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 |
|---|---|---|---|---|---|
| 199.185.255.0 – 199.185.255.255 | 256 |  CA |
allocated | 1995-05-22 | 37324389b052… |
| 204.238.158.0 – 204.238.158.255 | 256 |  US |
allocated | 1995-05-22 | 458c5b99fc89… |
| 204.238.160.0 – 204.238.160.255 | 256 | US |
allocated | 1995-05-22 | 3cc0284a3676… |
| 204.238.161.0 – 204.238.161.255 | 256 | US |
allocated | 1995-05-22 | 10256bdde5a6… |
| 204.238.162.0 – 204.238.162.255 | 256 | US |
allocated | 1995-05-22 | b6313c1b61da… |
| 204.238.163.0 – 204.238.163.255 | 256 | US |
allocated | 1995-05-22 | 9ed9cb467935… |
| 204.238.164.0 – 204.238.164.255 | 256 | US |
allocated | 1995-05-22 | 65bd197aba2c… |
| 204.238.165.0 – 204.238.165.255 | 256 | US |
allocated | 1995-05-22 | c14ddf88ebdd… |
| 204.238.166.0 – 204.238.166.255 | 256 | US |
allocated | 1995-05-22 | 4e9510e76817… |
| 204.238.167.0 – 204.238.167.255 | 256 | US |
allocated | 1995-05-22 | b9a79125d3ac… |
| 204.238.169.0 – 204.238.169.255 | 256 | US |
allocated | 1995-05-22 | 3fd7c1b2ff45… |
| 204.238.170.0 – 204.238.170.255 | 256 | US |
allocated | 1995-05-22 | af1b3005c53e… |
| 204.238.171.0 – 204.238.171.255 | 256 | US |
allocated | 1995-05-22 | 277dccedd17b… |
| 204.238.172.0 – 204.238.172.255 | 256 | US |
allocated | 1995-05-22 | bd5711258ab2… |
| 205.144.224.0 – 205.144.239.255 | 4,096 | US |
allocated | 1995-05-22 | 1578c49d4b55… |
| 205.189.208.0 – 205.189.209.255 | 512 | CA |
allocated | 1995-05-22 | 5cacbddd971b… |
| 204.77.141.0 – 204.77.141.255 | 256 | US |
allocated | 1995-05-19 | 22389f1c159d… |
| 204.77.142.0 – 204.77.142.255 | 256 | US |
allocated | 1995-05-19 | 22389f1c159d… |
| 204.238.157.0 – 204.238.157.255 | 256 | US |
allocated | 1995-05-19 | 0a5b07505d9a… |
| 205.143.152.0 – 205.143.159.255 | 2,048 | US |
allocated | 1995-05-19 | 6ce1b2f118bf… |
| 205.143.160.0 – 205.143.167.255 | 2,048 | US |
allocated | 1995-05-19 | 4433b1231e08… |
| 205.147.160.0 – 205.147.191.255 | 8,192 | US |
allocated | 1995-05-19 | 45fb1dc64650… |
| 205.153.84.0 – 205.153.87.255 | 1,024 | US |
allocated | 1995-05-19 | 1971bb12d595… |
| 205.153.88.0 – 205.153.91.255 | 1,024 | US |
allocated | 1995-05-19 | fd07a4461db4… |
| 205.153.92.0 – 205.153.95.255 | 1,024 | US |
allocated | 1995-05-19 | 01e3770de2e2… |
| 206.15.0.0 – 206.15.31.255 | 8,192 | US |
allocated | 1995-05-19 | e5e3b9c13678… |
| 206.20.0.0 – 206.20.255.255 | 65,536 | US |
allocated | 1995-05-19 | 278d3043dbec… |
| 206.21.0.0 – 206.21.255.255 | 65,536 | US |
allocated | 1995-05-19 | f4bb71b8cdaf… |
| 206.22.0.0 – 206.22.255.255 | 65,536 | US |
allocated | 1995-05-19 | c6c154e59512… |
| 192.189.74.0 – 192.189.74.255 | 256 | US |
allocated | 1995-05-18 | 50c35859e7f5… |
| 204.238.151.0 – 204.238.151.255 | 256 | US |
allocated | 1995-05-18 | a9b7f5fa5eac… |
| 204.238.153.0 – 204.238.153.255 | 256 | US |
allocated | 1995-05-18 | fd7be83bbdc9… |
| 204.238.154.0 – 204.238.154.255 | 256 | US |
allocated | 1995-05-18 | d561e162b124… |
| 204.238.155.0 – 204.238.155.255 | 256 | US |
allocated | 1995-05-18 | 7205b51839ec… |
| 204.238.156.0 – 204.238.156.255 | 256 | US |
allocated | 1995-05-18 | 70640af3fc25… |
| 205.144.192.0 – 205.144.207.255 | 4,096 | US |
allocated | 1995-05-18 | da4c532c313c… |
| 205.167.88.0 – 205.167.89.255 | 512 | US |
allocated | 1995-05-18 | 0e69fb8aade4… |
| 205.167.90.0 – 205.167.91.255 | 512 | US |
allocated | 1995-05-18 | b7759cd1ff61… |
| 205.254.224.0 – 205.254.255.255 | 8,192 | US |
allocated | 1995-05-18 | 86987f63c1be… |
| 204.238.146.0 – 204.238.146.255 | 256 | US |
allocated | 1995-05-17 | 96881b18e83c… |
| 204.238.147.0 – 204.238.147.255 | 256 | US |
allocated | 1995-05-17 | c2cb6ba1260e… |
| 204.238.148.0 – 204.238.148.255 | 256 | US |
allocated | 1995-05-17 | 49cb65341a6c… |
| 204.238.149.0 – 204.238.149.255 | 256 | US |
allocated | 1995-05-17 | 23bb6e997ace… |
| 204.238.150.0 – 204.238.150.255 | 256 | US |
allocated | 1995-05-17 | 58b49fe02c0f… |
| 205.167.86.0 – 205.167.87.255 | 512 | US |
allocated | 1995-05-17 | e860a0ce60bb… |
| 205.172.252.0 – 205.172.255.255 | 1,024 | US |
allocated | 1995-05-17 | fdedd7c5eef7… |
| 205.175.225.0 – 205.175.225.255 | 256 | US |
allocated | 1995-05-17 | ffd67fadfdd4… |
| 205.175.226.0 – 205.175.227.255 | 512 | US |
allocated | 1995-05-17 | ffd67fadfdd4… |
| 205.175.228.0 – 205.175.229.255 | 512 | US |
allocated | 1995-05-17 | ffd67fadfdd4… |
| 206.16.0.0 – 206.19.255.255 | 262,144 | US |
allocated | 1995-05-17 | 81e05477cc28… |
| 204.238.142.0 – 204.238.142.255 | 256 | US |
allocated | 1995-05-16 | 0194f18abbdb… |
| 204.238.144.0 – 204.238.144.255 | 256 | US |
allocated | 1995-05-16 | 4c779377c61c… |
| 204.238.145.0 – 204.238.145.255 | 256 | US |
allocated | 1995-05-16 | 0d35d3b85b9c… |
| 205.143.144.0 – 205.143.151.255 | 2,048 | US |
allocated | 1995-05-16 | 621b25d1f0bd… |
| 205.172.244.0 – 205.172.247.255 | 1,024 | US |
allocated | 1995-05-16 | 062970071a2f… |
| 205.172.248.0 – 205.172.251.255 | 1,024 | US |
allocated | 1995-05-16 | 65c68f8b3579… |
| 205.203.160.0 – 205.203.191.255 | 8,192 | US |
allocated | 1995-05-16 | 41d2695a7d2a… |
| 205.238.192.0 – 205.238.255.255 | 16,384 | US |
allocated | 1995-05-16 | e220ed812a4c… |
| 205.254.192.0 – 205.254.223.255 | 8,192 | US |
allocated | 1995-05-16 | 37fe01d6d027… |
| 199.233.187.0 – 199.233.187.255 | 256 | US |
allocated | 1995-05-15 | a888cee5eb27… |
| 199.233.188.0 – 199.233.188.255 | 256 | US |
allocated | 1995-05-15 | 9114e1d5c830… |
| 200.5.8.0 – 200.5.8.255 | 256 |  PR |
allocated | 1995-05-15 | 98247d04d924… |
| 204.225.248.0 – 204.225.248.255 | 256 | CA |
allocated | 1995-05-15 | 7351010f59ba… |
| 204.238.132.0 – 204.238.132.255 | 256 | US |
allocated | 1995-05-15 | debb9f180377… |
| 204.238.133.0 – 204.238.133.255 | 256 | US |
allocated | 1995-05-15 | 4e7e9505bbc7… |
| 204.238.134.0 – 204.238.134.255 | 256 | US |
allocated | 1995-05-15 | 1649247edc87… |
| 204.238.135.0 – 204.238.135.255 | 256 | US |
allocated | 1995-05-15 | cfe82e3ca602… |
| 204.238.136.0 – 204.238.136.255 | 256 | US |
allocated | 1995-05-15 | 6f6c2e2c8dc8… |
| 204.238.137.0 – 204.238.137.255 | 256 | US |
allocated | 1995-05-15 | 7979b6884f19… |
| 204.238.138.0 – 204.238.138.255 | 256 | US |
allocated | 1995-05-15 | 1bc7066d55ca… |
| 204.238.139.0 – 204.238.139.255 | 256 | US |
allocated | 1995-05-15 | c12982d6f84d… |
| 204.238.140.0 – 204.238.140.255 | 256 | US |
allocated | 1995-05-15 | 127bac9d1e0a… |
| 205.143.120.0 – 205.143.127.255 | 2,048 | US |
allocated | 1995-05-15 | 97d55cac9508… |
| 205.143.128.0 – 205.143.135.255 | 2,048 | US |
allocated | 1995-05-15 | c67adf598cd3… |
| 205.143.136.0 – 205.143.143.255 | 2,048 | US |
allocated | 1995-05-15 | a72c59d2c1fe… |
| 205.167.82.0 – 205.167.83.255 | 512 | US |
allocated | 1995-05-15 | 6b963441fd89… |
| 205.167.84.0 – 205.167.85.255 | 512 | US |
allocated | 1995-05-15 | b83a87fdbcaa… |
| 205.172.240.0 – 205.172.243.255 | 1,024 | US |
allocated | 1995-05-15 | 2b6f6a7f916b… |
| 206.13.0.0 – 206.13.127.255 | 32,768 | US |
allocated | 1995-05-15 | 81e05477cc28… |
| 206.13.128.0 – 206.13.255.255 | 32,768 | US |
allocated | 1995-05-15 | ea58a6be6f45… |
| 204.238.131.0 – 204.238.131.255 | 256 | US |
allocated | 1995-05-12 | 65e5c06774c4… |
| 205.254.160.0 – 205.254.191.255 | 8,192 | US |
allocated | 1995-05-12 | 37fe01d6d027… |
| 204.238.126.0 – 204.238.126.255 | 256 | US |
allocated | 1995-05-11 | 741a718b9dd0… |
| 204.238.127.0 – 204.238.127.255 | 256 | US |
allocated | 1995-05-11 | e9297f0f0b86… |
| 204.238.128.0 – 204.238.128.255 | 256 | US |
allocated | 1995-05-11 | 0aaf66da994f… |
| 204.238.129.0 – 204.238.129.255 | 256 | US |
allocated | 1995-05-11 | 45fe880b68a8… |
| 204.238.130.0 – 204.238.130.255 | 256 | US |
allocated | 1995-05-11 | 3bac885fd231… |
| 205.143.96.0 – 205.143.103.255 | 2,048 | US |
allocated | 1995-05-11 | 2c8b166870cf… |
| 205.143.104.0 – 205.143.111.255 | 2,048 | US |
allocated | 1995-05-11 | 3f28610ae800… |
| 205.143.112.0 – 205.143.119.255 | 2,048 | US |
allocated | 1995-05-11 | 5ff8bbfe998b… |
| 205.167.80.0 – 205.167.81.255 | 512 | US |
allocated | 1995-05-11 | 8b131510d0d2… |
| 205.175.160.0 – 205.175.191.255 | 8,192 | US |
allocated | 1995-05-11 | de81ea63fa52… |
| 205.209.4.0 – 205.209.4.255 | 256 | CA |
allocated | 1995-05-11 | bd0db1ea8107… |
| 205.209.5.0 – 205.209.5.255 | 256 | CA |
allocated | 1995-05-11 | f3a014985c03… |
| 205.209.6.0 – 205.209.6.255 | 256 | CA |
allocated | 1995-05-11 | f3a014985c03… |
| 196.3.104.0 – 196.3.104.255 | 256 |  JM |
allocated | 1995-05-10 | dd24c2747bcf… |
| 204.238.121.0 – 204.238.121.255 | 256 | US |
allocated | 1995-05-10 | 05d01490d49a… |
| 204.238.122.0 – 204.238.122.255 | 256 | US |
allocated | 1995-05-10 | 188969165b21… |
| 204.238.123.0 – 204.238.123.255 | 256 | US |
allocated | 1995-05-10 | 55d3274e336a… |
| 204.238.124.0 – 204.238.124.255 | 256 | US |
allocated | 1995-05-10 | 44c69bf55cdb… |