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
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.233.121.0 – 199.233.121.255 | 256 |  US |
allocated | 1995-03-01 | 611f18e5e850… |
| 199.233.122.0 – 199.233.122.255 | 256 | US |
allocated | 1995-03-01 | 34608b2ab6ce… |
| 199.233.123.0 – 199.233.123.255 | 256 | US |
allocated | 1995-03-01 | d45f3c85db83… |
| 199.233.124.0 – 199.233.124.255 | 256 | US |
allocated | 1995-03-01 | 775cc26b12ab… |
| 204.87.239.0 – 204.87.239.255 | 256 | US |
allocated | 1995-03-01 | e0530a7bb922… |
| 204.87.240.0 – 204.87.240.255 | 256 | US |
allocated | 1995-03-01 | 498fa4e1f651… |
| 204.87.241.0 – 204.87.241.255 | 256 | US |
allocated | 1995-03-01 | 72f9092158dd… |
| 204.87.242.0 – 204.87.242.255 | 256 | US |
allocated | 1995-03-01 | f798b2bf09e5… |
| 204.126.194.0 – 204.126.195.255 | 512 | US |
allocated | 1995-03-01 | eca856308fdf… |
| 204.126.196.0 – 204.126.197.255 | 512 | US |
allocated | 1995-03-01 | 142bcbc3930d… |
| 204.152.126.0 – 204.152.127.255 | 512 | US |
allocated | 1995-03-01 | d3d4cb52db63… |
| 199.233.100.0 – 199.233.100.255 | 256 | US |
allocated | 1995-02-28 | 8f53cff3986c… |
| 199.233.102.0 – 199.233.102.255 | 256 | US |
allocated | 1995-02-28 | d9eeeb1e3d23… |
| 199.233.103.0 – 199.233.103.255 | 256 | US |
allocated | 1995-02-28 | d7124fe31c2a… |
| 199.233.104.0 – 199.233.104.255 | 256 | US |
allocated | 1995-02-28 | 5310893ec05e… |
| 199.233.106.0 – 199.233.106.255 | 256 | US |
allocated | 1995-02-28 | de57c56eb972… |
| 199.233.107.0 – 199.233.107.255 | 256 | US |
allocated | 1995-02-28 | a8959fdd62e9… |
| 199.233.108.0 – 199.233.108.255 | 256 | US |
allocated | 1995-02-28 | 9dca4a4eed94… |
| 199.233.109.0 – 199.233.109.255 | 256 | US |
allocated | 1995-02-28 | 57502bdffbed… |
| 199.233.111.0 – 199.233.111.255 | 256 | US |
allocated | 1995-02-28 | 816d96ffd098… |
| 199.233.115.0 – 199.233.115.255 | 256 | US |
allocated | 1995-02-28 | e5a5ba6e3523… |
| 199.233.116.0 – 199.233.116.255 | 256 | US |
allocated | 1995-02-28 | 0d19465986ce… |
| 199.233.117.0 – 199.233.117.255 | 256 | US |
allocated | 1995-02-28 | 657ec957503d… |
| 204.58.24.0 – 204.58.27.255 | 1,024 | US |
allocated | 1995-02-28 | 96fd592f5445… |
| 204.87.236.0 – 204.87.236.255 | 256 | US |
allocated | 1995-02-28 | b8984fc52f8d… |
| 204.87.238.0 – 204.87.238.255 | 256 | US |
allocated | 1995-02-28 | d38024e5ddee… |
| 204.126.186.0 – 204.126.187.255 | 512 | US |
allocated | 1995-02-28 | 01fea18fea46… |
| 204.126.188.0 – 204.126.191.255 | 1,024 | US |
allocated | 1995-02-28 | 01fea18fea46… |
| 204.126.192.0 – 204.126.193.255 | 512 | US |
allocated | 1995-02-28 | f876bac7c873… |
| 204.128.247.0 – 204.128.247.255 | 256 | US |
allocated | 1995-02-28 | 1d7c9ef41cb6… |
| 204.128.248.0 – 204.128.248.255 | 256 | US |
allocated | 1995-02-28 | a897b100b3cc… |
| 204.128.250.0 – 204.128.250.255 | 256 | US |
allocated | 1995-02-28 | cc1f277cf7a8… |
| 204.128.251.0 – 204.128.251.255 | 256 | US |
allocated | 1995-02-28 | 84f1db27b6bd… |
| 204.152.120.0 – 204.152.121.255 | 512 | US |
allocated | 1995-02-28 | be0717d03808… |
| 204.152.122.0 – 204.152.123.255 | 512 | US |
allocated | 1995-02-28 | 7ef83296887f… |
| 204.152.124.0 – 204.152.125.255 | 512 | US |
allocated | 1995-02-28 | fcc74f9cd9e7… |
| 205.141.192.0 – 205.141.223.255 | 8,192 | US |
allocated | 1995-02-28 | 161fb0fc33bc… |
| 205.141.224.0 – 205.141.231.255 | 2,048 | US |
allocated | 1995-02-28 | 161fb0fc33bc… |
| 205.142.32.0 – 205.142.35.255 | 1,024 | US |
allocated | 1995-02-28 | f51650c78ad9… |
| 205.149.64.0 – 205.149.95.255 | 8,192 | US |
allocated | 1995-02-28 | 9d1006828e53… |
| 205.150.0.0 – 205.150.255.255 | 65,536 | US |
allocated | 1995-02-28 | e220ed812a4c… |
| 205.151.1.0 – 205.151.1.255 | 256 |  CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.2.0 – 205.151.3.255 | 512 | CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.4.0 – 205.151.7.255 | 1,024 | CA |
allocated | 1995-02-28 | c4fb92110737… |
| 205.151.8.0 – 205.151.15.255 | 2,048 | CA |
allocated | 1995-02-28 | f4abed87d4e6… |
| 205.151.16.0 – 205.151.16.255 | 256 | CA |
allocated | 1995-02-28 | b95ec8000443… |
| 205.151.52.0 – 205.151.52.255 | 256 | CA |
allocated | 1995-02-28 | a1879372acda… |
| 205.151.53.0 – 205.151.53.255 | 256 | CA |
allocated | 1995-02-28 | 3577860651a2… |
| 205.151.54.0 – 205.151.54.255 | 256 | CA |
allocated | 1995-02-28 | a5e7ce7ebb14… |
| 205.151.56.0 – 205.151.56.255 | 256 | CA |
allocated | 1995-02-28 | 739053b97948… |
| 205.151.57.0 – 205.151.57.255 | 256 | CA |
allocated | 1995-02-28 | feb0f83763ff… |
| 205.151.58.0 – 205.151.58.255 | 256 | CA |
allocated | 1995-02-28 | 106615387aa9… |
| 205.151.60.0 – 205.151.60.255 | 256 | CA |
allocated | 1995-02-28 | 296992b636aa… |
| 205.151.61.0 – 205.151.61.255 | 256 | CA |
allocated | 1995-02-28 | df04ba7e5e16… |
| 205.151.62.0 – 205.151.63.255 | 512 | CA |
allocated | 1995-02-28 | df04ba7e5e16… |
| 205.151.64.0 – 205.151.67.255 | 1,024 | CA |
allocated | 1995-02-28 | df04ba7e5e16… |
| 205.151.68.0 – 205.151.69.255 | 512 | CA |
allocated | 1995-02-28 | df04ba7e5e16… |
| 205.151.70.0 – 205.151.71.255 | 512 | CA |
allocated | 1995-02-28 | a884fbdb7e6a… |
| 205.151.72.0 – 205.151.79.255 | 2,048 | CA |
allocated | 1995-02-28 | a884fbdb7e6a… |
| 205.151.80.0 – 205.151.80.255 | 256 | CA |
allocated | 1995-02-28 | 24d9cb5c2820… |
| 205.151.81.0 – 205.151.81.255 | 256 | CA |
allocated | 1995-02-28 | f69c4176a2e0… |
| 205.151.82.0 – 205.151.82.255 | 256 | CA |
allocated | 1995-02-28 | 7bf3b8ca2caf… |
| 205.151.83.0 – 205.151.83.255 | 256 | CA |
allocated | 1995-02-28 | e87daf69e89c… |
| 205.151.84.0 – 205.151.87.255 | 1,024 | CA |
allocated | 1995-02-28 | 84a0e1400484… |
| 205.151.88.0 – 205.151.95.255 | 2,048 | CA |
allocated | 1995-02-28 | ad1391d2d502… |
| 205.151.96.0 – 205.151.96.255 | 256 | CA |
allocated | 1995-02-28 | eb9a7c542071… |
| 205.151.97.0 – 205.151.97.255 | 256 | CA |
allocated | 1995-02-28 | e6b46a53e75d… |
| 205.151.98.0 – 205.151.99.255 | 512 | CA |
allocated | 1995-02-28 | 177293fff151… |
| 205.151.100.0 – 205.151.100.255 | 256 | CA |
allocated | 1995-02-28 | e0bfefb4e73e… |
| 205.151.101.0 – 205.151.101.255 | 256 | CA |
allocated | 1995-02-28 | db3a9e1b7df9… |
| 205.151.102.0 – 205.151.102.255 | 256 | CA |
allocated | 1995-02-28 | e7ca51d4f0ab… |
| 205.151.103.0 – 205.151.103.255 | 256 | CA |
allocated | 1995-02-28 | 307e442680fa… |
| 205.151.104.0 – 205.151.105.255 | 512 | CA |
allocated | 1995-02-28 | 70243d580b19… |
| 205.151.106.0 – 205.151.107.255 | 512 | CA |
allocated | 1995-02-28 | 048394237119… |
| 205.151.108.0 – 205.151.111.255 | 1,024 | CA |
allocated | 1995-02-28 | 048394237119… |
| 205.151.112.0 – 205.151.112.255 | 256 | CA |
allocated | 1995-02-28 | db689010431b… |
| 205.151.116.0 – 205.151.119.255 | 1,024 | CA |
allocated | 1995-02-28 | c25c4ce0c580… |
| 205.151.120.0 – 205.151.120.255 | 256 | CA |
allocated | 1995-02-28 | d92e67ca7f47… |
| 205.151.121.0 – 205.151.121.255 | 256 | CA |
allocated | 1995-02-28 | 2d92567c9432… |
| 205.151.122.0 – 205.151.123.255 | 512 | CA |
allocated | 1995-02-28 | d52fc0eabf78… |
| 205.151.124.0 – 205.151.124.255 | 256 | CA |
allocated | 1995-02-28 | 38515058b901… |
| 205.151.125.0 – 205.151.125.255 | 256 | CA |
allocated | 1995-02-28 | 99dc35e0ec32… |
| 205.151.126.0 – 205.151.127.255 | 512 | CA |
allocated | 1995-02-28 | a84c0b442105… |
| 205.151.128.0 – 205.151.159.255 | 8,192 | CA |
allocated | 1995-02-28 | 9fa3efa8d8a1… |
| 205.151.160.0 – 205.151.161.255 | 512 | CA |
allocated | 1995-02-28 | 63f9ed33cd89… |
| 205.151.162.0 – 205.151.163.255 | 512 | CA |
allocated | 1995-02-28 | d4f4c548df24… |
| 205.151.164.0 – 205.151.164.255 | 256 | CA |
allocated | 1995-02-28 | a3b77f1e6ed2… |
| 205.151.165.0 – 205.151.165.255 | 256 | CA |
allocated | 1995-02-28 | efe65cbaf336… |
| 205.151.166.0 – 205.151.167.255 | 512 | CA |
allocated | 1995-02-28 | 4142e1b3dc9c… |
| 205.151.169.0 – 205.151.169.255 | 256 | CA |
allocated | 1995-02-28 | 563393e55ec0… |
| 205.151.170.0 – 205.151.171.255 | 512 | CA |
allocated | 1995-02-28 | 563393e55ec0… |
| 205.151.172.0 – 205.151.175.255 | 1,024 | CA |
allocated | 1995-02-28 | 563393e55ec0… |
| 205.151.176.0 – 205.151.177.255 | 512 | CA |
allocated | 1995-02-28 | 563393e55ec0… |
| 205.151.178.0 – 205.151.178.255 | 256 | CA |
allocated | 1995-02-28 | 563393e55ec0… |
| 205.151.180.0 – 205.151.183.255 | 1,024 | CA |
allocated | 1995-02-28 | 20aaef6b5fe8… |
| 205.151.184.0 – 205.151.185.255 | 512 | CA |
allocated | 1995-02-28 | b78bf58faf7d… |
| 205.151.186.0 – 205.151.186.255 | 256 | CA |
allocated | 1995-02-28 | b07a429a2497… |
| 205.151.187.0 – 205.151.187.255 | 256 | CA |
allocated | 1995-02-28 | a22672667bf5… |
| 205.151.188.0 – 205.151.188.255 | 256 | CA |
allocated | 1995-02-28 | 4c1f8f31ace4… |
| 205.151.190.0 – 205.151.190.255 | 256 | CA |
allocated | 1995-02-28 | 86c450ef42ab… |