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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,462
delegated blocks
🔗
Autonomous systems
34,166
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 24.51.50.0 – 24.51.51.255 | 512 |  US |
allocated | 2014-06-20 | 5226d92455e4… |
| 24.51.52.0 – 24.51.55.255 | 1,024 | US |
allocated | 2014-06-20 | 2b2ae3e4e6dd… |
| 24.51.56.0 – 24.51.63.255 | 2,048 | US |
allocated | 2014-06-20 | 2b2ae3e4e6dd… |
| 24.72.208.0 – 24.72.215.255 | 2,048 | US |
allocated | 2014-06-20 | b76dfcbff166… |
| 24.72.216.0 – 24.72.223.255 | 2,048 | US |
allocated | 2014-06-20 | 2b2ae3e4e6dd… |
| 54.64.0.0 – 54.95.255.255 | 2,097,152 | US |
allocated | 2014-06-20 | 4a8a91b5b89d… |
| 104.37.156.0 – 104.37.159.255 | 1,024 | US |
allocated | 2014-06-20 | 9f99e443c6ad… |
| 104.37.212.0 – 104.37.215.255 | 1,024 | US |
allocated | 2014-06-20 | 58a28faa3385… |
| 104.37.224.0 – 104.37.227.255 | 1,024 | US |
allocated | 2014-06-20 | 2b2ae3e4e6dd… |
| 104.140.0.0 – 104.140.255.255 | 65,536 | US |
allocated | 2014-06-20 | c9d7d3e1a94d… |
| 104.37.144.0 – 104.37.147.255 | 1,024 | US |
allocated | 2014-06-19 | d45d00c6816c… |
| 104.37.160.0 – 104.37.167.255 | 2,048 | US |
allocated | 2014-06-19 | 37e4db5a6c49… |
| 104.37.208.0 – 104.37.211.255 | 1,024 | US |
allocated | 2014-06-19 | 33ee2f59b6a0… |
| 104.37.216.0 – 104.37.223.255 | 2,048 | US |
allocated | 2014-06-19 | 04371e53111c… |
| 104.129.208.0 – 104.129.223.255 | 4,096 | US |
allocated | 2014-06-19 | 343a1220d872… |
| 192.40.6.0 – 192.40.6.255 | 256 | US |
allocated | 2014-06-19 | d949e81903de… |
| 192.40.49.0 – 192.40.49.255 | 256 | US |
allocated | 2014-06-19 | 743e577f6556… |
| 104.37.168.0 – 104.37.171.255 | 1,024 | US |
allocated | 2014-06-18 | f9c57d4842b3… |
| 104.37.176.0 – 104.37.183.255 | 2,048 | US |
allocated | 2014-06-18 | 4047de288fc4… |
| 104.37.184.0 – 104.37.191.255 | 2,048 | US |
allocated | 2014-06-18 | 13d512adeacc… |
| 104.37.200.0 – 104.37.207.255 | 2,048 |  CA |
allocated | 2014-06-18 | df04ba7e5e16… |
| 104.129.192.0 – 104.129.207.255 | 4,096 | US |
allocated | 2014-06-18 | 2e8affbc9d91… |
| 146.71.96.0 – 146.71.127.255 | 8,192 | US |
allocated | 2014-06-18 | 80aea3068510… |
| 170.75.240.0 – 170.75.255.255 | 4,096 | US |
allocated | 2014-06-18 | ada44db44fda… |
| 192.30.150.0 – 192.30.151.255 | 512 | US |
allocated | 2014-06-18 | b5b499a49243… |
| 192.40.46.0 – 192.40.46.255 | 256 | US |
allocated | 2014-06-18 | fe432bda1e87… |
| 204.62.202.0 – 204.62.203.255 | 512 | US |
allocated | 2014-06-18 | ae8c219a89f8… |
| 204.62.204.0 – 204.62.205.255 | 512 | US |
allocated | 2014-06-18 | dd5f769a7ada… |
| 104.37.68.0 – 104.37.71.255 | 1,024 | US |
allocated | 2014-06-17 | 4fe7d0a5db99… |
| 104.37.128.0 – 104.37.131.255 | 1,024 | US |
allocated | 2014-06-17 | 3f8994903990… |
| 104.37.132.0 – 104.37.135.255 | 1,024 | US |
allocated | 2014-06-17 | 6ac9e8ec86fb… |
| 148.163.192.0 – 148.163.255.255 | 16,384 | US |
allocated | 2014-06-17 | 65016ba39c26… |
| 157.131.0.0 – 157.131.255.255 | 65,536 | US |
allocated | 2014-06-17 | 382ccf1a9d45… |
| 158.222.112.0 – 158.222.127.255 | 4,096 | US |
allocated | 2014-06-17 | 73f9edc490b6… |
| 192.30.126.0 – 192.30.127.255 | 512 | US |
allocated | 2014-06-17 | 93fbe592537d… |
| 192.34.213.0 – 192.34.213.255 | 256 | US |
allocated | 2014-06-17 | 261258ecc99e… |
| 104.36.216.0 – 104.36.223.255 | 2,048 | US |
allocated | 2014-06-16 | 568f9a04beea… |
| 104.37.84.0 – 104.37.87.255 | 1,024 | US |
allocated | 2014-06-16 | 05420013fe06… |
| 104.37.96.0 – 104.37.103.255 | 2,048 | US |
allocated | 2014-06-16 | 46fc0b62d0e0… |
| 104.37.104.0 – 104.37.107.255 | 1,024 | US |
allocated | 2014-06-16 | bee76049446f… |
| 104.37.108.0 – 104.37.111.255 | 1,024 | US |
allocated | 2014-06-16 | 6e048190eb9a… |
| 104.37.112.0 – 104.37.115.255 | 1,024 | CA |
allocated | 2014-06-16 | 4af9c980bb77… |
| 170.75.176.0 – 170.75.191.255 | 4,096 | US |
allocated | 2014-06-16 | 5d2bda22b671… |
| 170.75.192.0 – 170.75.207.255 | 4,096 | US |
allocated | 2014-06-16 | 56452cad4e65… |
| 192.40.24.0 – 192.40.24.255 | 256 | US |
allocated | 2014-06-16 | 5304728a67e6… |
| 104.36.112.0 – 104.36.115.255 | 1,024 | US |
allocated | 2014-06-13 | d25e1e0da3b6… |
| 104.37.64.0 – 104.37.67.255 | 1,024 | CA |
allocated | 2014-06-13 | aa1284f96cc4… |
| 104.37.72.0 – 104.37.75.255 | 1,024 | CA |
allocated | 2014-06-13 | cc9063d43f68… |
| 104.37.80.0 – 104.37.83.255 | 1,024 | CA |
allocated | 2014-06-13 | 1312efee6c4f… |
| 104.128.240.0 – 104.128.255.255 | 4,096 | CA |
allocated | 2014-06-13 | 1b355ff093fd… |
| 146.71.32.0 – 146.71.63.255 | 8,192 | US |
allocated | 2014-06-13 | 4ae600295176… |
| 148.163.128.0 – 148.163.159.255 | 8,192 | US |
allocated | 2014-06-13 | 4dbe92647d2b… |
| 158.222.48.0 – 158.222.63.255 | 4,096 | US |
allocated | 2014-06-13 | 56f2c14d93ef… |
| 192.34.232.0 – 192.34.232.255 | 256 | US |
allocated | 2014-06-13 | f08147a612cc… |
| 192.35.252.0 – 192.35.252.255 | 256 | US |
allocated | 2014-06-13 | 94d18e56253f… |
| 104.37.52.0 – 104.37.55.255 | 1,024 | US |
allocated | 2014-06-12 | 1ab4c061e947… |
| 104.37.56.0 – 104.37.59.255 | 1,024 | US |
allocated | 2014-06-12 | e8738ae24344… |
| 104.37.60.0 – 104.37.63.255 | 1,024 | CA |
allocated | 2014-06-12 | f6b965c213cd… |
| 104.138.0.0 – 104.139.255.255 | 131,072 | US |
allocated | 2014-06-12 | d2fc8fbc818f… |
| 192.30.88.0 – 192.30.89.255 | 512 | CA |
allocated | 2014-06-12 | 25be4d887749… |
| 104.36.36.0 – 104.36.39.255 | 1,024 | US |
allocated | 2014-06-11 | b32cd0411163… |
| 104.37.44.0 – 104.37.47.255 | 1,024 | US |
allocated | 2014-06-11 | 530a0ac343bd… |
| 155.94.234.0 – 155.94.234.255 | 256 | US |
allocated | 2014-06-11 | a0fbfdd287db… |
| 170.75.160.0 – 170.75.175.255 | 4,096 | CA |
allocated | 2014-06-11 | 9f192f5419a9… |
| 192.12.148.0 – 192.12.149.255 | 512 | US |
allocated | 2014-06-11 | 53d39b851a33… |
| 192.30.54.0 – 192.30.55.255 | 512 | US |
allocated | 2014-06-11 | a9f00dca2568… |
| 192.34.91.0 – 192.34.91.255 | 256 | US |
allocated | 2014-06-11 | f84f9c640469… |
| 192.34.144.0 – 192.34.144.255 | 256 | US |
allocated | 2014-06-11 | 39adb4d16d68… |
| 192.35.140.0 – 192.35.140.255 | 256 | US |
allocated | 2014-06-11 | 60b9d1f8329b… |
| 64.25.144.0 – 64.25.159.255 | 4,096 | US |
allocated | 2014-06-10 | e4e51358f66f… |
| 104.37.20.0 – 104.37.23.255 | 1,024 | CA |
allocated | 2014-06-10 | 0bdb9de83224… |
| 104.37.24.0 – 104.37.31.255 | 2,048 | US |
allocated | 2014-06-10 | 7920c0f2e63e… |
| 162.255.168.0 – 162.255.171.255 | 1,024 | US |
allocated | 2014-06-10 | 4020e55cd566… |
| 170.75.144.0 – 170.75.159.255 | 4,096 | US |
allocated | 2014-06-10 | bf15c425ecb6… |
| 192.30.102.0 – 192.30.103.255 | 512 | US |
allocated | 2014-06-10 | 7e007488c015… |
| 192.30.120.0 – 192.30.121.255 | 512 | US |
allocated | 2014-06-10 | 2846673e32cc… |
| 216.144.0.0 – 216.144.63.255 | 16,384 | US |
allocated | 2014-06-10 | cf118c693080… |
| 67.219.144.0 – 67.219.151.255 | 2,048 | US |
allocated | 2014-06-09 | 1260d6c06539… |
| 104.36.252.0 – 104.36.255.255 | 1,024 | US |
allocated | 2014-06-09 | 55ca8225b311… |
| 104.37.0.0 – 104.37.7.255 | 2,048 | US |
allocated | 2014-06-09 | 73ddb635968e… |
| 170.75.128.0 – 170.75.143.255 | 4,096 | US |
allocated | 2014-06-09 | 32af31b2c58a… |
| 192.30.38.0 – 192.30.39.255 | 512 | US |
allocated | 2014-06-09 | c3c5692f9ca8… |
| 192.33.18.0 – 192.33.18.255 | 256 | US |
allocated | 2014-06-09 | d2525c8d9fc6… |
| 104.36.192.0 – 104.36.199.255 | 2,048 | US |
allocated | 2014-06-06 | dd05e8dfc5e1… |
| 104.36.204.0 – 104.36.207.255 | 1,024 | US |
allocated | 2014-06-06 | 7a7ec3cccb8f… |
| 104.36.208.0 – 104.36.215.255 | 2,048 | US |
allocated | 2014-06-06 | d1e297793572… |
| 104.36.240.0 – 104.36.247.255 | 2,048 | US |
allocated | 2014-06-06 | 8300bbb71e8a… |
| 104.36.248.0 – 104.36.251.255 | 1,024 | US |
allocated | 2014-06-06 | 0154761b1c93… |
| 148.163.0.0 – 148.163.127.255 | 32,768 | US |
allocated | 2014-06-06 | f0974eeeff09… |
| 192.35.157.0 – 192.35.157.255 | 256 | US |
allocated | 2014-06-06 | 3da4a6e7554e… |
| 104.36.176.0 – 104.36.183.255 | 2,048 | US |
allocated | 2014-06-05 | f3cb8e58b641… |
| 104.36.188.0 – 104.36.191.255 | 1,024 | US |
allocated | 2014-06-05 | c17b4db6c788… |
| 104.36.200.0 – 104.36.203.255 | 1,024 | US |
allocated | 2014-06-05 | c7a5540c6ed4… |
| 104.36.232.0 – 104.36.239.255 | 2,048 | US |
allocated | 2014-06-05 | 54572ddc9fb0… |
| 104.128.208.0 – 104.128.223.255 | 4,096 | US |
allocated | 2014-06-05 | 6f2727b33228… |
| 107.191.208.0 – 107.191.223.255 | 4,096 |  GP |
allocated | 2014-06-05 | 0c5d85067391… |
| 142.147.15.0 – 142.147.15.255 | 256 | CA |
allocated | 2014-06-05 | 4f4de28afbfd… |
| 142.147.16.0 – 142.147.31.255 | 4,096 | CA |
allocated | 2014-06-05 | 4f4de28afbfd… |
| 142.147.32.0 – 142.147.47.255 | 4,096 | CA |
allocated | 2014-06-05 | 4f4de28afbfd… |
| 142.147.50.0 – 142.147.50.255 | 256 | CA |
allocated | 2014-06-05 | 4f4de28afbfd… |