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
1,644,591,360
📦
IPv4 networks
76,802
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 72.224.0.0 – 72.231.255.255 | 524,288 |  US |
allocated | 2005-07-21 | d2fc8fbc818f… |
| 204.14.208.0 – 204.14.215.255 | 2,048 | US |
allocated | 2005-07-21 | 6666934f7458… |
| 204.14.216.0 – 204.14.223.255 | 2,048 | US |
allocated | 2005-07-21 | 34c6c5b76d96… |
| 64.62.0.0 – 64.62.127.255 | 32,768 | US |
allocated | 2005-07-19 | 07b4afc6ca39… |
| 205.234.112.0 – 205.234.112.255 | 256 | US |
allocated | 2005-07-19 | afb29ec00f9d… |
| 206.188.128.0 – 206.188.159.255 | 8,192 |  BM |
allocated | 2005-07-19 | d6bf0b71ba4d… |
| 204.14.200.0 – 204.14.203.255 | 1,024 | US |
allocated | 2005-07-18 | a0110a5631b3… |
| 216.215.0.0 – 216.215.63.255 | 16,384 | US |
allocated | 2005-07-18 | 3a9e39b8a0cc… |
| 67.54.128.0 – 67.54.255.255 | 32,768 | US |
allocated | 2005-07-15 | 4bb69b7e690b… |
| 205.234.80.0 – 205.234.95.255 | 4,096 | US |
allocated | 2005-07-15 | b2437809fbae… |
| 205.234.96.0 – 205.234.111.255 | 4,096 | US |
allocated | 2005-07-15 | 698c1d643a5d… |
| 64.85.128.0 – 64.85.159.255 | 8,192 | US |
allocated | 2005-07-14 | fe1bf20bce56… |
| 64.85.160.0 – 64.85.175.255 | 4,096 | US |
allocated | 2005-07-14 | fe1bf20bce56… |
| 208.40.208.0 – 208.40.223.255 | 4,096 | US |
allocated | 2005-07-14 | dfdf482c9f49… |
| 216.57.80.0 – 216.57.81.255 | 512 | US |
allocated | 2005-07-14 | 7744520fa5e7… |
| 216.57.82.0 – 216.57.83.255 | 512 | US |
allocated | 2005-07-14 | 447a4f6460f9… |
| 216.57.84.0 – 216.57.87.255 | 1,024 | US |
allocated | 2005-07-14 | 447a4f6460f9… |
| 216.57.88.0 – 216.57.95.255 | 2,048 | US |
allocated | 2005-07-14 | 447a4f6460f9… |
| 207.68.208.0 – 207.68.223.255 | 4,096 | US |
allocated | 2005-07-13 | ea07c0900e59… |
| 64.16.0.0 – 64.16.63.255 | 16,384 | US |
allocated | 2005-07-12 | 07b4afc6ca39… |
| 64.38.0.0 – 64.38.63.255 | 16,384 | US |
allocated | 2005-07-12 | 67ce42f5d914… |
| 204.14.180.0 – 204.14.183.255 | 1,024 | US |
allocated | 2005-07-12 | b004b3ecde24… |
| 72.52.0.0 – 72.52.63.255 | 16,384 | US |
allocated | 2005-07-11 | 8ff74c5691c8… |
| 204.14.176.0 – 204.14.179.255 | 1,024 | US |
allocated | 2005-07-11 | b54a676c5121… |
| 206.188.64.0 – 206.188.95.255 | 8,192 |  CA |
allocated | 2005-07-11 | 9f2122981d76… |
| 206.188.96.0 – 206.188.127.255 | 8,192 | CA |
allocated | 2005-07-11 | d0828b48ec4a… |
| 207.29.208.0 – 207.29.223.255 | 4,096 | US |
allocated | 2005-07-07 | e4a25f8062d9… |
| 204.14.168.0 – 204.14.175.255 | 2,048 | US |
allocated | 2005-07-06 | 87d3a0fcecb7… |
| 206.188.32.0 – 206.188.63.255 | 8,192 | US |
allocated | 2005-07-06 | 82e1ae08e3e5… |
| 72.50.0.0 – 72.50.127.255 | 32,768 |  PR |
allocated | 2005-07-05 | b3befbc5de9a… |
| 72.51.4.0 – 72.51.7.255 | 1,024 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 72.51.8.0 – 72.51.11.255 | 1,024 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 72.51.16.0 – 72.51.31.255 | 4,096 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 72.51.32.0 – 72.51.47.255 | 4,096 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 72.51.48.0 – 72.51.51.255 | 1,024 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 72.51.60.0 – 72.51.63.255 | 1,024 | CA |
allocated | 2005-07-05 | 3c781914ab27… |
| 204.14.160.0 – 204.14.167.255 | 2,048 | US |
allocated | 2005-07-05 | c11de03113d2… |
| 216.36.0.0 – 216.36.31.255 | 8,192 | US |
allocated | 2005-07-05 | 98e6c615fd07… |
| 205.147.80.0 – 205.147.87.255 | 2,048 | US |
allocated | 2005-07-01 | a3339aa5234e… |
| 207.244.144.0 – 207.244.159.255 | 4,096 | US |
allocated | 2005-07-01 | 1d0bff172f08… |
| 216.6.240.0 – 216.6.255.255 | 4,096 | US |
allocated | 2005-07-01 | 187c1f6775b2… |
| 24.192.0.0 – 24.192.255.255 | 65,536 | US |
allocated | 2005-06-30 | e9f843549cbf… |
| 204.14.152.0 – 204.14.159.255 | 2,048 | US |
allocated | 2005-06-30 | 76b7b0808425… |
| 206.188.0.0 – 206.188.31.255 | 8,192 | US |
allocated | 2005-06-30 | 67ce42f5d914… |
| 66.198.224.0 – 66.198.224.255 | 256 | US |
allocated | 2005-06-29 | 4322ae3db587… |
| 66.198.227.0 – 66.198.227.255 | 256 | US |
allocated | 2005-06-29 | 4322ae3db587… |
| 69.71.160.0 – 69.71.191.255 | 8,192 | US |
allocated | 2005-06-28 | 302960e84b60… |
| 72.96.0.0 – 72.127.255.255 | 2,097,152 | US |
allocated | 2005-06-28 | e220ed812a4c… |
| 216.171.240.0 – 216.171.255.255 | 4,096 | US |
allocated | 2005-06-28 | be567bb80310… |
| 69.71.96.0 – 69.71.111.255 | 4,096 | US |
allocated | 2005-06-27 | b8820af9d1df… |
| 72.64.0.0 – 72.64.15.255 | 4,096 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.64.16.0 – 72.64.31.255 | 4,096 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.64.32.0 – 72.64.63.255 | 8,192 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.64.64.0 – 72.64.127.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.64.128.0 – 72.64.255.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.65.0.0 – 72.65.63.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.65.64.0 – 72.65.95.255 | 8,192 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.65.96.0 – 72.65.127.255 | 8,192 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.65.128.0 – 72.65.255.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.66.0.0 – 72.67.255.255 | 131,072 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.68.0.0 – 72.69.255.255 | 131,072 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.70.0.0 – 72.70.255.255 | 65,536 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.71.0.0 – 72.71.127.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.71.128.0 – 72.71.191.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.71.192.0 – 72.71.255.255 | 16,384 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.72.0.0 – 72.72.255.255 | 65,536 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.73.0.0 – 72.73.63.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.73.64.0 – 72.73.127.255 | 16,384 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.73.128.0 – 72.73.255.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.74.0.0 – 72.75.255.255 | 131,072 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.76.0.0 – 72.79.255.255 | 262,144 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.80.0.0 – 72.83.255.255 | 262,144 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.84.0.0 – 72.85.255.255 | 131,072 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.86.0.0 – 72.86.255.255 | 65,536 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.87.0.0 – 72.87.31.255 | 8,192 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.87.32.0 – 72.87.47.255 | 4,096 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.87.48.0 – 72.87.63.255 | 4,096 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.87.64.0 – 72.87.127.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.87.128.0 – 72.87.255.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.88.0.0 – 72.91.255.255 | 262,144 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.92.0.0 – 72.92.127.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.92.128.0 – 72.92.159.255 | 8,192 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.92.160.0 – 72.92.191.255 | 8,192 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.92.192.0 – 72.92.255.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.93.0.0 – 72.93.255.255 | 65,536 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.94.0.0 – 72.94.255.255 | 65,536 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.95.0.0 – 72.95.63.255 | 16,384 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.95.64.0 – 72.95.79.255 | 4,096 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 72.95.80.0 – 72.95.95.255 | 4,096 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.95.96.0 – 72.95.111.255 | 4,096 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.95.112.0 – 72.95.127.255 | 4,096 | US |
allocated | 2005-06-24 | 013c0ebdd6ce… |
| 72.95.128.0 – 72.95.255.255 | 32,768 | US |
allocated | 2005-06-24 | e220ed812a4c… |
| 204.14.144.0 – 204.14.151.255 | 2,048 | US |
allocated | 2005-06-24 | e4a25f8062d9… |
| 209.251.80.0 – 209.251.95.255 | 4,096 | US |
allocated | 2005-06-23 | 18271d0ac9aa… |
| 216.194.176.0 – 216.194.191.255 | 4,096 | US |
allocated | 2005-06-23 | f147f65721ac… |
| 204.14.132.0 – 204.14.135.255 | 1,024 | US |
allocated | 2005-06-22 | 1429743a8e33… |
| 204.14.136.0 – 204.14.143.255 | 2,048 | US |
allocated | 2005-06-22 | dbf58f6462a7… |
| 216.48.192.0 – 216.48.255.255 | 16,384 | US |
allocated | 2005-06-22 | dd1f6de694a3… |
| 216.70.64.0 – 216.70.127.255 | 16,384 | US |
allocated | 2005-06-22 | fec517dc310c… |
| 204.14.124.0 – 204.14.127.255 | 1,024 | US |
allocated | 2005-06-21 | 312f08fdbc2b… |