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 |
|---|---|---|---|---|---|
| 207.254.128.0 – 207.254.143.255 | 4,096 |  JM |
allocated | 2005-04-26 | 5670b17dd30b… |
| 64.20.224.0 – 64.20.255.255 | 8,192 |  US |
allocated | 2005-04-25 | 6666934f7458… |
| 72.47.0.0 – 72.47.127.255 | 32,768 | US |
allocated | 2005-04-25 | e5d261f87d58… |
| 72.47.128.0 – 72.47.191.255 | 16,384 | US |
allocated | 2005-04-25 | e5d261f87d58… |
| 207.210.192.0 – 207.210.255.255 | 16,384 | US |
allocated | 2005-04-25 | 6e048190eb9a… |
| 216.154.208.0 – 216.154.223.255 | 4,096 | US |
allocated | 2005-04-25 | 8044b902b372… |
| 72.238.0.0 – 72.239.255.255 | 131,072 | US |
allocated | 2005-04-21 | de94a62ce8f9… |
| 72.240.0.0 – 72.241.255.255 | 131,072 | US |
allocated | 2005-04-21 | acc0593b65c5… |
| 204.13.92.0 – 204.13.95.255 | 1,024 | US |
allocated | 2005-04-21 | 5b17c83f35c1… |
| 204.13.164.0 – 204.13.167.255 | 1,024 | US |
allocated | 2005-04-21 | 860fa092fe05… |
| 207.210.128.0 – 207.210.159.255 | 8,192 | US |
allocated | 2005-04-21 | ee44a34fcea1… |
| 64.20.160.0 – 64.20.191.255 | 8,192 | US |
allocated | 2005-04-20 | 34d342be0361… |
| 64.20.192.0 – 64.20.207.255 | 4,096 | US |
allocated | 2005-04-20 | 629c0ae781c1… |
| 204.13.152.0 – 204.13.155.255 | 1,024 | US |
allocated | 2005-04-20 | 9e20a8842362… |
| 206.81.64.0 – 206.81.71.255 | 2,048 | US |
allocated | 2005-04-20 | 217a98d6609d… |
| 206.81.72.0 – 206.81.75.255 | 1,024 | US |
allocated | 2005-04-20 | 217a98d6609d… |
| 206.81.76.0 – 206.81.79.255 | 1,024 | US |
allocated | 2005-04-20 | 7c562b16d642… |
| 73.0.0.0 – 73.255.255.255 | 16,777,216 | US |
allocated | 2005-04-19 | 3a7b40ab58f6… |
| 204.13.136.0 – 204.13.139.255 | 1,024 | US |
allocated | 2005-04-19 | c90dacbc8c6f… |
| 204.13.140.0 – 204.13.143.255 | 1,024 | US |
allocated | 2005-04-19 | 278d3043dbec… |
| 204.13.144.0 – 204.13.147.255 | 1,024 | US |
allocated | 2005-04-19 | fe52b4cd4d28… |
| 205.134.224.0 – 205.134.231.255 | 2,048 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.232.0 – 205.134.233.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.235.0 – 205.134.235.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.236.0 – 205.134.237.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.240.0 – 205.134.240.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.242.0 – 205.134.243.255 | 512 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 205.134.248.0 – 205.134.248.255 | 256 | US |
allocated | 2005-04-19 | 6860173bfdd5… |
| 72.45.0.0 – 72.45.63.255 | 16,384 | US |
allocated | 2005-04-18 | 98e6c615fd07… |
| 204.13.120.0 – 204.13.127.255 | 2,048 | US |
allocated | 2005-04-18 | b004b3ecde24… |
| 204.13.128.0 – 204.13.135.255 | 2,048 | US |
allocated | 2005-04-18 | d538268083a4… |
| 209.112.240.0 – 209.112.255.255 | 4,096 | US |
allocated | 2005-04-18 | 34167ff8e75e… |
| 72.44.0.0 – 72.44.15.255 | 4,096 | US |
allocated | 2005-04-17 | 6c065d5b54b8… |
| 64.20.128.0 – 64.20.129.255 | 512 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.130.0 – 64.20.130.255 | 256 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.131.0 – 64.20.131.255 | 256 | US |
allocated | 2005-04-15 | dfe5691a9024… |
| 64.20.132.0 – 64.20.135.255 | 1,024 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.136.0 – 64.20.143.255 | 2,048 | US |
allocated | 2005-04-15 | a234b016a417… |
| 64.20.144.0 – 64.20.159.255 | 4,096 | US |
allocated | 2005-04-15 | a234b016a417… |
| 66.29.0.0 – 66.29.127.255 | 32,768 | US |
allocated | 2005-04-15 | 0e660f095dee… |
| 70.128.0.0 – 70.129.255.255 | 131,072 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.130.0.0 – 70.130.127.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.130.128.0 – 70.130.191.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.131.0.0 – 70.131.127.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.131.128.0 – 70.131.191.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.132.64.0 – 70.132.127.255 | 16,384 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.132.128.0 – 70.132.255.255 | 32,768 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.133.0.0 – 70.133.255.255 | 65,536 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.134.0.0 – 70.135.255.255 | 131,072 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 70.136.0.0 – 70.143.255.255 | 524,288 | US |
allocated | 2005-04-15 | 81e05477cc28… |
| 71.224.0.0 – 71.239.255.255 | 1,048,576 | US |
allocated | 2005-04-15 | 3a7b40ab58f6… |
| 204.13.112.0 – 204.13.119.255 | 2,048 | US |
allocated | 2005-04-15 | 289af0039cc4… |
| 207.251.240.0 – 207.251.255.255 | 4,096 | US |
allocated | 2005-04-15 | 4774876be7de… |
| 209.203.176.0 – 209.203.191.255 | 4,096 | US |
allocated | 2005-04-15 | efe5992ec680… |
| 64.20.96.0 – 64.20.127.255 | 8,192 | US |
allocated | 2005-04-14 | 34d342be0361… |
| 204.13.96.0 – 204.13.103.255 | 2,048 | US |
allocated | 2005-04-14 | a93773ad321b… |
| 68.179.0.0 – 68.179.127.255 | 32,768 |  CA |
allocated | 2005-04-13 | fbf5a5883b54… |
| 206.223.143.0 – 206.223.143.255 | 256 | US |
allocated | 2005-04-13 | 02c3b5bf801a… |
| 209.34.112.0 – 209.34.127.255 | 4,096 | US |
allocated | 2005-04-13 | bdd3195fd124… |
| 68.178.128.0 – 68.178.255.255 | 32,768 | US |
allocated | 2005-04-12 | fec517dc310c… |
| 192.169.0.0 – 192.169.1.255 | 512 | US |
allocated | 2005-04-12 | b1f854d2c961… |
| 207.210.66.0 – 207.210.67.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.68.0 – 207.210.69.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.72.0 – 207.210.72.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.75.0 – 207.210.75.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.76.0 – 207.210.79.255 | 1,024 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.80.0 – 207.210.87.255 | 2,048 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.88.0 – 207.210.88.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.93.0 – 207.210.93.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.94.0 – 207.210.94.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.97.0 – 207.210.97.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.98.0 – 207.210.99.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.100.0 – 207.210.100.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.102.0 – 207.210.103.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.104.0 – 207.210.104.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.107.0 – 207.210.107.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.109.0 – 207.210.109.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.110.0 – 207.210.111.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.112.0 – 207.210.113.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.118.0 – 207.210.118.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.120.0 – 207.210.120.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.124.0 – 207.210.125.255 | 512 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 207.210.127.0 – 207.210.127.255 | 256 | US |
allocated | 2005-04-12 | 4b85a5bca9cb… |
| 209.222.48.0 – 209.222.63.255 | 4,096 | CA |
allocated | 2005-04-12 | 3bb99cafc4c2… |
| 216.97.240.0 – 216.97.255.255 | 4,096 | US |
allocated | 2005-04-12 | 4b38da225171… |
| 68.182.0.0 – 68.182.255.255 | 65,536 | CA |
allocated | 2005-04-11 | 0e702695cc8d… |
| 204.13.72.0 – 204.13.75.255 | 1,024 | US |
allocated | 2005-04-11 | 4774876be7de… |
| 64.20.64.0 – 64.20.79.255 | 4,096 | US |
allocated | 2005-04-08 | 5e8029391f42… |
| 64.20.32.0 – 64.20.63.255 | 8,192 | US |
allocated | 2005-04-07 | 13d512adeacc… |
| 72.34.224.0 – 72.34.255.255 | 8,192 | US |
allocated | 2005-04-07 | 69d1ee9ee76f… |
| 204.13.64.0 – 204.13.71.255 | 2,048 | US |
allocated | 2005-04-07 | 0b9873f38c6a… |
| 206.251.64.0 – 206.251.95.255 | 8,192 | US |
allocated | 2005-04-07 | 3349c2de4cec… |
| 216.152.208.0 – 216.152.223.255 | 4,096 | US |
allocated | 2005-04-07 | 3e5c40e0d545… |
| 68.178.0.0 – 68.178.127.255 | 32,768 | US |
allocated | 2005-04-06 | 07b4afc6ca39… |
| 204.13.52.0 – 204.13.55.255 | 1,024 | US |
allocated | 2005-04-06 | d154ce58ce4b… |
| 207.210.0.0 – 207.210.63.255 | 16,384 | CA |
allocated | 2005-04-06 | 2d6180091c92… |
| 64.20.0.0 – 64.20.15.255 | 4,096 | US |
allocated | 2005-04-05 | a7f7463af3d3… |
| 68.181.0.0 – 68.181.255.255 | 65,536 | US |
allocated | 2005-04-05 | 7d9a2925b1a0… |
| 204.13.12.0 – 204.13.15.255 | 1,024 | US |
allocated | 2005-04-05 | 6666934f7458… |
| 204.13.40.0 – 204.13.47.255 | 2,048 | US |
allocated | 2005-04-05 | 1378ea5225d1… |