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 |
|---|---|---|---|---|---|
| 71.96.0.0 – 71.127.255.255 | 2,097,152 |  US |
allocated | 2005-01-18 | e220ed812a4c… |
| 72.22.64.0 – 72.22.65.255 | 512 | US |
allocated | 2005-01-18 | 8b7b46b8ea7e… |
| 72.22.66.0 – 72.22.67.255 | 512 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.68.0 – 72.22.68.255 | 256 | US |
allocated | 2005-01-18 | 8b7b46b8ea7e… |
| 72.22.69.0 – 72.22.69.255 | 256 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.70.0 – 72.22.71.255 | 512 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.72.0 – 72.22.73.255 | 512 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.74.0 – 72.22.74.255 | 256 | US |
allocated | 2005-01-18 | 8b7b46b8ea7e… |
| 72.22.75.0 – 72.22.75.255 | 256 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.76.0 – 72.22.76.255 | 256 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.77.0 – 72.22.77.255 | 256 | US |
allocated | 2005-01-18 | 8b7b46b8ea7e… |
| 72.22.78.0 – 72.22.79.255 | 512 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.80.0 – 72.22.83.255 | 1,024 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.84.0 – 72.22.85.255 | 512 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.86.0 – 72.22.86.255 | 256 | US |
allocated | 2005-01-18 | 8b7b46b8ea7e… |
| 72.22.87.0 – 72.22.87.255 | 256 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 72.22.88.0 – 72.22.95.255 | 2,048 | US |
allocated | 2005-01-18 | ec11830c4c67… |
| 216.146.48.0 – 216.146.63.255 | 4,096 | US |
allocated | 2005-01-18 | f047419fe6d2… |
| 72.26.64.0 – 72.26.95.255 | 8,192 | US |
allocated | 2005-01-14 | cdb7d42057bd… |
| 72.22.0.0 – 72.22.31.255 | 8,192 | US |
allocated | 2005-01-13 | 424bfcacb580… |
| 72.26.0.0 – 72.26.31.255 | 8,192 | US |
allocated | 2005-01-13 | 424bfcacb580… |
| 204.10.28.0 – 204.10.31.255 | 1,024 | US |
allocated | 2005-01-13 | 8ff74c5691c8… |
| 209.205.240.0 – 209.205.255.255 | 4,096 |  CA |
allocated | 2005-01-13 | 7102eac214b4… |
| 204.10.24.0 – 204.10.27.255 | 1,024 | US |
allocated | 2005-01-12 | 911c6bb3d36c… |
| 71.128.0.0 – 71.129.255.255 | 131,072 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.130.0.0 – 71.130.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.131.0.0 – 71.131.127.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.131.128.0 – 71.131.191.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.132.64.0 – 71.132.127.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.132.128.0 – 71.132.255.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.133.0.0 – 71.133.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.134.0.0 – 71.135.255.255 | 131,072 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.136.0.0 – 71.136.63.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.136.128.0 – 71.136.255.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.137.64.0 – 71.137.127.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.137.128.0 – 71.137.255.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.138.0.0 – 71.139.255.255 | 131,072 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.140.0.0 – 71.140.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.141.64.0 – 71.141.127.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.141.192.0 – 71.141.255.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.142.0.0 – 71.142.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.143.64.0 – 71.143.127.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.143.128.0 – 71.143.255.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.144.0.0 – 71.144.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.145.0.0 – 71.145.127.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.145.192.0 – 71.145.255.255 | 16,384 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.146.0.0 – 71.147.255.255 | 131,072 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.148.0.0 – 71.151.255.255 | 262,144 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.152.128.0 – 71.152.255.255 | 32,768 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.153.0.0 – 71.153.255.255 | 65,536 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.154.0.0 – 71.155.255.255 | 131,072 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 71.156.0.0 – 71.159.255.255 | 262,144 | US |
allocated | 2005-01-11 | 81e05477cc28… |
| 72.15.160.0 – 72.15.191.255 | 8,192 | US |
allocated | 2005-01-11 | 2de85d8f3318… |
| 72.28.0.0 – 72.28.63.255 | 16,384 | US |
allocated | 2005-01-11 | a6f50fa048b8… |
| 204.10.16.0 – 204.10.17.255 | 512 | US |
allocated | 2005-01-11 | c4ca78464a6b… |
| 204.10.20.0 – 204.10.23.255 | 1,024 | CA |
allocated | 2005-01-11 | ed1b5d10a562… |
| 72.25.192.0 – 72.25.255.255 | 16,384 | CA |
allocated | 2005-01-10 | 0e702695cc8d… |
| 204.10.4.0 – 204.10.7.255 | 1,024 | US |
allocated | 2005-01-07 | d346cbdde579… |
| 204.10.8.0 – 204.10.15.255 | 2,048 | US |
allocated | 2005-01-07 | ed7e56c62ef9… |
| 204.10.60.0 – 204.10.63.255 | 1,024 | US |
allocated | 2005-01-07 | 33ee2f59b6a0… |
| 72.27.0.0 – 72.27.127.255 | 32,768 |  JM |
allocated | 2005-01-05 | b0918e00dc7e… |
| 72.27.128.0 – 72.27.191.255 | 16,384 | JM |
allocated | 2005-01-05 | b0918e00dc7e… |
| 72.27.192.0 – 72.27.223.255 | 8,192 | JM |
allocated | 2005-01-05 | b0918e00dc7e… |
| 209.21.112.0 – 209.21.127.255 | 4,096 | US |
allocated | 2005-01-05 | b8eb99782d4f… |
| 204.10.44.0 – 204.10.47.255 | 1,024 | US |
allocated | 2005-01-04 | 80038a48eee9… |
| 216.119.176.0 – 216.119.191.255 | 4,096 | US |
allocated | 2005-01-04 | b88a875fa9b9… |
| 204.10.48.0 – 204.10.51.255 | 1,024 | US |
allocated | 2005-01-03 | db65d2671150… |
| 72.21.192.0 – 72.21.223.255 | 8,192 | US |
allocated | 2004-12-30 | bda9ea2b27b8… |
| 72.21.224.0 – 72.21.255.255 | 8,192 | US |
allocated | 2004-12-30 | c2c562c4f400… |
| 216.180.176.0 – 216.180.191.255 | 4,096 | US |
allocated | 2004-12-30 | bc9fc2d53549… |
| 72.25.128.0 – 72.25.191.255 | 16,384 | US |
allocated | 2004-12-29 | 07b4afc6ca39… |
| 204.10.40.0 – 204.10.43.255 | 1,024 | US |
allocated | 2004-12-29 | ce654d72bcc4… |
| 204.10.36.0 – 204.10.39.255 | 1,024 | US |
allocated | 2004-12-28 | a67ad7f7f99a… |
| 216.10.48.0 – 216.10.51.255 | 1,024 | US |
allocated | 2004-12-28 | 5fd778e73004… |
| 216.10.52.0 – 216.10.52.255 | 256 | US |
allocated | 2004-12-28 | 5fd778e73004… |
| 216.10.55.0 – 216.10.55.255 | 256 | US |
allocated | 2004-12-28 | 5fd778e73004… |
| 216.10.56.0 – 216.10.59.255 | 1,024 | US |
allocated | 2004-12-28 | 5fd778e73004… |
| 216.10.61.0 – 216.10.61.255 | 256 | US |
allocated | 2004-12-28 | 5fd778e73004… |
| 72.21.160.0 – 72.21.191.255 | 8,192 | US |
allocated | 2004-12-22 | 99033d963ccc… |
| 72.25.0.0 – 72.25.63.255 | 16,384 | US |
allocated | 2004-12-22 | 6c065d5b54b8… |
| 204.10.84.0 – 204.10.87.255 | 1,024 | US |
allocated | 2004-12-22 | 4912a57bdaf2… |
| 72.20.192.0 – 72.20.255.255 | 16,384 | US |
allocated | 2004-12-21 | cadf96870499… |
| 204.10.80.0 – 204.10.83.255 | 1,024 | US |
allocated | 2004-12-21 | 6a066418508d… |
| 209.124.176.0 – 209.124.191.255 | 4,096 | US |
allocated | 2004-12-21 | 87af7399642b… |
| 216.189.208.0 – 216.189.223.255 | 4,096 | US |
allocated | 2004-12-21 | f984730f795a… |
| 71.32.0.0 – 71.39.255.255 | 524,288 | US |
allocated | 2004-12-17 | cdb7d42057bd… |
| 72.20.128.0 – 72.20.128.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.130.0 – 72.20.131.255 | 512 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.136.0 – 72.20.136.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.139.0 – 72.20.139.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.141.0 – 72.20.141.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.142.0 – 72.20.143.255 | 512 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.145.0 – 72.20.145.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.148.0 – 72.20.149.255 | 512 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.150.0 – 72.20.150.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.20.154.0 – 72.20.154.255 | 256 | US |
allocated | 2004-12-17 | bc9b2d83c16d… |
| 72.21.96.0 – 72.21.127.255 | 8,192 | US |
allocated | 2004-12-17 | 11ecd9164b16… |
| 72.20.64.0 – 72.20.95.255 | 8,192 | US |
allocated | 2004-12-16 | 443db4889f6d… |
| 204.10.64.0 – 204.10.71.255 | 2,048 | US |
allocated | 2004-12-16 | 9c960b3267d5… |
| 204.10.124.0 – 204.10.127.255 | 1,024 | US |
allocated | 2004-12-16 | 9a27f5c3234d… |