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 |
|---|---|---|---|---|---|
| 204.90.76.0 – 204.90.76.255 | 256 |  US |
allocated | 1995-02-08 | 1bf0b3393b73… |
| 204.90.77.0 – 204.90.77.255 | 256 | US |
allocated | 1995-02-08 | a9f21ae46094… |
| 204.90.78.0 – 204.90.78.255 | 256 | US |
allocated | 1995-02-08 | 9a83757a7942… |
| 204.90.79.0 – 204.90.79.255 | 256 | US |
allocated | 1995-02-08 | 732a4628e999… |
| 204.90.80.0 – 204.90.80.255 | 256 | US |
allocated | 1995-02-08 | bacd622b956a… |
| 204.90.81.0 – 204.90.81.255 | 256 | US |
allocated | 1995-02-08 | e0c2ee196016… |
| 204.90.82.0 – 204.90.82.255 | 256 | US |
allocated | 1995-02-08 | 9360302f58e3… |
| 204.90.83.0 – 204.90.83.255 | 256 | US |
allocated | 1995-02-08 | 549bdff08db7… |
| 204.90.85.0 – 204.90.85.255 | 256 | US |
allocated | 1995-02-08 | 2dcbdf93c5d1… |
| 204.90.86.0 – 204.90.86.255 | 256 | US |
allocated | 1995-02-08 | 0e8babb93364… |
| 204.90.89.0 – 204.90.89.255 | 256 | US |
allocated | 1995-02-08 | e912967aac08… |
| 204.90.90.0 – 204.90.90.255 | 256 | US |
allocated | 1995-02-08 | cc59c6039ffb… |
| 204.90.92.0 – 204.90.92.255 | 256 | US |
allocated | 1995-02-08 | d9eeeb1e3d23… |
| 204.90.93.0 – 204.90.93.255 | 256 | US |
allocated | 1995-02-08 | e43f12c6ea05… |
| 204.90.94.0 – 204.90.94.255 | 256 | US |
allocated | 1995-02-08 | fa52d7f85fdc… |
| 204.90.95.0 – 204.90.95.255 | 256 | US |
allocated | 1995-02-08 | 017920fb782c… |
| 204.90.96.0 – 204.90.96.255 | 256 | US |
allocated | 1995-02-08 | a16cb51817fe… |
| 204.90.97.0 – 204.90.97.255 | 256 | US |
allocated | 1995-02-08 | 41c87ef28d03… |
| 204.90.99.0 – 204.90.99.255 | 256 | US |
allocated | 1995-02-08 | 90068f56251a… |
| 204.90.100.0 – 204.90.100.255 | 256 | US |
allocated | 1995-02-08 | 1b7e121086c3… |
| 204.90.101.0 – 204.90.101.255 | 256 | US |
allocated | 1995-02-08 | c75ece5c2c5c… |
| 204.90.102.0 – 204.90.102.255 | 256 | US |
allocated | 1995-02-08 | 61d7f87bc87e… |
| 204.90.103.0 – 204.90.103.255 | 256 | US |
allocated | 1995-02-08 | 7427d76727e8… |
| 204.90.105.0 – 204.90.105.255 | 256 | US |
allocated | 1995-02-08 | aba043ac165f… |
| 204.90.107.0 – 204.90.107.255 | 256 | US |
allocated | 1995-02-08 | f996e77e8a0f… |
| 204.126.176.0 – 204.126.177.255 | 512 | US |
allocated | 1995-02-08 | a06ad92c4ade… |
| 204.126.178.0 – 204.126.179.255 | 512 | US |
allocated | 1995-02-08 | 5cdd1532380c… |
| 204.160.0.0 – 204.163.255.255 | 262,144 | US |
allocated | 1995-02-08 | e5e3b9c13678… |
| 131.119.0.0 – 131.119.255.255 | 65,536 | US |
allocated | 1995-02-07 | e5e3b9c13678… |
| 204.44.208.0 – 204.44.223.255 | 4,096 | US |
allocated | 1995-02-07 | 95f8f057ce9f… |
| 204.58.180.0 – 204.58.183.255 | 1,024 | US |
allocated | 1995-02-07 | afea0b3f41f5… |
| 204.80.204.0 – 204.80.204.255 | 256 | US |
allocated | 1995-02-07 | dfbeaa6c0680… |
| 204.80.205.0 – 204.80.205.255 | 256 | US |
allocated | 1995-02-07 | 94c6a0e49929… |
| 204.80.206.0 – 204.80.206.255 | 256 | US |
allocated | 1995-02-07 | a7a999975ced… |
| 204.80.207.0 – 204.80.207.255 | 256 | US |
allocated | 1995-02-07 | 897b66319e6a… |
| 204.80.208.0 – 204.80.208.255 | 256 | US |
allocated | 1995-02-07 | f054ca7a79b8… |
| 204.80.209.0 – 204.80.209.255 | 256 | US |
allocated | 1995-02-07 | 494d6f9835b1… |
| 204.80.210.0 – 204.80.210.255 | 256 | US |
allocated | 1995-02-07 | 95f8f057ce9f… |
| 204.80.212.0 – 204.80.212.255 | 256 | US |
allocated | 1995-02-07 | db93de86f9b1… |
| 204.80.213.0 – 204.80.213.255 | 256 | US |
allocated | 1995-02-07 | df91a8a8f926… |
| 204.80.214.0 – 204.80.214.255 | 256 | US |
allocated | 1995-02-07 | 92d80aae08f1… |
| 204.80.215.0 – 204.80.215.255 | 256 | US |
allocated | 1995-02-07 | 655265e620da… |
| 204.80.216.0 – 204.80.216.255 | 256 | US |
allocated | 1995-02-07 | dc4dab5d216e… |
| 204.80.217.0 – 204.80.217.255 | 256 | US |
allocated | 1995-02-07 | 56dc6b034446… |
| 204.80.218.0 – 204.80.218.255 | 256 | US |
allocated | 1995-02-07 | 4b4746618e8a… |
| 204.80.219.0 – 204.80.219.255 | 256 | US |
allocated | 1995-02-07 | 5d6a4faf54d3… |
| 204.80.220.0 – 204.80.220.255 | 256 | US |
allocated | 1995-02-07 | f535e9597a08… |
| 204.80.221.0 – 204.80.221.255 | 256 | US |
allocated | 1995-02-07 | a562deac856d… |
| 204.80.222.0 – 204.80.222.255 | 256 | US |
allocated | 1995-02-07 | c6611c8767b9… |
| 204.80.223.0 – 204.80.223.255 | 256 | US |
allocated | 1995-02-07 | e28c09c97db9… |
| 204.80.225.0 – 204.80.225.255 | 256 | US |
allocated | 1995-02-07 | 5b7ff23dac0b… |
| 204.80.227.0 – 204.80.227.255 | 256 | US |
allocated | 1995-02-07 | dd1bdf6f6de9… |
| 204.209.254.0 – 204.209.254.255 | 256 |  CA |
allocated | 1995-02-07 | e51da06e8faf… |
| 204.106.64.0 – 204.106.127.255 | 16,384 | US |
allocated | 1995-02-06 | ea58a6be6f45… |
| 204.128.184.0 – 204.128.184.255 | 256 | US |
allocated | 1995-02-06 | 7dfdcb863fcc… |
| 204.128.185.0 – 204.128.185.255 | 256 | US |
allocated | 1995-02-06 | 2bebfb64926d… |
| 204.128.186.0 – 204.128.186.255 | 256 | US |
allocated | 1995-02-06 | 61cc3c035afb… |
| 204.128.188.0 – 204.128.188.255 | 256 | US |
allocated | 1995-02-06 | be87a6f57401… |
| 204.128.189.0 – 204.128.189.255 | 256 | US |
allocated | 1995-02-06 | 45f48a2b3043… |
| 204.128.190.0 – 204.128.190.255 | 256 | US |
allocated | 1995-02-06 | f90be79b4b6f… |
| 204.128.191.0 – 204.128.191.255 | 256 | US |
allocated | 1995-02-06 | 4ac31aa50267… |
| 204.128.192.0 – 204.128.192.255 | 256 | US |
allocated | 1995-02-06 | 6a2bec1ff1c3… |
| 204.128.193.0 – 204.128.193.255 | 256 | US |
allocated | 1995-02-06 | 1e292f6e28cf… |
| 204.194.248.0 – 204.194.255.255 | 2,048 | US |
allocated | 1995-02-06 | df6d6034134c… |
| 204.235.144.0 – 204.235.159.255 | 4,096 | US |
allocated | 1995-02-03 | 52ad5b039d2f… |
| 204.235.160.0 – 204.235.161.255 | 512 | US |
allocated | 1995-02-03 | c806dc0282a4… |
| 204.235.162.0 – 204.235.163.255 | 512 | US |
allocated | 1995-02-03 | 52ad5b039d2f… |
| 204.235.164.0 – 204.235.167.255 | 1,024 | US |
allocated | 1995-02-03 | 52ad5b039d2f… |
| 204.235.168.0 – 204.235.169.255 | 512 | US |
allocated | 1995-02-03 | 87f8461fd53b… |
| 204.235.170.0 – 204.235.171.255 | 512 | US |
allocated | 1995-02-03 | 32e081a21400… |
| 204.235.172.0 – 204.235.173.255 | 512 | US |
allocated | 1995-02-03 | 162d8e50912f… |
| 204.235.174.0 – 204.235.175.255 | 512 | US |
allocated | 1995-02-03 | 52ad5b039d2f… |
| 204.245.0.0 – 204.245.63.255 | 16,384 | US |
allocated | 1995-02-03 | e5e3b9c13678… |
| 204.245.64.0 – 204.245.127.255 | 16,384 | US |
allocated | 1995-02-03 | cdb7d42057bd… |
| 205.128.0.0 – 205.131.255.255 | 262,144 | US |
allocated | 1995-02-03 | e5e3b9c13678… |
| 204.78.64.0 – 204.78.127.255 | 16,384 | US |
allocated | 1995-02-02 | 2623748f448d… |
| 204.128.181.0 – 204.128.181.255 | 256 | US |
allocated | 1995-02-02 | 9dd931ef979b… |
| 204.128.183.0 – 204.128.183.255 | 256 | US |
allocated | 1995-02-02 | b752e4a1339d… |
| 204.152.106.0 – 204.152.107.255 | 512 | US |
allocated | 1995-02-02 | fe3f59b29b6c… |
| 204.152.108.0 – 204.152.109.255 | 512 | US |
allocated | 1995-02-02 | 2d90cbf4f78e… |
| 204.194.240.0 – 204.194.247.255 | 2,048 | US |
allocated | 1995-02-02 | 54d8c417dfb0… |
| 204.235.112.0 – 204.235.119.255 | 2,048 | US |
allocated | 1995-02-02 | d2fc8fbc818f… |
| 204.235.120.0 – 204.235.121.255 | 512 | US |
allocated | 1995-02-02 | d2fc8fbc818f… |
| 204.235.128.0 – 204.235.135.255 | 2,048 | US |
allocated | 1995-02-02 | 0418d3fd070a… |
| 204.235.136.0 – 204.235.139.255 | 1,024 | US |
allocated | 1995-02-02 | 0418d3fd070a… |
| 204.235.140.0 – 204.235.141.255 | 512 | US |
allocated | 1995-02-02 | 0418d3fd070a… |
| 205.132.4.0 – 205.132.4.255 | 256 | US |
allocated | 1995-02-02 | 4c758a54ea7c… |
| 205.132.5.0 – 205.132.5.255 | 256 | US |
allocated | 1995-02-02 | 41d606401cb6… |
| 205.132.6.0 – 205.132.7.255 | 512 | US |
allocated | 1995-02-02 | 4c758a54ea7c… |
| 205.153.220.0 – 205.153.223.255 | 1,024 | US |
allocated | 1995-02-02 | 4886a79e4b71… |
| 171.128.0.0 – 171.191.255.255 | 4,194,304 | US |
allocated | 1995-02-01 | bef0bf61cb6f… |
| 171.192.0.0 – 171.199.255.255 | 524,288 | US |
allocated | 1995-02-01 | bef0bf61cb6f… |
| 171.200.0.0 – 171.203.255.255 | 262,144 | US |
allocated | 1995-02-01 | bef0bf61cb6f… |
| 171.204.0.0 – 171.205.255.255 | 131,072 | US |
allocated | 1995-02-01 | bef0bf61cb6f… |
| 171.206.0.0 – 171.206.255.255 | 65,536 | US |
allocated | 1995-02-01 | bef0bf61cb6f… |
| 199.253.184.0 – 199.253.191.255 | 2,048 | US |
allocated | 1995-02-01 | a31a30520395… |
| 204.77.147.0 – 204.77.147.255 | 256 | US |
allocated | 1995-02-01 | 0b03fd28c3d9… |
| 204.87.216.0 – 204.87.216.255 | 256 | US |
allocated | 1995-02-01 | e422a7725959… |
| 204.87.217.0 – 204.87.217.255 | 256 | US |
allocated | 1995-02-01 | 68f08f077a27… |
| 204.87.218.0 – 204.87.218.255 | 256 | US |
allocated | 1995-02-01 | c7aacf56829d… |