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 |
|---|---|---|---|---|---|
| 64.251.64.0 – 64.251.95.255 | 8,192 |  CA |
allocated | 2001-02-05 | f6378853cc62… |
| 66.71.0.0 – 66.71.127.255 | 32,768 |  US |
allocated | 2001-02-05 | 702a0a91e242… |
| 207.33.0.0 – 207.33.255.255 | 65,536 | US |
allocated | 2001-02-05 | 9f14454567a6… |
| 216.126.48.0 – 216.126.55.255 | 2,048 | US |
allocated | 2001-02-05 | 88665c86f4d0… |
| 216.194.192.0 – 216.194.255.255 | 16,384 | US |
allocated | 2001-02-02 | bd017326c255… |
| 198.106.0.0 – 198.107.255.255 | 131,072 | US |
allocated | 2001-01-31 | 9f14454567a6… |
| 216.188.192.0 – 216.188.223.255 | 8,192 | US |
allocated | 2001-01-31 | a6d8e7af8b04… |
| 65.104.0.0 – 65.107.255.255 | 262,144 | US |
allocated | 2001-01-30 | e220ed812a4c… |
| 66.74.0.0 – 66.75.255.255 | 131,072 | US |
allocated | 2001-01-30 | d2fc8fbc818f… |
| 209.42.96.0 – 209.42.127.255 | 8,192 | CA |
allocated | 2001-01-30 | 1960bbaf95d0… |
| 209.139.192.0 – 209.139.255.255 | 16,384 | CA |
allocated | 2001-01-30 | 7de51f8320f6… |
| 64.254.128.0 – 64.254.143.255 | 4,096 | US |
allocated | 2001-01-29 | 8ae2a38290ad… |
| 65.20.0.0 – 65.20.31.255 | 8,192 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.32.0 – 65.20.47.255 | 4,096 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.48.0 – 65.20.49.255 | 512 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.50.0 – 65.20.50.255 | 256 |  IE |
allocated | 2001-01-29 | 794b53355850… |
| 65.20.51.0 – 65.20.51.255 | 256 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.52.0 – 65.20.55.255 | 1,024 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.56.0 – 65.20.59.255 | 1,024 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.60.0 – 65.20.61.255 | 512 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.62.0 – 65.20.62.255 | 256 | US |
allocated | 2001-01-29 | 3a41d3f78b1b… |
| 65.20.63.0 – 65.20.63.255 | 256 | IE |
allocated | 2001-01-29 | 794b53355850… |
| 66.72.0.0 – 66.73.255.255 | 131,072 | US |
allocated | 2001-01-29 | 81e05477cc28… |
| 64.254.96.0 – 64.254.127.255 | 8,192 | US |
allocated | 2001-01-26 | ec15afbf316d… |
| 66.70.0.0 – 66.70.127.255 | 32,768 | US |
allocated | 2001-01-26 | 67ce42f5d914… |
| 66.68.0.0 – 66.69.255.255 | 131,072 | US |
allocated | 2001-01-25 | d2fc8fbc818f… |
| 204.235.96.0 – 204.235.103.255 | 2,048 | US |
allocated | 2001-01-25 | 66e68ecd93af… |
| 216.194.128.0 – 216.194.143.255 | 4,096 | US |
allocated | 2001-01-25 | dbf76c1c67c5… |
| 64.254.0.0 – 64.254.31.255 | 8,192 | CA |
allocated | 2001-01-24 | 0947d5738b9d… |
| 64.254.32.0 – 64.254.63.255 | 8,192 | US |
allocated | 2001-01-24 | e4168b9ed95c… |
| 216.116.48.0 – 216.116.63.255 | 4,096 | US |
allocated | 2001-01-24 | c0dbd6613cca… |
| 216.194.0.0 – 216.194.63.255 | 16,384 | US |
allocated | 2001-01-24 | 29c13a577505… |
| 216.194.64.0 – 216.194.71.255 | 2,048 | CA |
allocated | 2001-01-24 | 6b75b6fdf211… |
| 216.195.0.0 – 216.195.31.255 | 8,192 | US |
allocated | 2001-01-24 | 618bced69d75… |
| 216.195.128.0 – 216.195.191.255 | 16,384 | US |
allocated | 2001-01-24 | 08669da5266e… |
| 216.249.20.0 – 216.249.23.255 | 1,024 | US |
allocated | 2001-01-24 | c6c154e59512… |
| 216.249.24.0 – 216.249.31.255 | 2,048 | US |
allocated | 2001-01-24 | c6c154e59512… |
| 64.254.192.0 – 64.254.223.255 | 8,192 | US |
allocated | 2001-01-23 | 37fe01d6d027… |
| 216.113.192.0 – 216.113.223.255 | 8,192 | CA |
allocated | 2001-01-23 | 6b1704e70ee9… |
| 64.253.192.0 – 64.253.207.255 | 4,096 | US |
allocated | 2001-01-22 | cdb7d42057bd… |
| 64.253.224.0 – 64.253.255.255 | 8,192 | US |
allocated | 2001-01-22 | f3e9c4a797ca… |
| 209.139.0.0 – 209.139.127.255 | 32,768 | US |
allocated | 2001-01-22 | 9f14454567a6… |
| 209.139.128.0 – 209.139.191.255 | 16,384 | US |
allocated | 2001-01-22 | 9f14454567a6… |
| 209.227.0.0 – 209.227.127.255 | 32,768 | US |
allocated | 2001-01-22 | 9f14454567a6… |
| 216.113.128.0 – 216.113.159.255 | 8,192 | US |
allocated | 2001-01-22 | 4cf736351d33… |
| 66.65.0.0 – 66.65.255.255 | 65,536 | US |
allocated | 2001-01-19 | d2fc8fbc818f… |
| 64.253.96.0 – 64.253.127.255 | 8,192 | US |
allocated | 2001-01-17 | f4656cd10920… |
| 66.66.0.0 – 66.67.255.255 | 131,072 | US |
allocated | 2001-01-17 | d2fc8fbc818f… |
| 209.191.224.0 – 209.191.255.255 | 8,192 | US |
allocated | 2001-01-17 | e860a0ce60bb… |
| 64.255.15.0 – 64.255.15.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 64.255.24.0 – 64.255.24.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 64.255.41.0 – 64.255.41.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 64.255.43.0 – 64.255.43.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 64.255.46.0 – 64.255.46.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 64.255.55.0 – 64.255.55.255 | 256 | US |
allocated | 2001-01-16 | 84b1251f3230… |
| 216.153.128.0 – 216.153.255.255 | 32,768 | US |
allocated | 2001-01-12 | 6c065d5b54b8… |
| 216.177.160.0 – 216.177.191.255 | 8,192 | US |
allocated | 2001-01-12 | bd395715a69c… |
| 65.224.0.0 – 65.239.255.255 | 1,048,576 | US |
allocated | 2001-01-11 | e220ed812a4c… |
| 216.8.64.0 – 216.8.95.255 | 8,192 | US |
allocated | 2001-01-11 | 7bcb593359df… |
| 216.248.208.0 – 216.248.223.255 | 4,096 | US |
allocated | 2001-01-11 | a535ffc0b9e7… |
| 216.81.96.0 – 216.81.127.255 | 8,192 | US |
allocated | 2001-01-10 | 3ebddf9804c5… |
| 216.249.32.0 – 216.249.47.255 | 4,096 |  BM |
allocated | 2001-01-10 | d6bf0b71ba4d… |
| 216.147.224.0 – 216.147.239.255 | 4,096 | US |
allocated | 2001-01-08 | 0c70d0786185… |
| 66.59.64.0 – 66.59.79.255 | 4,096 | US |
allocated | 2001-01-05 | 80d8bdb9cc79… |
| 66.59.128.0 – 66.59.191.255 | 16,384 | CA |
allocated | 2001-01-05 | 7de51f8320f6… |
| 209.41.0.0 – 209.41.63.255 | 16,384 | US |
allocated | 2001-01-05 | 9f14454567a6… |
| 209.130.0.0 – 209.130.127.255 | 32,768 | US |
allocated | 2001-01-05 | 9f14454567a6… |
| 209.238.0.0 – 209.238.255.255 | 65,536 | US |
allocated | 2001-01-05 | 9f14454567a6… |
| 216.7.96.0 – 216.7.111.255 | 4,096 | US |
allocated | 2001-01-05 | e220ed812a4c… |
| 216.27.128.0 – 216.27.191.255 | 16,384 | US |
allocated | 2001-01-05 | a7f7463af3d3… |
| 216.147.192.0 – 216.147.207.255 | 4,096 | US |
allocated | 2001-01-05 | 8124f34eafdf… |
| 65.112.0.0 – 65.127.255.255 | 1,048,576 | US |
allocated | 2001-01-04 | cdb7d42057bd… |
| 216.8.128.0 – 216.8.191.255 | 16,384 | CA |
allocated | 2001-01-04 | b3555906a062… |
| 65.100.0.0 – 65.103.255.255 | 262,144 | US |
allocated | 2001-01-03 | cdb7d42057bd… |
| 66.60.128.0 – 66.60.191.255 | 16,384 | US |
allocated | 2001-01-03 | 424bfcacb580… |
| 66.61.0.0 – 66.61.255.255 | 65,536 | US |
allocated | 2001-01-03 | d2fc8fbc818f… |
| 66.62.0.0 – 66.62.255.255 | 65,536 | US |
allocated | 2001-01-03 | 34d342be0361… |
| 216.7.32.0 – 216.7.33.255 | 512 | US |
allocated | 2001-01-03 | fdf55dc217da… |
| 216.7.34.0 – 216.7.35.255 | 512 | US |
allocated | 2001-01-03 | cb31c106fb4c… |
| 216.7.36.0 – 216.7.39.255 | 1,024 | US |
allocated | 2001-01-03 | cb31c106fb4c… |
| 216.7.40.0 – 216.7.47.255 | 2,048 | US |
allocated | 2001-01-03 | cb31c106fb4c… |
| 216.7.48.0 – 216.7.63.255 | 4,096 | US |
allocated | 2001-01-03 | cb31c106fb4c… |
| 64.244.0.0 – 64.245.255.255 | 131,072 | US |
allocated | 2001-01-02 | e220ed812a4c… |
| 65.92.0.0 – 65.95.255.255 | 262,144 | CA |
allocated | 2001-01-02 | 7de51f8320f6… |
| 65.96.0.0 – 65.96.255.255 | 65,536 | US |
allocated | 2001-01-02 | 3a7b40ab58f6… |
| 65.97.0.0 – 65.97.31.255 | 8,192 | US |
allocated | 2001-01-02 | 3a7b40ab58f6… |
| 209.48.0.0 – 209.49.255.255 | 131,072 | US |
allocated | 2001-01-02 | e220ed812a4c… |
| 209.116.0.0 – 209.119.255.255 | 262,144 | US |
allocated | 2001-01-02 | e220ed812a4c… |
| 216.0.0.0 – 216.3.255.255 | 262,144 | US |
allocated | 2001-01-02 | e220ed812a4c… |
| 216.4.0.0 – 216.5.255.255 | 131,072 | US |
allocated | 2001-01-02 | e220ed812a4c… |
| 66.51.160.0 – 66.51.175.255 | 4,096 | CA |
allocated | 2000-12-29 | cb6d23ee13c9… |
| 66.51.108.0 – 66.51.111.255 | 1,024 | CA |
allocated | 2000-12-26 | 6b75b6fdf211… |
| 66.54.128.0 – 66.54.255.255 | 32,768 | US |
allocated | 2000-12-22 | a7f7463af3d3… |
| 66.58.0.0 – 66.58.127.255 | 32,768 | US |
allocated | 2000-12-22 | e220ed812a4c… |
| 209.50.64.0 – 209.50.95.255 | 8,192 | CA |
allocated | 2000-12-22 | 7de51f8320f6… |
| 209.135.64.0 – 209.135.127.255 | 16,384 | CA |
allocated | 2000-12-22 | 7de51f8320f6… |
| 216.183.0.0 – 216.183.31.255 | 8,192 | CA |
allocated | 2000-12-22 | 7de51f8320f6… |
| 65.88.0.0 – 65.91.255.255 | 262,144 | US |
allocated | 2000-12-21 | e5e3b9c13678… |
| 216.6.192.0 – 216.6.207.255 | 4,096 | CA |
allocated | 2000-12-21 | 7de51f8320f6… |
| 216.243.64.0 – 216.243.79.255 | 4,096 | US |
allocated | 2000-12-21 | 9837eb03cd74… |