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 |
|---|---|---|---|---|---|
| 65.255.132.0 – 65.255.132.255 | 256 |  US |
allocated | 2004-01-09 | 4fcc2e148773… |
| 65.255.133.0 – 65.255.133.255 | 256 | US |
allocated | 2004-01-09 | 7e423b89042c… |
| 65.255.134.0 – 65.255.134.255 | 256 | US |
allocated | 2004-01-09 | c8be658e558e… |
| 65.255.135.0 – 65.255.135.255 | 256 | US |
allocated | 2004-01-09 | 4fcc2e148773… |
| 65.255.136.0 – 65.255.136.255 | 256 | US |
allocated | 2004-01-09 | 7e423b89042c… |
| 65.255.137.0 – 65.255.137.255 | 256 | US |
allocated | 2004-01-09 | 4fcc2e148773… |
| 65.255.138.0 – 65.255.138.255 | 256 | US |
allocated | 2004-01-09 | 4fcc2e148773… |
| 65.255.139.0 – 65.255.139.255 | 256 | US |
allocated | 2004-01-09 | fe1bf20bce56… |
| 65.255.140.0 – 65.255.140.255 | 256 | US |
allocated | 2004-01-09 | ee8bedaf369d… |
| 65.255.141.0 – 65.255.141.255 | 256 | US |
allocated | 2004-01-09 | fe1bf20bce56… |
| 65.255.142.0 – 65.255.143.255 | 512 | US |
allocated | 2004-01-09 | fe1bf20bce56… |
| 65.255.144.0 – 65.255.159.255 | 4,096 | US |
allocated | 2004-01-09 | f39544990b7e… |
| 65.255.0.0 – 65.255.31.255 | 8,192 | US |
allocated | 2004-01-08 | 900834ef400b… |
| 65.255.64.0 – 65.255.95.255 | 8,192 | US |
allocated | 2004-01-08 | 7a876fbec890… |
| 24.113.0.0 – 24.113.255.255 | 65,536 | US |
allocated | 2004-01-07 | 1a922969fbba… |
| 66.211.192.0 – 66.211.255.255 | 16,384 | US |
allocated | 2004-01-07 | 19223b7f5c43… |
| 63.134.128.0 – 63.134.191.255 | 16,384 | US |
allocated | 2004-01-06 | 785af3831177… |
| 65.254.160.0 – 65.254.191.255 | 8,192 | US |
allocated | 2004-01-06 | 8df90f3808b5… |
| 65.254.224.0 – 65.254.255.255 | 8,192 | US |
allocated | 2004-01-06 | ec11830c4c67… |
| 66.175.64.0 – 66.175.95.255 | 8,192 | US |
allocated | 2004-01-06 | 2eb271d6c28f… |
| 209.196.240.0 – 209.196.255.255 | 4,096 | US |
allocated | 2004-01-06 | eff71e84701c… |
| 65.254.96.0 – 65.254.127.255 | 8,192 | US |
allocated | 2003-12-30 | a75758b1ffcd… |
| 69.177.0.0 – 69.177.255.255 | 65,536 | US |
allocated | 2003-12-30 | 81e05477cc28… |
| 209.87.208.0 – 209.87.223.255 | 4,096 | US |
allocated | 2003-12-30 | c35bf14f6302… |
| 65.5.0.0 – 65.5.255.255 | 65,536 | US |
allocated | 2003-12-29 | 81e05477cc28… |
| 65.13.0.0 – 65.13.255.255 | 65,536 | US |
allocated | 2003-12-29 | 81e05477cc28… |
| 65.14.0.0 – 65.15.255.255 | 131,072 | US |
allocated | 2003-12-29 | 81e05477cc28… |
| 65.254.0.0 – 65.254.31.255 | 8,192 | US |
allocated | 2003-12-29 | 34d342be0361… |
| 65.254.48.0 – 65.254.51.255 | 1,024 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 65.254.52.0 – 65.254.52.255 | 256 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 65.254.54.0 – 65.254.55.255 | 512 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 65.254.56.0 – 65.254.59.255 | 1,024 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 65.254.60.0 – 65.254.61.255 | 512 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 65.254.62.0 – 65.254.62.255 | 256 | US |
allocated | 2003-12-29 | 4b85a5bca9cb… |
| 69.148.0.0 – 69.151.255.255 | 262,144 | US |
allocated | 2003-12-24 | 81e05477cc28… |
| 69.152.0.0 – 69.155.255.255 | 262,144 | US |
allocated | 2003-12-24 | 81e05477cc28… |
| 66.251.0.0 – 66.251.127.255 | 32,768 | US |
allocated | 2003-12-23 | 6c065d5b54b8… |
| 216.73.240.0 – 216.73.255.255 | 4,096 | US |
allocated | 2003-12-23 | f233179169c6… |
| 216.151.48.0 – 216.151.63.255 | 4,096 | US |
allocated | 2003-12-23 | 1d5ff0c74a6f… |
| 66.211.64.0 – 66.211.95.255 | 8,192 | US |
allocated | 2003-12-19 | 6b6c0be5b9ba… |
| 66.211.128.0 – 66.211.159.255 | 8,192 | US |
allocated | 2003-12-19 | f57036a35d7c… |
| 65.182.192.0 – 65.182.223.255 | 8,192 | US |
allocated | 2003-12-18 | f9107f6aa386… |
| 65.182.224.0 – 65.182.255.255 | 8,192 | US |
allocated | 2003-12-18 | 23bf524dea12… |
| 156.154.0.0 – 156.154.31.255 | 8,192 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.32.0 – 156.154.33.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.34.0 – 156.154.35.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.36.0 – 156.154.39.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.40.0 – 156.154.41.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.42.0 – 156.154.43.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.44.0 – 156.154.47.255 | 1,024 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.48.0 – 156.154.51.255 | 1,024 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.52.0 – 156.154.52.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.53.0 – 156.154.53.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.54.0 – 156.154.55.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.56.0 – 156.154.57.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.58.0 – 156.154.58.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.59.0 – 156.154.59.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.60.0 – 156.154.60.255 | 256 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.61.0 – 156.154.61.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.62.0 – 156.154.63.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.64.0 – 156.154.79.255 | 4,096 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.80.0 – 156.154.80.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.81.0 – 156.154.81.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.82.0 – 156.154.83.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.84.0 – 156.154.87.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.88.0 – 156.154.91.255 | 1,024 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.92.0 – 156.154.92.255 | 256 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.93.0 – 156.154.93.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.94.0 – 156.154.95.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.96.0 – 156.154.111.255 | 4,096 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.112.0 – 156.154.113.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.114.0 – 156.154.115.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.116.0 – 156.154.117.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.118.0 – 156.154.118.255 | 256 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.119.0 – 156.154.119.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.120.0 – 156.154.121.255 | 512 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.122.0 – 156.154.123.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.124.0 – 156.154.127.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.128.0 – 156.154.131.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.132.0 – 156.154.133.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.134.0 – 156.154.134.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.135.0 – 156.154.135.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.136.0 – 156.154.139.255 | 1,024 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.140.0 – 156.154.143.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.144.0 – 156.154.145.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.146.0 – 156.154.146.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.147.0 – 156.154.147.255 | 256 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.148.0 – 156.154.149.255 | 512 | US |
allocated | 2003-12-18 | 0485e2acb34c… |
| 156.154.150.0 – 156.154.151.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.152.0 – 156.154.152.255 | 256 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.153.0 – 156.154.153.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.154.0 – 156.154.155.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.156.0 – 156.154.159.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.160.0 – 156.154.167.255 | 2,048 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.168.0 – 156.154.168.255 | 256 | US |
allocated | 2003-12-18 | 03faf20fc077… |
| 156.154.169.0 – 156.154.169.255 | 256 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.170.0 – 156.154.171.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.172.0 – 156.154.175.255 | 1,024 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.176.0 – 156.154.177.255 | 512 | US |
allocated | 2003-12-18 | d46edd86fd49… |
| 156.154.178.0 – 156.154.179.255 | 512 | US |
allocated | 2003-12-18 | 03faf20fc077… |