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 |
|---|---|---|---|---|---|
| 204.49.0.0 – 204.49.255.255 | 65,536 |  US |
allocated | 1994-06-10 | cdb7d42057bd… |
| 198.185.64.0 – 198.185.127.255 | 16,384 | US |
allocated | 1994-06-09 | f8d65f857817… |
| 198.212.181.0 – 198.212.181.255 | 256 | US |
allocated | 1994-06-09 | 161fb0fc33bc… |
| 198.212.182.0 – 198.212.182.255 | 256 | US |
allocated | 1994-06-09 | fc0a0c0ed22c… |
| 198.212.183.0 – 198.212.183.255 | 256 | US |
allocated | 1994-06-09 | 75225b1baa83… |
| 198.212.184.0 – 198.212.187.255 | 1,024 | US |
allocated | 1994-06-09 | ffd67fadfdd4… |
| 198.212.188.0 – 198.212.188.255 | 256 | US |
allocated | 1994-06-09 | ffd67fadfdd4… |
| 198.212.189.0 – 198.212.189.255 | 256 | US |
allocated | 1994-06-09 | 5e8eaadf4adc… |
| 198.212.190.0 – 198.212.190.255 | 256 | US |
allocated | 1994-06-09 | 5e8eaadf4adc… |
| 198.212.191.0 – 198.212.191.255 | 256 | US |
allocated | 1994-06-09 | 14a0e9505f79… |
| 199.60.213.0 – 199.60.213.255 | 256 |  CA |
allocated | 1994-06-09 | 3d8b507f1b48… |
| 199.60.214.0 – 199.60.214.255 | 256 | CA |
allocated | 1994-06-09 | 3d8b507f1b48… |
| 199.202.32.0 – 199.202.63.255 | 8,192 | US |
allocated | 1994-06-09 | 1592250ba841… |
| 204.17.141.0 – 204.17.141.255 | 256 | US |
allocated | 1994-06-09 | bb847a07262d… |
| 204.17.142.0 – 204.17.143.255 | 512 | US |
allocated | 1994-06-09 | bb847a07262d… |
| 204.17.145.0 – 204.17.145.255 | 256 | US |
allocated | 1994-06-09 | 1e9e4145ab60… |
| 204.17.148.0 – 204.17.148.255 | 256 | US |
allocated | 1994-06-09 | 312034bf54e1… |
| 204.17.149.0 – 204.17.149.255 | 256 | US |
allocated | 1994-06-09 | 43682b068d95… |
| 204.17.150.0 – 204.17.150.255 | 256 | US |
allocated | 1994-06-09 | e901f64c6617… |
| 204.17.151.0 – 204.17.151.255 | 256 | US |
allocated | 1994-06-09 | 78bbd3fb3e1e… |
| 198.163.176.0 – 198.163.177.255 | 512 | US |
allocated | 1994-06-08 | 73b7be9188dd… |
| 198.163.178.0 – 198.163.178.255 | 256 | US |
allocated | 1994-06-08 | 73b7be9188dd… |
| 198.212.172.0 – 198.212.175.255 | 1,024 | US |
allocated | 1994-06-08 | f4a1f0f309ad… |
| 198.212.176.0 – 198.212.176.255 | 256 | US |
allocated | 1994-06-08 | f4a1f0f309ad… |
| 198.212.177.0 – 198.212.177.255 | 256 | US |
allocated | 1994-06-08 | 07e23373d558… |
| 198.212.178.0 – 198.212.179.255 | 512 | US |
allocated | 1994-06-08 | 07e23373d558… |
| 198.212.180.0 – 198.212.180.255 | 256 | US |
allocated | 1994-06-08 | e811ed465464… |
| 199.219.0.0 – 199.219.255.255 | 65,536 | US |
allocated | 1994-06-08 | e220ed812a4c… |
| 199.220.0.0 – 199.221.255.255 | 131,072 | US |
allocated | 1994-06-08 | e220ed812a4c… |
| 199.222.0.0 – 199.222.255.255 | 65,536 | US |
allocated | 1994-06-08 | e220ed812a4c… |
| 199.249.246.0 – 199.249.246.255 | 256 | US |
allocated | 1994-06-08 | f98a330c1466… |
| 199.249.247.0 – 199.249.247.255 | 256 | US |
allocated | 1994-06-08 | 02cf6cb77838… |
| 199.249.248.0 – 199.249.248.255 | 256 | US |
allocated | 1994-06-08 | adcfd69c9abb… |
| 199.249.249.0 – 199.249.249.255 | 256 | US |
allocated | 1994-06-08 | 433ffe7cfd08… |
| 199.249.250.0 – 199.249.251.255 | 512 | US |
allocated | 1994-06-08 | 433ffe7cfd08… |
| 199.249.252.0 – 199.249.252.255 | 256 | US |
allocated | 1994-06-08 | 433ffe7cfd08… |
| 199.249.253.0 – 199.249.253.255 | 256 | US |
allocated | 1994-06-08 | 19324adb5b94… |
| 199.249.254.0 – 199.249.254.255 | 256 | US |
allocated | 1994-06-08 | 86b983e60585… |
| 204.17.128.0 – 204.17.129.255 | 512 | US |
allocated | 1994-06-08 | b99b9fd884eb… |
| 204.17.130.0 – 204.17.131.255 | 512 | US |
allocated | 1994-06-08 | d5d77506ba15… |
| 204.17.132.0 – 204.17.132.255 | 256 | US |
allocated | 1994-06-08 | 1e3df77c8ee0… |
| 204.17.134.0 – 204.17.135.255 | 512 | US |
allocated | 1994-06-08 | 0376d13a6ca6… |
| 204.17.136.0 – 204.17.137.255 | 512 | US |
allocated | 1994-06-08 | 0376d13a6ca6… |
| 204.17.138.0 – 204.17.138.255 | 256 | US |
allocated | 1994-06-08 | 5313ad763691… |
| 204.17.139.0 – 204.17.139.255 | 256 | US |
allocated | 1994-06-08 | 0a52bf09283c… |
| 204.17.140.0 – 204.17.140.255 | 256 | US |
allocated | 1994-06-08 | 0a52bf09283c… |
| 204.28.128.0 – 204.28.191.255 | 16,384 | US |
allocated | 1994-06-08 | 930b6abbb141… |
| 204.28.192.0 – 204.28.207.255 | 4,096 | US |
allocated | 1994-06-08 | 930b6abbb141… |
| 198.212.166.0 – 198.212.166.255 | 256 | US |
allocated | 1994-06-07 | bb323f4b0f92… |
| 198.212.167.0 – 198.212.167.255 | 256 | US |
allocated | 1994-06-07 | 4bafb6727854… |
| 198.212.168.0 – 198.212.168.255 | 256 | US |
allocated | 1994-06-07 | 95da942fe7fe… |
| 198.212.169.0 – 198.212.169.255 | 256 | US |
allocated | 1994-06-07 | 77de9c3d6177… |
| 198.212.170.0 – 198.212.170.255 | 256 | US |
allocated | 1994-06-07 | d4441f210fff… |
| 198.212.171.0 – 198.212.171.255 | 256 | US |
allocated | 1994-06-07 | 0d78c38963b2… |
| 199.212.23.0 – 199.212.23.255 | 256 | CA |
allocated | 1994-06-07 | ec0ab9d11922… |
| 199.249.237.0 – 199.249.237.255 | 256 | US |
allocated | 1994-06-07 | ec7b11062e60… |
| 199.249.238.0 – 199.249.239.255 | 512 | US |
allocated | 1994-06-07 | ec7b11062e60… |
| 199.249.240.0 – 199.249.240.255 | 256 | US |
allocated | 1994-06-07 | ec7b11062e60… |
| 199.249.241.0 – 199.249.241.255 | 256 | US |
allocated | 1994-06-07 | beb42abf32f3… |
| 199.249.242.0 – 199.249.242.255 | 256 | US |
allocated | 1994-06-07 | 6e398a3550fb… |
| 199.249.243.0 – 199.249.243.255 | 256 | US |
allocated | 1994-06-07 | d9f808fb2255… |
| 199.249.244.0 – 199.249.245.255 | 512 | US |
allocated | 1994-06-07 | d9f808fb2255… |
| 204.57.8.0 – 204.57.15.255 | 2,048 | US |
allocated | 1994-06-07 | 35f4f0f10895… |
| 142.72.0.0 – 142.72.255.255 | 65,536 | CA |
allocated | 1994-06-06 | c8bae1572cdf… |
| 142.88.0.0 – 142.88.255.255 | 65,536 | US |
allocated | 1994-06-06 | 31caea8da158… |
| 198.235.63.0 – 198.235.63.255 | 256 | CA |
allocated | 1994-06-06 | 0bcdedc3525d… |
| 199.43.113.0 – 199.43.113.255 | 256 | CA |
allocated | 1994-06-06 | d9126823604f… |
| 199.84.148.0 – 199.84.149.255 | 512 | CA |
allocated | 1994-06-06 | 2765a81137cb… |
| 199.175.233.0 – 199.175.233.255 | 256 | CA |
allocated | 1994-06-06 | 86f43b33be5e… |
| 199.249.226.0 – 199.249.226.255 | 256 | US |
allocated | 1994-06-06 | e7b53e5c2a92… |
| 199.249.227.0 – 199.249.227.255 | 256 | US |
allocated | 1994-06-06 | 9e196e651ae0… |
| 199.249.228.0 – 199.249.228.255 | 256 | US |
allocated | 1994-06-06 | 344b64cdcccc… |
| 199.249.229.0 – 199.249.229.255 | 256 | US |
allocated | 1994-06-06 | c3c1d1ce1ed0… |
| 198.161.221.0 – 198.161.221.255 | 256 | CA |
allocated | 1994-06-03 | a5f77c9cd23b… |
| 198.161.228.0 – 198.161.229.255 | 512 | CA |
allocated | 1994-06-03 | cd6422c216d1… |
| 198.212.162.0 – 198.212.163.255 | 512 | US |
allocated | 1994-06-03 | f4a1f0f309ad… |
| 198.212.164.0 – 198.212.165.255 | 512 | US |
allocated | 1994-06-03 | 1e8477e1f1a6… |
| 199.212.16.0 – 199.212.19.255 | 1,024 | CA |
allocated | 1994-06-03 | 84344661f626… |
| 199.212.20.0 – 199.212.21.255 | 512 | CA |
allocated | 1994-06-03 | 84344661f626… |
| 199.212.22.0 – 199.212.22.255 | 256 | CA |
allocated | 1994-06-03 | fb21e850ad49… |
| 199.246.110.0 – 199.246.111.255 | 512 | CA |
allocated | 1994-06-03 | 14f1f1440c00… |
| 199.246.112.0 – 199.246.112.255 | 256 | CA |
allocated | 1994-06-03 | d4f3255a163f… |
| 199.246.117.0 – 199.246.117.255 | 256 | CA |
allocated | 1994-06-03 | a2ce1ca8bd7d… |
| 199.249.218.0 – 199.249.219.255 | 512 | US |
allocated | 1994-06-03 | 8bbcbf12b1dd… |
| 199.249.220.0 – 199.249.221.255 | 512 | US |
allocated | 1994-06-03 | 8bbcbf12b1dd… |
| 199.249.222.0 – 199.249.222.255 | 256 | US |
allocated | 1994-06-03 | 8bbcbf12b1dd… |
| 199.249.224.0 – 199.249.224.255 | 256 | US |
allocated | 1994-06-03 | 85c99589d43e… |
| 199.249.225.0 – 199.249.225.255 | 256 | US |
allocated | 1994-06-03 | 2977cdbade3d… |
| 198.212.154.0 – 198.212.154.255 | 256 | US |
allocated | 1994-06-02 | 7020abecea90… |
| 198.212.155.0 – 198.212.155.255 | 256 | US |
allocated | 1994-06-02 | a000696fb87a… |
| 198.212.156.0 – 198.212.156.255 | 256 | US |
allocated | 1994-06-02 | 80abbf7f9aea… |
| 198.212.157.0 – 198.212.157.255 | 256 | US |
allocated | 1994-06-02 | 9b36d56e6466… |
| 198.212.158.0 – 198.212.158.255 | 256 | US |
allocated | 1994-06-02 | 9b36d56e6466… |
| 198.212.159.0 – 198.212.159.255 | 256 | US |
allocated | 1994-06-02 | 62d6c61a102d… |
| 198.212.160.0 – 198.212.161.255 | 512 | US |
allocated | 1994-06-02 | 62d6c61a102d… |
| 199.164.155.0 – 199.164.155.255 | 256 | US |
allocated | 1994-06-02 | a5f5512f7d6f… |
| 199.245.32.0 – 199.245.47.255 | 4,096 | US |
allocated | 1994-06-02 | 32b2ca7b2f06… |
| 199.245.48.0 – 199.245.51.255 | 1,024 | US |
allocated | 1994-06-02 | 32b2ca7b2f06… |
| 199.249.191.0 – 199.249.191.255 | 256 | US |
allocated | 1994-06-02 | 3116fc27246b… |
| 199.249.193.0 – 199.249.193.255 | 256 | US |
allocated | 1994-06-02 | bdc7468426f8… |