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
1,645,666,816
📦
IPv4 networks
76,690
delegated blocks
🧭
IPv6 networks
11,349
delegated blocks
🔗
Autonomous systems
34,029
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.52.179.0 – 204.52.179.255 | 256 |  US |
allocated | 1994-07-06 | 4356799aadbf… |
| 204.52.180.0 – 204.52.183.255 | 1,024 | US |
allocated | 1994-07-06 | ff906a76957d… |
| 204.52.184.0 – 204.52.184.255 | 256 | US |
allocated | 1994-07-06 | a60a6a471c06… |
| 204.56.32.0 – 204.56.63.255 | 8,192 | US |
allocated | 1994-07-06 | 105c57756e5b… |
| 204.78.0.0 – 204.78.15.255 | 4,096 | US |
allocated | 1994-07-06 | 454f3567bdf5… |
| 204.89.0.0 – 204.89.7.255 | 2,048 | US |
allocated | 1994-07-06 | ff0146d6b157… |
| 198.245.222.0 – 198.245.223.255 | 512 | US |
allocated | 1994-07-05 | 524b72a93be9… |
| 198.245.224.0 – 198.245.225.255 | 512 | US |
allocated | 1994-07-05 | 524b72a93be9… |
| 198.245.226.0 – 198.245.226.255 | 256 | US |
allocated | 1994-07-05 | 524b72a93be9… |
| 198.245.227.0 – 198.245.227.255 | 256 | US |
allocated | 1994-07-05 | ad9fde14a961… |
| 198.245.228.0 – 198.245.231.255 | 1,024 | US |
allocated | 1994-07-05 | ad9fde14a961… |
| 198.245.232.0 – 198.245.235.255 | 1,024 | US |
allocated | 1994-07-05 | ad9fde14a961… |
| 198.245.236.0 – 198.245.236.255 | 256 | US |
allocated | 1994-07-05 | ad9fde14a961… |
| 198.245.237.0 – 198.245.237.255 | 256 | US |
allocated | 1994-07-05 | 81cfd6b04a4e… |
| 204.29.252.0 – 204.29.252.255 | 256 | US |
allocated | 1994-07-05 | 39c80614c621… |
| 204.29.253.0 – 204.29.253.255 | 256 | US |
allocated | 1994-07-05 | 6e8abca1e576… |
| 204.29.254.0 – 204.29.254.255 | 256 | US |
allocated | 1994-07-05 | 942a4b771e5d… |
| 204.29.255.0 – 204.29.255.255 | 256 | US |
allocated | 1994-07-05 | b5c3fc551da4… |
| 204.52.128.0 – 204.52.131.255 | 1,024 | US |
allocated | 1994-07-05 | 65b6c65384be… |
| 204.52.132.0 – 204.52.132.255 | 256 | US |
allocated | 1994-07-05 | 1c5986ae830b… |
| 204.52.133.0 – 204.52.133.255 | 256 | US |
allocated | 1994-07-05 | 07f36b9b67c8… |
| 204.52.134.0 – 204.52.134.255 | 256 | US |
allocated | 1994-07-05 | 9b64696be056… |
| 204.52.136.0 – 204.52.136.255 | 256 | US |
allocated | 1994-07-05 | 1e4fb4b7e1fb… |
| 204.52.138.0 – 204.52.138.255 | 256 | US |
allocated | 1994-07-05 | cade225cf87a… |
| 204.52.139.0 – 204.52.139.255 | 256 | US |
allocated | 1994-07-05 | ffd67fadfdd4… |
| 204.52.140.0 – 204.52.140.255 | 256 | US |
allocated | 1994-07-05 | ffd67fadfdd4… |
| 204.52.141.0 – 204.52.141.255 | 256 | US |
allocated | 1994-07-05 | e704127213ac… |
| 204.52.142.0 – 204.52.142.255 | 256 | US |
allocated | 1994-07-05 | aa1be52aae24… |
| 204.52.143.0 – 204.52.143.255 | 256 | US |
allocated | 1994-07-05 | a79a8fb99000… |
| 204.52.144.0 – 204.52.144.255 | 256 | US |
allocated | 1994-07-05 | a79a8fb99000… |
| 204.52.146.0 – 204.52.146.255 | 256 | US |
allocated | 1994-07-05 | 44a001326b94… |
| 204.86.32.0 – 204.86.63.255 | 8,192 | US |
allocated | 1994-07-05 | 9229373e664c… |
| 204.87.32.0 – 204.87.63.255 | 8,192 | US |
allocated | 1994-07-05 | 3c4c3c984df6… |
| 204.88.32.0 – 204.88.63.255 | 8,192 | US |
allocated | 1994-07-05 | e940a11695cf… |
| 199.166.253.0 – 199.166.253.255 | 256 |  CA |
allocated | 1994-07-04 | 65f0a7b0e9dc… |
| 198.245.204.0 – 198.245.204.255 | 256 | US |
allocated | 1994-07-02 | cadcc67f1732… |
| 198.245.205.0 – 198.245.205.255 | 256 | US |
allocated | 1994-07-02 | 36cf8b91b77d… |
| 198.245.206.0 – 198.245.206.255 | 256 | US |
allocated | 1994-07-02 | b2025c8849cc… |
| 198.245.207.0 – 198.245.207.255 | 256 | US |
allocated | 1994-07-02 | 0e3ed949ea7d… |
| 198.245.208.0 – 198.245.208.255 | 256 | US |
allocated | 1994-07-02 | 84376b890e21… |
| 198.245.210.0 – 198.245.211.255 | 512 | US |
allocated | 1994-07-02 | cfeab0acff84… |
| 198.245.213.0 – 198.245.213.255 | 256 | US |
allocated | 1994-07-02 | 5cc0b51c37de… |
| 198.245.214.0 – 198.245.214.255 | 256 | US |
allocated | 1994-07-02 | f9a37255b8cb… |
| 198.245.215.0 – 198.245.215.255 | 256 | US |
allocated | 1994-07-02 | 88f1fd0d1896… |
| 15.0.0.0 – 15.63.255.255 | 4,194,304 | US |
allocated | 1994-07-01 | 4a34b9f7ce6e… |
| 15.64.0.0 – 15.95.255.255 | 2,097,152 | US |
allocated | 1994-07-01 | 4a34b9f7ce6e… |
| 15.96.0.0 – 15.99.255.255 | 262,144 | US |
allocated | 1994-07-01 | 4a34b9f7ce6e… |
| 15.100.0.0 – 15.101.255.255 | 131,072 | US |
allocated | 1994-07-01 | 4a34b9f7ce6e… |
| 15.102.0.0 – 15.102.255.255 | 65,536 | US |
allocated | 1994-07-01 | 4a34b9f7ce6e… |
| 15.104.0.0 – 15.111.255.255 | 524,288 | US |
allocated | 1994-07-01 | 1e6aecf01600… |
| 15.112.0.0 – 15.127.255.255 | 1,048,576 | US |
allocated | 1994-07-01 | 1e6aecf01600… |
| 15.139.0.0 – 15.139.255.255 | 65,536 | US |
allocated | 1994-07-01 | d421c651a84f… |
| 15.151.0.0 – 15.151.255.255 | 65,536 | US |
allocated | 1994-07-01 | d421c651a84f… |
| 15.163.0.0 – 15.163.255.255 | 65,536 | US |
allocated | 1994-07-01 | d421c651a84f… |
| 170.161.0.0 – 170.161.255.255 | 65,536 | US |
allocated | 1994-07-01 | 96b80aa31276… |
| 170.162.0.0 – 170.162.255.255 | 65,536 | US |
allocated | 1994-07-01 | bcaa059edacd… |
| 192.5.3.0 – 192.5.3.255 | 256 | US |
allocated | 1994-07-01 | 919f4793f616… |
| 198.245.184.0 – 198.245.185.255 | 512 | US |
allocated | 1994-07-01 | cac8bedf4722… |
| 198.245.186.0 – 198.245.186.255 | 256 | US |
allocated | 1994-07-01 | 7427d76727e8… |
| 198.245.187.0 – 198.245.187.255 | 256 | US |
allocated | 1994-07-01 | 919f4793f616… |
| 198.245.188.0 – 198.245.189.255 | 512 | US |
allocated | 1994-07-01 | 919f4793f616… |
| 198.245.190.0 – 198.245.190.255 | 256 | US |
allocated | 1994-07-01 | 6a59775ea3b3… |
| 198.245.191.0 – 198.245.191.255 | 256 | US |
allocated | 1994-07-01 | 5410db100d8d… |
| 198.245.192.0 – 198.245.192.255 | 256 | US |
allocated | 1994-07-01 | 9ea08b9d481e… |
| 198.245.193.0 – 198.245.193.255 | 256 | US |
allocated | 1994-07-01 | 9dfc6ef8df6c… |
| 198.245.194.0 – 198.245.195.255 | 512 | US |
allocated | 1994-07-01 | 9dfc6ef8df6c… |
| 198.245.196.0 – 198.245.197.255 | 512 | US |
allocated | 1994-07-01 | 9dfc6ef8df6c… |
| 198.245.198.0 – 198.245.198.255 | 256 | US |
allocated | 1994-07-01 | 9dfc6ef8df6c… |
| 198.245.199.0 – 198.245.199.255 | 256 | US |
allocated | 1994-07-01 | f84c597755a3… |
| 198.245.200.0 – 198.245.200.255 | 256 | US |
allocated | 1994-07-01 | 13de5188cec7… |
| 198.245.201.0 – 198.245.201.255 | 256 | US |
allocated | 1994-07-01 | 1c029234d44f… |
| 198.245.202.0 – 198.245.202.255 | 256 | US |
allocated | 1994-07-01 | e8f488a83f1c… |
| 198.245.203.0 – 198.245.203.255 | 256 | US |
allocated | 1994-07-01 | 81cfd6b04a4e… |
| 204.29.238.0 – 204.29.238.255 | 256 | US |
allocated | 1994-07-01 | be273649bb78… |
| 204.29.239.0 – 204.29.239.255 | 256 | US |
allocated | 1994-07-01 | e220ed812a4c… |
| 204.29.240.0 – 204.29.241.255 | 512 | US |
allocated | 1994-07-01 | 5130dbeb190d… |
| 204.29.242.0 – 204.29.242.255 | 256 | US |
allocated | 1994-07-01 | 5130dbeb190d… |
| 204.29.243.0 – 204.29.243.255 | 256 | US |
allocated | 1994-07-01 | 2a3f36f46ea9… |
| 204.29.244.0 – 204.29.247.255 | 1,024 | US |
allocated | 1994-07-01 | 2a3f36f46ea9… |
| 204.29.248.0 – 204.29.248.255 | 256 | US |
allocated | 1994-07-01 | 2a3f36f46ea9… |
| 204.29.249.0 – 204.29.249.255 | 256 | US |
allocated | 1994-07-01 | d845b668aa73… |
| 204.29.250.0 – 204.29.250.255 | 256 | US |
allocated | 1994-07-01 | 2355fd06d866… |
| 204.68.8.0 – 204.68.15.255 | 2,048 | US |
allocated | 1994-07-01 | 0aec55d98fb7… |
| 204.187.40.0 – 204.187.47.255 | 2,048 | CA |
allocated | 1994-07-01 | 18399a42c39f… |
| 198.161.236.0 – 198.161.236.255 | 256 | CA |
allocated | 1994-06-30 | 81be68d3aca6… |
| 204.29.215.0 – 204.29.215.255 | 256 | US |
allocated | 1994-06-30 | 766c88725c04… |
| 204.29.216.0 – 204.29.216.255 | 256 | US |
allocated | 1994-06-30 | e044b58552da… |
| 204.29.217.0 – 204.29.217.255 | 256 | US |
allocated | 1994-06-30 | b80c8a8a6e4d… |
| 204.29.218.0 – 204.29.218.255 | 256 | US |
allocated | 1994-06-30 | 510e47967107… |
| 204.29.219.0 – 204.29.219.255 | 256 | US |
allocated | 1994-06-30 | 5c9ea55c7f17… |
| 204.29.220.0 – 204.29.223.255 | 1,024 | US |
allocated | 1994-06-30 | ec259578dfc2… |
| 204.29.224.0 – 204.29.224.255 | 256 | US |
allocated | 1994-06-30 | ec259578dfc2… |
| 204.29.225.0 – 204.29.225.255 | 256 | US |
allocated | 1994-06-30 | cda3513d6da0… |
| 204.29.234.0 – 204.29.234.255 | 256 | US |
allocated | 1994-06-30 | 8876f886e901… |
| 204.29.235.0 – 204.29.235.255 | 256 | US |
allocated | 1994-06-30 | 08f58429867f… |
| 204.29.236.0 – 204.29.236.255 | 256 | US |
allocated | 1994-06-30 | 92814a387d2f… |
| 204.29.237.0 – 204.29.237.255 | 256 | US |
allocated | 1994-06-30 | 49cd05ae9d26… |
| 204.84.0.0 – 204.85.255.255 | 131,072 | US |
allocated | 1994-06-30 | 3926e0967b7c… |
| 198.245.179.0 – 198.245.179.255 | 256 | US |
allocated | 1994-06-29 | 884dcd6f088e… |
| 198.245.180.0 – 198.245.180.255 | 256 | US |
allocated | 1994-06-29 | 884dcd6f088e… |