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 |
|---|---|---|---|---|---|
| 66.180.160.0 – 66.180.175.255 | 4,096 |  US |
allocated | 2001-10-15 | 733a7e33ee6f… |
| 66.180.48.0 – 66.180.63.255 | 4,096 | US |
allocated | 2001-10-11 | 08e71d886f86… |
| 24.56.64.0 – 24.56.95.255 | 8,192 | US |
allocated | 2001-10-10 | d2fc8fbc818f… |
| 66.178.0.0 – 66.178.127.255 | 32,768 | US |
allocated | 2001-10-10 | b2912358a66c… |
| 66.180.0.0 – 66.180.15.255 | 4,096 | US |
allocated | 2001-10-10 | cf39727474a4… |
| 64.85.224.0 – 64.85.255.255 | 8,192 | US |
allocated | 2001-10-09 | 1a922969fbba… |
| 66.179.12.0 – 66.179.13.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.14.0 – 66.179.14.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.23.0 – 66.179.23.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.24.0 – 66.179.27.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.28.0 – 66.179.28.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.32.0 – 66.179.35.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.52.0 – 66.179.55.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.56.0 – 66.179.57.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.64.0 – 66.179.67.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.72.0 – 66.179.75.255 | 1,024 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.90.0 – 66.179.91.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.96.0 – 66.179.97.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.98.0 – 66.179.98.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 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 – 66.179.168.255 | 256 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.172.0 – 66.179.173.255 | 512 | US |
allocated | 2001-10-09 | 66e68ecd93af… |
| 66.179.175.0 – 66.179.175.255 | 256 | 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… |
| 64.239.71.0 – 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… |