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
1,645,647,872
📦
IPv4 networks
76,740
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,065
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.179.112.0 – 66.179.115.255 | 1,024 |  US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.120.0 – 66.179.127.255 | 2,048 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.140.0 – 66.179.140.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.143.0 – 66.179.143.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.157.0 – 66.179.157.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.158.0 – 66.179.159.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.160.0 – 66.179.160.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.162.0 – 66.179.163.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.164.0 – 66.179.165.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.167.0 – 66.179.167.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.168.0 – 66.179.175.255 | 2,048 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.177.0 – 66.179.177.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.178.0 – 66.179.179.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.184.0 – 66.179.187.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.206.0 – 66.179.206.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.212.0 – 66.179.212.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.214.0 – 66.179.215.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.216.0 – 66.179.217.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.220.0 – 66.179.223.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.224.0 – 66.179.231.255 | 2,048 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.246.0 – 66.179.246.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 64.238.224.0 – 64.238.255.255 | 8,192 | US |
allocated | 2001-10-08 | cdb7d42057bd… |
| 64.238.192.0 – 64.238.199.255 | 2,048 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.238.200.0 – 64.238.201.255 | 512 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.238.202.0 – 64.238.202.255 | 256 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.238.205.0 – 64.238.205.255 | 256 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.238.206.0 – 64.238.207.255 | 512 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.238.208.0 – 64.238.223.255 | 4,096 | US |
allocated | 2001-10-05 | 66e68ecd93af… |
| 64.246.0.0 – 64.246.63.255 | 16,384 | US |
allocated | 2001-10-05 | 5dba07179e25… |
| 66.175.128.0 – 66.175.191.255 | 16,384 | US |
allocated | 2001-10-05 | ef686473f0fc… |
| 64.238.160.0 – 64.238.191.255 | 8,192 | US |
allocated | 2001-10-04 | d4498e452a9a… |
| 64.239.128.0 – 64.239.191.255 | 16,384 | US |
allocated | 2001-10-03 | f81d9edf6843… |
| 66.175.0.0 – 66.175.63.255 | 16,384 |  CA |
allocated | 2001-10-03 | 9533b2ecb615… |
| 66.174.0.0 – 66.174.255.255 | 65,536 | US |
allocated | 2001-10-01 | e220ed812a4c… |
| 66.176.0.0 – 66.177.255.255 | 131,072 | US |
allocated | 2001-10-01 | 3a7b40ab58f6… |
| 24.33.0.0 – 24.33.255.255 | 65,536 | US |
allocated | 2001-09-28 | d2fc8fbc818f… |
| 66.173.0.0 – 66.173.127.255 | 32,768 | US |
allocated | 2001-09-28 | b473330fef07… |
| 216.135.64.0 – 216.135.95.255 | 8,192 | US |
allocated | 2001-09-28 | c9b648277844… |
| 64.238.64.0 – 64.238.95.255 | 8,192 | US |
allocated | 2001-09-27 | ace55d4dc090… |
| 24.73.0.0 – 24.73.255.255 | 65,536 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 24.97.0.0 – 24.97.255.255 | 65,536 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 24.123.0.0 – 24.123.255.255 | 65,536 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 24.136.96.0 – 24.136.127.255 | 8,192 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 24.199.0.0 – 24.199.63.255 | 16,384 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 24.199.128.0 – 24.199.255.255 | 32,768 | US |
allocated | 2001-09-26 | d2fc8fbc818f… |
| 64.238.32.0 – 64.238.33.255 | 512 | US |
allocated | 2001-09-26 | ea7c19f14dd9… |
| 64.238.35.0 – 64.238.35.255 | 256 | US |
allocated | 2001-09-26 | ea7c19f14dd9… |
| 64.238.39.0 – 64.238.39.255 | 256 | US |
allocated | 2001-09-26 | ea7c19f14dd9… |
| 67.88.0.0 – 67.95.255.255 | 524,288 | US |
allocated | 2001-09-26 | e220ed812a4c… |
| 64.239.5.0 – 64.239.5.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.7.0 – 64.239.7.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.18.0 – 64.239.18.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.22.0 – 64.239.22.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.30.0 – 64.239.30.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.36.0 – 64.239.36.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.58.0 – 64.239.58.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.62.0 – 64.239.62.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.68.0 – 64.239.69.255 | 512 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.71.0 – 64.239.71.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.75.0 – 64.239.75.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.108.0 – 64.239.108.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.114.0 – 64.239.115.255 | 512 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.122.0 – 64.239.122.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 64.239.127.0 – 64.239.127.255 | 256 | CA |
allocated | 2001-09-25 | 3c781914ab27… |
| 66.170.192.0 – 66.170.223.255 | 8,192 | US |
allocated | 2001-09-25 | 424bfcacb580… |
| 24.98.0.0 – 24.99.255.255 | 131,072 | US |
allocated | 2001-09-24 | 3a7b40ab58f6… |
| 66.170.128.0 – 66.170.143.255 | 4,096 | US |
allocated | 2001-09-24 | e5e3b9c13678… |
| 66.170.160.0 – 66.170.175.255 | 4,096 | US |
allocated | 2001-09-24 | da30a61dbdb2… |
| 64.28.240.0 – 64.28.255.255 | 4,096 | US |
allocated | 2001-09-21 | d31c6e35cb43… |
| 65.56.0.0 – 65.59.255.255 | 262,144 | US |
allocated | 2001-09-21 | e5e3b9c13678… |
| 66.170.64.0 – 66.170.79.255 | 4,096 | US |
allocated | 2001-09-21 | 696f2fb6cf50… |
| 66.172.128.0 – 66.172.159.255 | 8,192 | US |
allocated | 2001-09-21 | 3897697b6690… |
| 67.16.0.0 – 67.17.255.255 | 131,072 | US |
allocated | 2001-09-21 | e5e3b9c13678… |
| 24.121.0.0 – 24.121.255.255 | 65,536 | US |
allocated | 2001-09-20 | dc28ffe4a49a… |
| 66.172.0.0 – 66.172.63.255 | 16,384 | US |
allocated | 2001-09-20 | d537614cb5a4… |
| 24.170.192.0 – 24.170.207.255 | 4,096 | US |
allocated | 2001-09-19 | 4cad11d18482… |
| 66.170.32.0 – 66.170.63.255 | 8,192 | US |
allocated | 2001-09-19 | 4a13ef7a2a83… |
| 66.170.240.0 – 66.170.255.255 | 4,096 | US |
allocated | 2001-09-19 | dcae70b4b5e9… |
| 216.55.64.0 – 216.55.79.255 | 4,096 | US |
allocated | 2001-09-19 | 0b61444d014d… |
| 216.55.80.0 – 216.55.95.255 | 4,096 | US |
allocated | 2001-09-19 | 37fe01d6d027… |
| 24.34.0.0 – 24.34.255.255 | 65,536 | US |
allocated | 2001-09-18 | 3a7b40ab58f6… |
| 24.153.64.0 – 24.153.95.255 | 8,192 | US |
allocated | 2001-09-18 | 3a7b40ab58f6… |
| 66.170.0.0 – 66.170.31.255 | 8,192 | US |
allocated | 2001-09-18 | c9cc5841b3c3… |
| 66.170.224.0 – 66.170.239.255 | 4,096 | US |
allocated | 2001-09-18 | e46d50b27c27… |
| 24.118.0.0 – 24.118.255.255 | 65,536 | US |
allocated | 2001-09-17 | 3a7b40ab58f6… |
| 66.163.192.0 – 66.163.207.255 | 4,096 | CA |
allocated | 2001-09-17 | e23590be198b… |
| 64.147.0.0 – 64.147.31.255 | 8,192 | US |
allocated | 2001-09-14 | 4cad11d18482… |
| 64.147.128.0 – 64.147.159.255 | 8,192 | US |
allocated | 2001-09-14 | b57b72384ae4… |
| 64.147.192.0 – 64.147.207.255 | 4,096 | US |
allocated | 2001-09-14 | 629c0ae781c1… |
| 64.147.240.0 – 64.147.255.255 | 4,096 | CA |
allocated | 2001-09-14 | a92547f1ab18… |
| 24.136.64.0 – 24.136.95.255 | 8,192 | US |
allocated | 2001-09-13 | b8051913e298… |
| 64.146.128.0 – 64.146.255.255 | 32,768 | US |
allocated | 2001-09-13 | 0e7bbbabfd0f… |
| 66.163.224.0 – 66.163.255.255 | 8,192 | US |
allocated | 2001-09-13 | 25f7219d378b… |
| 66.168.0.0 – 66.169.255.255 | 131,072 | US |
allocated | 2001-09-12 | 2ae6f8bcdd0f… |
| 24.125.0.0 – 24.125.255.255 | 65,536 | US |
allocated | 2001-09-10 | 3a7b40ab58f6… |
| 66.166.0.0 – 66.167.255.255 | 131,072 | US |
allocated | 2001-09-10 | a7f7463af3d3… |
| 24.153.128.0 – 24.153.255.255 | 32,768 | US |
allocated | 2001-09-07 | d2fc8fbc818f… |
| 66.163.160.0 – 66.163.191.255 | 8,192 | US |
allocated | 2001-09-07 | c2dfb9e7c865… |
| 209.201.128.0 – 209.201.255.255 | 32,768 | US |
allocated | 2001-09-07 | 91216fb6612f… |
| 66.161.128.0 – 66.161.255.255 | 32,768 | US |
allocated | 2001-09-06 | da30a61dbdb2… |