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 |
|---|---|---|---|---|---|
| 71.241.192.0 – 71.241.223.255 | 8,192 |  US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.241.224.0 – 71.241.255.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.242.0.0 – 71.243.255.255 | 131,072 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.244.0.0 – 71.247.255.255 | 262,144 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.248.0.0 – 71.251.255.255 | 262,144 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.252.0.0 – 71.253.255.255 | 131,072 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.0.0 – 71.254.15.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.254.16.0 – 71.254.31.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.32.0 – 71.254.63.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.64.0 – 71.254.95.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.96.0 – 71.254.111.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.254.112.0 – 71.254.127.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.254.128.0 – 71.254.255.255 | 32,768 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.0.0 – 71.255.63.255 | 16,384 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.64.0 – 71.255.95.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.96.0 – 71.255.111.255 | 4,096 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.112.0 – 71.255.127.255 | 4,096 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.255.128.0 – 71.255.159.255 | 8,192 | US |
allocated | 2004-11-09 | 013c0ebdd6ce… |
| 71.255.160.0 – 71.255.191.255 | 8,192 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 71.255.192.0 – 71.255.255.255 | 16,384 | US |
allocated | 2004-11-09 | e220ed812a4c… |
| 72.6.0.0 – 72.7.255.255 | 131,072 | US |
allocated | 2004-11-09 | c4fef8e680d3… |
| 204.10.224.0 – 204.10.227.255 | 1,024 | US |
allocated | 2004-11-09 | 2474905fa4b2… |
| 204.9.248.0 – 204.9.255.255 | 2,048 | US |
allocated | 2004-11-08 | b90cc9a4763f… |
| 72.13.64.0 – 72.13.79.255 | 4,096 | US |
allocated | 2004-11-05 | 3897697b6690… |
| 72.14.64.0 – 72.14.67.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.68.0 – 72.14.69.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.72.0 – 72.14.79.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.80.0 – 72.14.87.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.88.0 – 72.14.91.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.96.0 – 72.14.97.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.100.0 – 72.14.103.255 | 1,024 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.104.0 – 72.14.111.255 | 2,048 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.117.0 – 72.14.117.255 | 256 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.118.0 – 72.14.119.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.121.0 – 72.14.121.255 | 256 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.122.0 – 72.14.123.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 72.14.126.0 – 72.14.127.255 | 512 | US |
allocated | 2004-11-05 | 4508744acac3… |
| 204.9.236.0 – 204.9.239.255 | 1,024 | US |
allocated | 2004-11-05 | e4e1d5afdb92… |
| 72.12.192.0 – 72.12.223.255 | 8,192 | US |
allocated | 2004-11-04 | 5310893ec05e… |
| 72.13.32.0 – 72.13.63.255 | 8,192 | US |
allocated | 2004-11-04 | 7b7c41a61ecc… |
| 72.14.0.0 – 72.14.31.255 | 8,192 | US |
allocated | 2004-11-04 | dbff42160daa… |
| 204.9.232.0 – 204.9.235.255 | 1,024 | US |
allocated | 2004-11-04 | 96cec03cdb0d… |
| 72.13.0.0 – 72.13.15.255 | 4,096 | US |
allocated | 2004-11-03 | 04371e53111c… |
| 204.9.224.0 – 204.9.231.255 | 2,048 | US |
allocated | 2004-11-03 | 3d64a3b14f09… |
| 72.10.224.0 – 72.10.255.255 | 8,192 | US |
allocated | 2004-11-02 | bfb299a02ca3… |
| 204.9.220.0 – 204.9.223.255 | 1,024 | US |
allocated | 2004-11-02 | f02e87cea8c8… |
| 72.4.0.0 – 72.4.63.255 | 16,384 | US |
allocated | 2004-11-01 | 6c065d5b54b8… |
| 72.12.128.0 – 72.12.191.255 | 16,384 |  CA |
allocated | 2004-11-01 | dcd08486c35a… |
| 205.149.16.0 – 205.149.31.255 | 4,096 | US |
allocated | 2004-11-01 | cc9e9dd25daf… |
| 207.45.80.0 – 207.45.95.255 | 4,096 | US |
allocated | 2004-11-01 | b1eb01bf5a81… |
| 206.41.80.0 – 206.41.95.255 | 4,096 | CA |
allocated | 2004-10-29 | f046ddd53b88… |
| 24.115.0.0 – 24.115.255.255 | 65,536 | US |
allocated | 2004-10-28 | 8c76fde22fe6… |
| 72.10.192.0 – 72.10.223.255 | 8,192 | US |
allocated | 2004-10-28 | 95adc31e7aaa… |
| 204.9.208.0 – 204.9.215.255 | 2,048 | US |
allocated | 2004-10-28 | 19adf6e35b81… |
| 206.53.176.0 – 206.53.191.255 | 4,096 |  BM |
allocated | 2004-10-28 | 5f3d64c63627… |
| 72.10.128.0 – 72.10.159.255 | 8,192 | CA |
allocated | 2004-10-27 | 739053b97948… |
| 72.10.160.0 – 72.10.175.255 | 4,096 | CA |
allocated | 2004-10-27 | b07b65f9ed3d… |
| 72.12.64.0 – 72.12.95.255 | 8,192 | US |
allocated | 2004-10-27 | f57036a35d7c… |
| 198.3.136.0 – 198.3.143.255 | 2,048 | US |
allocated | 2004-10-27 | 49eef8652124… |
| 207.231.176.0 – 207.231.191.255 | 4,096 | US |
allocated | 2004-10-27 | fdd2903a89b5… |
| 72.10.96.0 – 72.10.127.255 | 8,192 | US |
allocated | 2004-10-26 | ee44a34fcea1… |
| 204.9.192.0 – 204.9.199.255 | 2,048 | US |
allocated | 2004-10-26 | 0fa4a3082d9a… |
| 204.9.200.0 – 204.9.207.255 | 2,048 | US |
allocated | 2004-10-26 | efcc1a227387… |
| 72.11.192.0 – 72.11.223.255 | 8,192 | US |
allocated | 2004-10-25 | 29c13a577505… |
| 204.9.168.0 – 204.9.171.255 | 1,024 | US |
allocated | 2004-10-25 | 1fbe62603550… |
| 204.9.160.0 – 204.9.167.255 | 2,048 | CA |
allocated | 2004-10-21 | f60173892a71… |
| 72.10.64.0 – 72.10.95.255 | 8,192 | US |
allocated | 2004-10-20 | 34d342be0361… |
| 72.11.0.0 – 72.11.31.255 | 8,192 | US |
allocated | 2004-10-20 | 698d8f58188d… |
| 72.11.64.0 – 72.11.127.255 | 16,384 | US |
allocated | 2004-10-20 | 07b4afc6ca39… |
| 64.92.176.0 – 64.92.191.255 | 4,096 | US |
allocated | 2004-10-19 | 385b143d4d0a… |
| 66.225.160.0 – 66.225.191.255 | 8,192 | CA |
allocated | 2004-10-19 | 0d46a8b30ddc… |
| 71.4.0.0 – 71.5.255.255 | 131,072 | US |
allocated | 2004-10-19 | e220ed812a4c… |
| 72.10.32.0 – 72.10.63.255 | 8,192 | US |
allocated | 2004-10-19 | fec517dc310c… |
| 72.10.0.0 – 72.10.31.255 | 8,192 | US |
allocated | 2004-10-18 | c340bec24822… |
| 204.9.144.0 – 204.9.151.255 | 2,048 | US |
allocated | 2004-10-15 | 2d5cda6c71c8… |
| 204.9.152.0 – 204.9.159.255 | 2,048 | US |
allocated | 2004-10-15 | 6cd6208e8ff3… |
| 206.82.112.0 – 206.82.127.255 | 4,096 | US |
allocated | 2004-10-15 | e03d39cddd7b… |
| 24.32.0.0 – 24.32.255.255 | 65,536 | US |
allocated | 2004-10-13 | e5d261f87d58… |
| 72.2.192.0 – 72.2.223.255 | 8,192 | US |
allocated | 2004-10-13 | e220ed812a4c… |
| 204.9.136.0 – 204.9.143.255 | 2,048 | US |
allocated | 2004-10-13 | 65016ba39c26… |
| 67.159.0.0 – 67.159.63.255 | 16,384 | US |
allocated | 2004-10-12 | 9a3e11090a14… |
| 72.9.224.0 – 72.9.227.255 | 1,024 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.229.0 – 72.9.229.255 | 256 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.230.0 – 72.9.231.255 | 512 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.232.0 – 72.9.239.255 | 2,048 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.241.0 – 72.9.241.255 | 256 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.243.0 – 72.9.243.255 | 256 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.244.0 – 72.9.247.255 | 1,024 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.248.0 – 72.9.249.255 | 512 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.251.0 – 72.9.251.255 | 256 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 72.9.252.0 – 72.9.255.255 | 1,024 | US |
allocated | 2004-10-11 | 4b85a5bca9cb… |
| 204.9.128.0 – 204.9.135.255 | 2,048 | US |
allocated | 2004-10-11 | 6a8d7f5376c9… |
| 206.124.112.0 – 206.124.127.255 | 4,096 | CA |
allocated | 2004-10-11 | 81d84a66fa20… |
| 72.9.192.0 – 72.9.223.255 | 8,192 | US |
allocated | 2004-10-07 | c1cc92c83435… |
| 204.9.120.0 – 204.9.127.255 | 2,048 | US |
allocated | 2004-10-07 | cdb7d42057bd… |
| 72.2.64.0 – 72.2.95.255 | 8,192 | US |
allocated | 2004-10-06 | 5d2cf8bf35be… |
| 72.2.128.0 – 72.2.159.255 | 8,192 | US |
allocated | 2004-10-06 | 2df6413af3a6… |
| 72.9.160.0 – 72.9.191.255 | 8,192 | CA |
allocated | 2004-10-05 | 0e702695cc8d… |
| 206.124.48.0 – 206.124.63.255 | 4,096 | US |
allocated | 2004-10-05 | 755ff1346118… |
| 72.3.128.0 – 72.3.255.255 | 32,768 | US |
allocated | 2004-10-04 | c66e83fbb76c… |