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 |
|---|---|---|---|---|---|
| 66.12.0.0 – 66.15.255.255 | 262,144 |  US |
allocated | 2000-08-31 | e220ed812a4c… |
| 216.23.160.0 – 216.23.191.255 | 8,192 | US |
allocated | 2000-08-29 | 0b61444d014d… |
| 216.23.192.0 – 216.23.223.255 | 8,192 | US |
allocated | 2000-08-29 | ebec6aef96a0… |
| 216.69.112.0 – 216.69.127.255 | 4,096 | US |
allocated | 2000-08-29 | e15b1ea041ad… |
| 216.69.96.0 – 216.69.111.255 | 4,096 | US |
allocated | 2000-08-28 | a7580aa3890a… |
| 66.1.0.0 – 66.1.255.255 | 65,536 | US |
allocated | 2000-08-25 | c4fef8e680d3… |
| 204.245.128.0 – 204.245.191.255 | 16,384 | US |
allocated | 2000-08-25 | 9f14454567a6… |
| 209.70.0.0 – 209.70.255.255 | 65,536 | US |
allocated | 2000-08-25 | 9f14454567a6… |
| 209.248.64.0 – 209.248.127.255 | 16,384 | US |
allocated | 2000-08-25 | 7e8fc21ece53… |
| 216.183.96.0 – 216.183.99.255 | 1,024 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.102.0 – 216.183.102.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.104.0 – 216.183.104.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.108.0 – 216.183.108.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.114.0 – 216.183.114.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.122.0 – 216.183.122.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 216.183.124.0 – 216.183.124.255 | 256 | US |
allocated | 2000-08-25 | 66e68ecd93af… |
| 66.4.0.0 – 66.5.255.255 | 131,072 | US |
allocated | 2000-08-24 | 0c916bf50f6d… |
| 216.183.32.0 – 216.183.63.255 | 8,192 | US |
allocated | 2000-08-24 | 50ed40f7fe07… |
| 65.128.0.0 – 65.159.255.255 | 2,097,152 | US |
allocated | 2000-08-23 | cdb7d42057bd… |
| 66.2.0.0 – 66.3.255.255 | 131,072 | US |
allocated | 2000-08-23 | e220ed812a4c… |
| 209.99.0.0 – 209.99.127.255 | 32,768 | US |
allocated | 2000-08-23 | 2f174894386d… |
| 216.97.128.0 – 216.97.159.255 | 8,192 | US |
allocated | 2000-08-23 | 278d3043dbec… |
| 216.166.0.0 – 216.166.127.255 | 32,768 | US |
allocated | 2000-08-23 | 2f174894386d… |
| 65.24.0.0 – 65.31.255.255 | 524,288 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 65.32.0.0 – 65.33.255.255 | 131,072 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 65.34.0.0 – 65.34.31.255 | 8,192 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 65.34.48.0 – 65.34.63.255 | 4,096 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 65.34.64.0 – 65.34.127.255 | 16,384 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 65.34.128.0 – 65.34.255.255 | 32,768 | US |
allocated | 2000-08-22 | 3a7b40ab58f6… |
| 65.35.0.0 – 65.35.255.255 | 65,536 | US |
allocated | 2000-08-22 | d2fc8fbc818f… |
| 66.56.0.0 – 66.56.63.255 | 16,384 | US |
allocated | 2000-08-22 | 3a7b40ab58f6… |
| 209.17.224.0 – 209.17.255.255 | 8,192 | US |
allocated | 2000-08-21 | 3f09700fcd04… |
| 209.124.0.0 – 209.124.31.255 | 8,192 | US |
allocated | 2000-08-20 | 9f14454567a6… |
| 192.30.50.0 – 192.30.50.255 | 256 | US |
allocated | 2000-08-18 | 389e3029fae3… |
| 192.69.80.0 – 192.69.80.255 | 256 | US |
allocated | 2000-08-18 | 389e3029fae3… |
| 192.69.140.0 – 192.69.140.255 | 256 | US |
allocated | 2000-08-18 | 389e3029fae3… |
| 216.185.32.0 – 216.185.63.255 | 8,192 | US |
allocated | 2000-08-17 | 7b3cc8550ec4… |
| 216.185.64.0 – 216.185.95.255 | 8,192 |  CA |
allocated | 2000-08-17 | 0042cdeb1e05… |
| 216.185.96.0 – 216.185.127.255 | 8,192 | US |
allocated | 2000-08-17 | 5dba07179e25… |
| 216.185.224.0 – 216.185.239.255 | 4,096 | US |
allocated | 2000-08-17 | f4c3f030b497… |
| 216.178.112.0 – 216.178.127.255 | 4,096 | US |
allocated | 2000-08-16 | 9a65a87e3abf… |
| 216.36.224.0 – 216.36.239.255 | 4,096 | US |
allocated | 2000-08-15 | f9107f6aa386… |
| 216.36.240.0 – 216.36.247.255 | 2,048 | US |
allocated | 2000-08-15 | f9107f6aa386… |
| 216.36.248.0 – 216.36.251.255 | 1,024 | US |
allocated | 2000-08-15 | f9107f6aa386… |
| 216.146.96.0 – 216.146.127.255 | 8,192 | US |
allocated | 2000-08-15 | 31cabede332a… |
| 216.184.64.0 – 216.184.95.255 | 8,192 | US |
allocated | 2000-08-15 | 75fc43d5f69c… |
| 216.196.96.0 – 216.196.127.255 | 8,192 | US |
allocated | 2000-08-15 | 2f174894386d… |
| 216.196.128.0 – 216.196.255.255 | 32,768 | US |
allocated | 2000-08-15 | da30a61dbdb2… |
| 216.36.128.0 – 216.36.191.255 | 16,384 | CA |
allocated | 2000-08-14 | efef4c621276… |
| 192.40.7.0 – 192.40.7.255 | 256 | US |
allocated | 2000-08-10 | 45fe880b68a8… |
| 192.40.8.0 – 192.40.15.255 | 2,048 | US |
allocated | 2000-08-10 | 45fe880b68a8… |
| 192.40.16.0 – 192.40.19.255 | 1,024 | US |
allocated | 2000-08-10 | 45fe880b68a8… |
| 192.40.20.0 – 192.40.21.255 | 512 | US |
allocated | 2000-08-10 | 45fe880b68a8… |
| 192.40.22.0 – 192.40.22.255 | 256 | US |
allocated | 2000-08-10 | 45fe880b68a8… |
| 208.40.0.0 – 208.40.127.255 | 32,768 | US |
allocated | 2000-08-10 | b0c60d50c903… |
| 209.81.128.0 – 209.81.255.255 | 32,768 | US |
allocated | 2000-08-10 | 9d4e27dfbf0e… |
| 216.36.64.0 – 216.36.127.255 | 16,384 | US |
allocated | 2000-08-10 | a7f7463af3d3… |
| 216.178.64.0 – 216.178.95.255 | 8,192 | US |
allocated | 2000-08-10 | f1e69b8e49c7… |
| 216.214.0.0 – 216.214.255.255 | 65,536 | US |
allocated | 2000-08-10 | 6c065d5b54b8… |
| 216.145.48.0 – 216.145.63.255 | 4,096 | US |
allocated | 2000-08-09 | c2dfb9e7c865… |
| 216.178.96.0 – 216.178.111.255 | 4,096 | US |
allocated | 2000-08-09 | 3f09700fcd04… |
| 216.134.0.0 – 216.134.127.255 | 32,768 | US |
allocated | 2000-08-07 | 56010e2a3a8d… |
| 216.134.128.0 – 216.134.159.255 | 8,192 | US |
allocated | 2000-08-07 | 56010e2a3a8d… |
| 216.135.0.0 – 216.135.63.255 | 16,384 | US |
allocated | 2000-08-07 | 6c065d5b54b8… |
| 216.175.0.0 – 216.175.63.255 | 16,384 | US |
allocated | 2000-08-07 | 0f7106e7d256… |
| 64.180.0.0 – 64.180.255.255 | 65,536 | CA |
allocated | 2000-08-04 | 0e702695cc8d… |
| 216.146.64.0 – 216.146.95.255 | 8,192 | US |
allocated | 2000-08-04 | b0c60d50c903… |
| 64.138.0.0 – 64.138.127.255 | 32,768 | US |
allocated | 2000-08-03 | 81596884accc… |
| 64.138.128.0 – 64.138.191.255 | 16,384 | US |
allocated | 2000-08-03 | 81596884accc… |
| 64.139.0.0 – 64.139.63.255 | 16,384 | US |
allocated | 2000-08-03 | a7f7463af3d3… |
| 64.178.0.0 – 64.178.63.255 | 16,384 | US |
allocated | 2000-08-03 | e220ed812a4c… |
| 64.178.64.0 – 64.178.95.255 | 8,192 | US |
allocated | 2000-08-03 | e220ed812a4c… |
| 204.30.0.0 – 204.30.255.255 | 65,536 | US |
allocated | 2000-08-02 | e5e3b9c13678… |
| 204.31.0.0 – 204.31.127.255 | 32,768 | US |
allocated | 2000-08-02 | e5e3b9c13678… |
| 204.31.128.0 – 204.31.191.255 | 16,384 | US |
allocated | 2000-08-02 | e5e3b9c13678… |
| 209.34.64.0 – 209.34.95.255 | 8,192 | US |
allocated | 2000-08-02 | 9438db1f2bea… |
| 209.23.128.0 – 209.23.191.255 | 16,384 | US |
allocated | 2000-08-01 | 424bfcacb580… |
| 216.144.160.0 – 216.144.191.255 | 8,192 | US |
allocated | 2000-08-01 | a6f50fa048b8… |
| 216.145.32.0 – 216.145.39.255 | 2,048 | US |
allocated | 2000-08-01 | 2076ae1f0380… |
| 216.145.40.0 – 216.145.41.255 | 512 | US |
allocated | 2000-08-01 | 2076ae1f0380… |
| 216.145.42.0 – 216.145.42.255 | 256 | US |
allocated | 2000-08-01 | 2076ae1f0380… |
| 216.145.44.0 – 216.145.47.255 | 1,024 | US |
allocated | 2000-08-01 | 2076ae1f0380… |
| 216.145.64.0 – 216.145.95.255 | 8,192 | US |
allocated | 2000-08-01 | 8c544347ea84… |
| 64.144.0.0 – 64.144.255.255 | 65,536 | US |
allocated | 2000-07-31 | a7f7463af3d3… |
| 64.145.0.0 – 64.145.63.255 | 16,384 | US |
allocated | 2000-07-31 | a7f7463af3d3… |
| 64.145.96.0 – 64.145.127.255 | 8,192 | US |
allocated | 2000-07-31 | a7f7463af3d3… |
| 64.145.128.0 – 64.145.255.255 | 32,768 | US |
allocated | 2000-07-31 | a7f7463af3d3… |
| 216.144.192.0 – 216.144.223.255 | 8,192 | US |
allocated | 2000-07-31 | d92e97764622… |
| 216.130.64.0 – 216.130.95.255 | 8,192 | CA |
allocated | 2000-07-28 | 7de51f8320f6… |
| 64.140.0.0 – 64.140.63.255 | 16,384 | US |
allocated | 2000-07-27 | e5e3b9c13678… |
| 64.140.64.0 – 64.140.95.255 | 8,192 | US |
allocated | 2000-07-27 | e5e3b9c13678… |
| 64.135.0.0 – 64.135.127.255 | 32,768 | US |
allocated | 2000-07-26 | 66e68ecd93af… |
| 64.136.0.0 – 64.136.63.255 | 16,384 | US |
allocated | 2000-07-26 | 651c19f1caef… |
| 128.241.0.0 – 128.241.255.255 | 65,536 | US |
allocated | 2000-07-26 | 9f14454567a6… |
| 216.107.192.0 – 216.107.223.255 | 8,192 | US |
allocated | 2000-07-25 | f57036a35d7c… |
| 216.107.224.0 – 216.107.239.255 | 4,096 | US |
allocated | 2000-07-25 | f57036a35d7c… |
| 216.129.192.0 – 216.129.193.255 | 512 | CA |
allocated | 2000-07-25 | ca299e016615… |
| 216.129.194.0 – 216.129.194.255 | 256 | CA |
allocated | 2000-07-25 | 58099ebcb100… |
| 216.129.195.0 – 216.129.195.255 | 256 | CA |
allocated | 2000-07-25 | ca299e016615… |
| 216.129.196.0 – 216.129.199.255 | 1,024 | CA |
allocated | 2000-07-25 | ca299e016615… |