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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 205.211.120.0 – 205.211.123.255 | 1,024 |  CA |
allocated | 1995-04-08 | 0b1e3de71d97… |
| 205.211.124.0 – 205.211.124.255 | 256 | CA |
allocated | 1995-04-08 | 0b1e3de71d97… |
| 204.126.240.0 – 204.126.241.255 | 512 |  US |
allocated | 1995-04-07 | fcd35ba11f37… |
| 205.144.144.0 – 205.144.159.255 | 4,096 | US |
allocated | 1995-04-07 | 92fb9d2f0a78… |
| 205.166.159.0 – 205.166.159.255 | 256 | US |
allocated | 1995-04-07 | 0b2d5a1aaf29… |
| 205.166.160.0 – 205.166.160.255 | 256 | US |
allocated | 1995-04-07 | 3d5b552f6ab5… |
| 205.203.0.0 – 205.203.31.255 | 8,192 | US |
allocated | 1995-04-07 | a51b272ce962… |
| 205.203.32.0 – 205.203.63.255 | 8,192 | US |
allocated | 1995-04-07 | 9acf4e89ad22… |
| 205.153.36.0 – 205.153.39.255 | 1,024 | US |
allocated | 1995-04-06 | 8c1a521d101e… |
| 205.153.40.0 – 205.153.43.255 | 1,024 | US |
allocated | 1995-04-06 | b1160f99dfe4… |
| 205.159.102.0 – 205.159.102.255 | 256 | US |
allocated | 1995-04-06 | 17ccc4bdc3bb… |
| 205.174.208.0 – 205.174.223.255 | 4,096 | US |
allocated | 1995-04-06 | b66caab6275c… |
| 198.137.159.0 – 198.137.159.255 | 256 | US |
allocated | 1995-04-05 | 8dbc4fd1ea54… |
| 204.126.238.0 – 204.126.239.255 | 512 | US |
allocated | 1995-04-05 | 1a3cf7bfb644… |
| 205.148.128.0 – 205.148.191.255 | 16,384 | US |
allocated | 1995-04-05 | 492bb2d2f139… |
| 205.166.148.0 – 205.166.148.255 | 256 | US |
allocated | 1995-04-05 | 62f728a96421… |
| 205.166.149.0 – 205.166.149.255 | 256 | US |
allocated | 1995-04-05 | 98f320b39bca… |
| 205.166.150.0 – 205.166.150.255 | 256 | US |
allocated | 1995-04-05 | 37ef883d7af4… |
| 205.166.151.0 – 205.166.151.255 | 256 | US |
allocated | 1995-04-05 | eca4d50d99e1… |
| 205.166.152.0 – 205.166.152.255 | 256 | US |
allocated | 1995-04-05 | b4063878a661… |
| 205.166.153.0 – 205.166.153.255 | 256 | US |
allocated | 1995-04-05 | 1043ffe38563… |
| 205.166.154.0 – 205.166.154.255 | 256 | US |
allocated | 1995-04-05 | 009e31a2361a… |
| 205.166.155.0 – 205.166.155.255 | 256 | US |
allocated | 1995-04-05 | c8015d29e633… |
| 205.166.156.0 – 205.166.156.255 | 256 | US |
allocated | 1995-04-05 | 7f9912d0ecbf… |
| 205.172.108.0 – 205.172.111.255 | 1,024 | US |
allocated | 1995-04-05 | 8c2ba7a294ab… |
| 205.173.128.0 – 205.173.135.255 | 2,048 | US |
allocated | 1995-04-05 | 06e6c6671a5b… |
| 205.173.136.0 – 205.173.143.255 | 2,048 | US |
allocated | 1995-04-05 | e622e7c467f4… |
| 205.174.176.0 – 205.174.191.255 | 4,096 | US |
allocated | 1995-04-05 | f255854cbb3c… |
| 205.174.192.0 – 205.174.207.255 | 4,096 | US |
allocated | 1995-04-05 | 32edcf0e3e03… |
| 205.144.128.0 – 205.144.143.255 | 4,096 | US |
allocated | 1995-04-04 | 66581a0e7563… |
| 205.159.100.0 – 205.159.100.255 | 256 | US |
allocated | 1995-04-04 | e3978ed4f095… |
| 205.159.101.0 – 205.159.101.255 | 256 | US |
allocated | 1995-04-04 | 497dc3050462… |
| 205.166.139.0 – 205.166.139.255 | 256 | US |
allocated | 1995-04-04 | 0c5fb73299a5… |
| 205.166.140.0 – 205.166.140.255 | 256 | US |
allocated | 1995-04-04 | e36f38ed6d36… |
| 205.166.141.0 – 205.166.141.255 | 256 | US |
allocated | 1995-04-04 | 49c439751ca7… |
| 205.166.142.0 – 205.166.142.255 | 256 | US |
allocated | 1995-04-04 | 3ee9268bb03e… |
| 205.166.143.0 – 205.166.143.255 | 256 | US |
allocated | 1995-04-04 | 397950b72be6… |
| 205.166.144.0 – 205.166.144.255 | 256 | US |
allocated | 1995-04-04 | f980c2edf78b… |
| 205.166.146.0 – 205.166.146.255 | 256 | US |
allocated | 1995-04-04 | ac09a7130d95… |
| 205.166.147.0 – 205.166.147.255 | 256 | US |
allocated | 1995-04-04 | 18d8b7098e2f… |
| 205.166.127.0 – 205.166.127.255 | 256 | US |
allocated | 1995-04-03 | aabc6dd49caf… |
| 205.166.128.0 – 205.166.128.255 | 256 | US |
allocated | 1995-04-03 | 4ccfbd5e3033… |
| 205.166.129.0 – 205.166.129.255 | 256 | US |
allocated | 1995-04-03 | 232ab6f274db… |
| 205.166.130.0 – 205.166.130.255 | 256 | US |
allocated | 1995-04-03 | 5e19b033ba53… |
| 205.166.131.0 – 205.166.131.255 | 256 | US |
allocated | 1995-04-03 | e66da08bfa55… |
| 205.166.132.0 – 205.166.132.255 | 256 | US |
allocated | 1995-04-03 | ea8c8c8eeaf0… |
| 205.166.133.0 – 205.166.133.255 | 256 | US |
allocated | 1995-04-03 | f047b5010f6a… |
| 205.166.134.0 – 205.166.134.255 | 256 | US |
allocated | 1995-04-03 | 2b31b95924f0… |
| 205.166.135.0 – 205.166.135.255 | 256 | US |
allocated | 1995-04-03 | c8c5f792cd1a… |
| 205.166.136.0 – 205.166.136.255 | 256 | US |
allocated | 1995-04-03 | 2773f147c757… |
| 205.166.137.0 – 205.166.137.255 | 256 | US |
allocated | 1995-04-03 | 73e3314f4bcf… |
| 205.166.138.0 – 205.166.138.255 | 256 | US |
allocated | 1995-04-03 | f6948d0beb80… |
| 205.167.30.0 – 205.167.31.255 | 512 | US |
allocated | 1995-04-03 | c031e10cfb0d… |
| 205.173.120.0 – 205.173.123.255 | 1,024 | US |
allocated | 1995-04-03 | 57bc2ed6f0e8… |
| 205.173.124.0 – 205.173.124.255 | 256 | US |
allocated | 1995-04-03 | 57bc2ed6f0e8… |
| 205.175.64.0 – 205.175.95.255 | 8,192 | US |
allocated | 1995-04-03 | 7d826a992a17… |
| 149.58.0.0 – 149.58.255.255 | 65,536 | US |
allocated | 1995-03-31 | 390853dfff13… |
| 196.1.142.0 – 196.1.142.255 | 256 | US |
allocated | 1995-03-31 | 2a8792c1f2fd… |
| 200.16.88.0 – 200.16.88.255 | 256 | US |
allocated | 1995-03-31 | 097c51f7956a… |
| 205.134.96.0 – 205.134.127.255 | 8,192 | US |
allocated | 1995-03-31 | 0ab7037837ff… |
| 205.148.64.0 – 205.148.127.255 | 16,384 | US |
allocated | 1995-03-31 | 04370710a0b0… |
| 205.166.120.0 – 205.166.120.255 | 256 | US |
allocated | 1995-03-31 | ef789a13bc96… |
| 205.166.121.0 – 205.166.121.255 | 256 | US |
allocated | 1995-03-31 | 6df10622ed50… |
| 205.166.122.0 – 205.166.122.255 | 256 | US |
allocated | 1995-03-31 | a02d2066fcf5… |
| 205.166.124.0 – 205.166.124.255 | 256 | US |
allocated | 1995-03-31 | 066c8bed87a4… |
| 205.166.125.0 – 205.166.125.255 | 256 | US |
allocated | 1995-03-31 | ac9dc8c4dedc… |
| 205.166.126.0 – 205.166.126.255 | 256 | US |
allocated | 1995-03-31 | acab16921a70… |
| 205.167.28.0 – 205.167.29.255 | 512 | US |
allocated | 1995-03-31 | dccf8319a9ec… |
| 205.172.60.0 – 205.172.63.255 | 1,024 | US |
allocated | 1995-03-31 | dfed1e9a6c7e… |
| 205.172.64.0 – 205.172.67.255 | 1,024 | US |
allocated | 1995-03-31 | e681ccb67f56… |
| 205.172.72.0 – 205.172.79.255 | 2,048 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.80.0 – 205.172.95.255 | 4,096 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.96.0 – 205.172.103.255 | 2,048 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.104.0 – 205.172.107.255 | 1,024 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.173.112.0 – 205.173.119.255 | 2,048 | US |
allocated | 1995-03-31 | 36029c89428b… |
| 205.200.0.0 – 205.200.255.255 | 65,536 | CA |
allocated | 1995-03-31 | 7de51f8320f6… |
| 205.202.0.0 – 205.202.255.255 | 65,536 | US |
allocated | 1995-03-31 | a53917198362… |
| 169.203.0.0 – 169.203.255.255 | 65,536 | US |
allocated | 1995-03-30 | 75f083f5f031… |
| 170.219.0.0 – 170.219.255.255 | 65,536 | US |
allocated | 1995-03-30 | c7231a206d1a… |
| 199.233.168.0 – 199.233.168.255 | 256 | US |
allocated | 1995-03-30 | 4f8ae1950c7b… |
| 205.144.112.0 – 205.144.127.255 | 4,096 | US |
allocated | 1995-03-30 | c397d53815fc… |
| 205.145.224.0 – 205.145.255.255 | 8,192 | US |
allocated | 1995-03-30 | c7231a206d1a… |
| 205.166.112.0 – 205.166.112.255 | 256 | US |
allocated | 1995-03-30 | 370df5de3c6f… |
| 205.166.113.0 – 205.166.113.255 | 256 | US |
allocated | 1995-03-30 | 7c1a4dfa714d… |
| 205.166.114.0 – 205.166.114.255 | 256 | US |
allocated | 1995-03-30 | 24808c081279… |
| 205.166.115.0 – 205.166.115.255 | 256 | US |
allocated | 1995-03-30 | 8e184b636290… |
| 205.166.117.0 – 205.166.117.255 | 256 | US |
allocated | 1995-03-30 | 225a225b817f… |
| 205.166.118.0 – 205.166.118.255 | 256 | US |
allocated | 1995-03-30 | cd56db12f423… |
| 205.167.22.0 – 205.167.23.255 | 512 | US |
allocated | 1995-03-30 | 12faeafe8291… |
| 205.167.24.0 – 205.167.25.255 | 512 | US |
allocated | 1995-03-30 | 2fc72c3bfb52… |
| 205.172.40.0 – 205.172.41.255 | 512 | US |
allocated | 1995-03-30 | 7de6aac4b6fb… |
| 205.172.42.0 – 205.172.42.255 | 256 | US |
allocated | 1995-03-30 | 7de6aac4b6fb… |
| 205.172.44.0 – 205.172.47.255 | 1,024 | US |
allocated | 1995-03-30 | 54894123e5fd… |
| 205.172.48.0 – 205.172.51.255 | 1,024 | US |
allocated | 1995-03-30 | 46020f552cd7… |
| 205.172.52.0 – 205.172.55.255 | 1,024 | US |
allocated | 1995-03-30 | 8823525cb82a… |
| 205.173.104.0 – 205.173.111.255 | 2,048 | US |
allocated | 1995-03-30 | de49ac6d64b8… |
| 205.174.128.0 – 205.174.143.255 | 4,096 | US |
allocated | 1995-03-30 | 8823525cb82a… |
| 205.198.0.0 – 205.199.255.255 | 131,072 | US |
allocated | 1995-03-30 | 37fe01d6d027… |
| 205.148.0.0 – 205.148.63.255 | 16,384 | US |
allocated | 1995-03-29 | 350fe0a40f2f… |
| 205.166.94.0 – 205.166.94.255 | 256 | US |
allocated | 1995-03-29 | aca517fa7342… |