65,536 | US |
allocated | 2000-12-18 | d2fc8fbc818f… |
| 216.69.224.0 – 216.69.239.255 | 4,096 | US |
allocated | 2000-12-18 | cdb7d42057bd… |
| 216.224.96.0 – 216.224.111.255 | 4,096 | US |
allocated | 2000-12-18 | cdb7d42057bd… |
| 24.76.0.0 – 24.79.255.255 | 262,144 |  CA |
allocated | 2000-12-15 | f6378853cc62… |
| 63.249.64.0 – 63.249.127.255 | 16,384 | US |
allocated | 2000-12-15 | e9a4598b2bb7… |
| 207.188.192.0 – 207.188.255.255 | 16,384 | US |
allocated | 2000-12-15 | 9f250f5ca99a… |
| 66.55.0.0 – 66.55.63.255 | 16,384 | US |
allocated | 2000-12-14 | e5e3b9c13678… |
| 66.54.0.0 – 66.54.63.255 | 16,384 | US |
allocated | 2000-12-13 | 161fb0fc33bc… |
| 170.117.0.0 – 170.117.127.255 | 32,768 | US |
allocated | 2000-12-13 | 817535b93070… |
| 209.20.96.0 – 209.20.127.255 | 8,192 | US |
allocated | 2000-12-13 | 6fae6db812e4… |
| 216.14.160.0 – 216.14.175.255 | 4,096 | US |
allocated | 2000-12-13 | cdb7d42057bd… |
| 24.184.0.0 – 24.187.255.255 | 262,144 | US |
allocated | 2000-12-12 | aaf656fbdfd1… |
| 64.15.32.0 – 64.15.47.255 | 4,096 |  AU |
allocated | 2000-12-12 | acc65c45f953… |
| 64.15.160.0 – 64.15.191.255 | 8,192 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 64.15.192.0 – 64.15.207.255 | 4,096 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 64.15.224.0 – 64.15.255.255 | 8,192 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 206.252.0.0 – 206.252.31.255 | 8,192 | US |
allocated | 2000-12-12 | 9f14454567a6… |
| 209.39.0.0 – 209.39.255.255 | 65,536 | US |
allocated | 2000-12-12 | 9f14454567a6… |
| 216.37.64.0 – 216.37.95.255 | 8,192 | US |
allocated | 2000-12-12 | 8b7160a5496c… |
| 216.41.224.0 – 216.41.224.255 | 256 | US |
allocated | 2000-12-12 | 683dde5b2b87… |
| 216.144.64.0 – 216.144.79.255 | 4,096 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 216.182.64.0 – 216.182.79.255 | 4,096 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 216.182.160.0 – 216.182.175.255 | 4,096 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 216.182.192.0 – 216.182.223.255 | 8,192 | US |
allocated | 2000-12-12 | cdb7d42057bd… |
| 65.84.0.0 – 65.85.255.255 | 131,072 | US |
allocated | 2000-12-08 | a7f7463af3d3… |
| 65.86.0.0 – 65.86.255.255 | 65,536 | US |
allocated | 2000-12-08 | a7f7463af3d3… |
| 216.171.160.0 – 216.171.175.255 | 4,096 | US |
allocated | 2000-12-08 | 0bb4d98d3dcb… |
| 216.171.192.0 – 216.171.223.255 | 8,192 | US |
allocated | 2000-12-08 | 190de5f69a26… |
| 216.104.48.0 – 216.104.63.255 | 4,096 | US |
allocated | 2000-12-07 | 16a86aabc92f… |
| 216.104.64.0 – 216.104.79.255 | 4,096 | US |
allocated | 2000-12-07 | 07b4afc6ca39… |
| 216.104.96.0 – 216.104.127.255 | 8,192 | CA |
allocated | 2000-12-07 | 041ef52753d9… |
| 216.38.64.0 – 216.38.79.255 | 4,096 | US |
allocated | 2000-12-06 | 61d7f87bc87e… |
| 216.237.192.0 – 216.237.223.255 | 8,192 | US |
allocated | 2000-12-06 | ae43a4dd7f0d… |
| 216.237.224.0 – 216.237.239.255 | 4,096 | US |
allocated | 2000-12-06 | ae43a4dd7f0d… |
| 208.40.128.0 – 208.40.191.255 | 16,384 | US |
allocated | 2000-12-05 | 1cb21afb6f24… |
| 208.40.192.0 – 208.40.207.255 | 4,096 | US |
allocated | 2000-12-05 | 1cb21afb6f24… |
| 209.217.128.0 – 209.217.191.255 | 16,384 | US |
allocated | 2000-12-05 | 9f14454567a6… |
| 207.195.192.0 – 207.195.223.255 | 8,192 | US |
allocated | 2000-12-04 | 8db8a68663e9… |
| 216.237.64.0 – 216.237.95.255 | 8,192 | US |
allocated | 2000-12-04 | d538268083a4… |
| 216.237.96.0 – 216.237.111.255 | 4,096 | US |
allocated | 2000-12-04 | 319467b00a1c… |
| 192.5.6.0 – 192.5.6.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.12.94.0 – 192.12.94.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.26.92.0 – 192.26.92.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.31.80.0 – 192.31.80.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.33.14.0 – 192.33.14.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.35.51.0 – 192.35.51.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.41.162.0 – 192.41.162.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.42.93.0 – 192.42.93.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.43.172.0 – 192.43.172.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.48.79.0 – 192.48.79.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.52.178.0 – 192.52.178.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.54.112.0 – 192.54.112.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.55.83.0 – 192.55.83.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 192.58.128.0 – 192.58.128.255 | 256 | US |
allocated | 2000-11-30 | 1b2a06e2b1f1… |
| 216.24.64.0 – 216.24.67.255 | 1,024 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.68.0 – 216.24.69.255 | 512 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.71.0 – 216.24.71.255 | 256 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.73.0 – 216.24.73.255 | 256 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.74.0 – 216.24.75.255 | 512 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.80.0 – 216.24.83.255 | 1,024 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.89.0 – 216.24.89.255 | 256 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.90.0 – 216.24.91.255 | 512 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.95.0 – 216.24.95.255 | 256 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.96.0 – 216.24.103.255 | 2,048 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.104.0 – 216.24.107.255 | 1,024 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.109.0 – 216.24.109.255 | 256 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.24.110.0 – 216.24.111.255 | 512 | US |
allocated | 2000-11-30 | 6f1ca564de76… |
| 216.67.192.0 – 216.67.223.255 | 8,192 | US |
allocated | 2000-11-30 | e220ed812a4c… |
| 216.239.192.0 – 216.239.223.255 | 8,192 | US |
allocated | 2000-11-30 | 8d94230a2495… |
| 66.50.0.0 – 66.50.255.255 | 65,536 |  PR |
allocated | 2000-11-29 | b3befbc5de9a… |
| 207.191.192.0 – 207.191.223.255 | 8,192 | US |
allocated | 2000-11-29 | 11e220c3e486… |
| 209.75.0.0 – 209.75.255.255 | 65,536 | US |
allocated | 2000-11-29 | 9f14454567a6… |
| 209.189.0.0 – 209.189.127.255 | 32,768 | US |
allocated | 2000-11-29 | 9f14454567a6… |
| 216.98.176.0 – 216.98.191.255 | 4,096 | US |
allocated | 2000-11-29 | 73a900942dde… |
| 216.239.128.0 – 216.239.143.255 | 4,096 | US |
allocated | 2000-11-29 | 84b1251f3230… |
| 65.81.0.0 – 65.81.255.255 | 65,536 | US |
allocated | 2000-11-28 | 81e05477cc28… |
| 65.82.0.0 – 65.83.255.255 | 131,072 | US |
allocated | 2000-11-28 | 81e05477cc28… |
| 66.43.192.0 – 66.43.255.255 | 16,384 | US |
allocated | 2000-11-28 | 5ad6348a6e84… |
| 66.6.80.0 – 66.6.95.255 | 4,096 | US |
allocated | 2000-11-22 | 7013a13d0ca7… |
| 200.62.0.0 – 200.62.63.255 | 16,384 | US |
allocated | 2000-11-22 | b1c9faab2ff4… |
| 216.239.0.0 – 216.239.31.255 | 8,192 | US |
allocated | 2000-11-22 | 42deec352848… |
| 216.239.32.0 – 216.239.63.255 | 8,192 | US |
allocated | 2000-11-22 | 9d99e3f7d38d… |
| 216.239.64.0 – 216.239.95.255 | 8,192 | CA |
allocated | 2000-11-22 | 1312efee6c4f… |
| 216.39.192.0 – 216.39.223.255 | 8,192 | US |
allocated | 2000-11-21 | d538268083a4… |
| 216.236.224.0 – 216.236.239.255 | 4,096 | US |
allocated | 2000-11-21 | 9837eb03cd74… |
| 216.236.192.0 – 216.236.223.255 | 8,192 | US |
allocated | 2000-11-20 | b2912358a66c… |
| 216.236.128.0 – 216.236.159.255 | 8,192 | US |
allocated | 2000-11-17 | f484c8685a70… |
| 66.46.0.0 – 66.46.255.255 | 65,536 | US |
allocated | 2000-11-16 | 34d342be0361… |
| 66.48.0.0 – 66.48.255.255 | 65,536 | US |
allocated | 2000-11-16 | e220ed812a4c… |
| 208.54.192.0 – 208.54.223.255 | 8,192 | US |
allocated | 2000-11-16 | cdb7d42057bd… |
| 66.43.128.0 – 66.43.191.255 | 16,384 | US |
allocated | 2000-11-15 | 6c065d5b54b8… |
| 66.45.12.0 – 66.45.12.255 | 256 | US |
allocated | 2000-11-15 | 66e68ecd93af… |