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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.80.160.0 – 204.80.160.255 | 256 |  US |
allocated | 1995-01-17 | 06510b51b417… |
| 204.128.175.0 – 204.128.175.255 | 256 | US |
allocated | 1995-01-17 | 0d49c6eefa41… |
| 204.128.176.0 – 204.128.176.255 | 256 | US |
allocated | 1995-01-17 | 22a8fea39bc2… |
| 204.128.177.0 – 204.128.177.255 | 256 | US |
allocated | 1995-01-17 | 3394ba71d298… |
| 204.128.178.0 – 204.128.178.255 | 256 | US |
allocated | 1995-01-17 | 8b3df0276899… |
| 204.128.179.0 – 204.128.179.255 | 256 | US |
allocated | 1995-01-17 | ac10f084e193… |
| 204.128.180.0 – 204.128.180.255 | 256 | US |
allocated | 1995-01-17 | a540a9cfb511… |
| 204.147.224.0 – 204.147.239.255 | 4,096 | US |
allocated | 1995-01-17 | a7f7463af3d3… |
| 204.147.240.0 – 204.147.255.255 | 4,096 | US |
allocated | 1995-01-17 | d5cc370d4b9d… |
| 204.153.200.0 – 204.153.203.255 | 1,024 | US |
allocated | 1995-01-17 | 8c9485eacaf3… |
| 204.153.204.0 – 204.153.205.255 | 512 | US |
allocated | 1995-01-17 | 56ec584742ed… |
| 204.153.208.0 – 204.153.211.255 | 1,024 | US |
allocated | 1995-01-17 | 841dc9bcb636… |
| 204.227.64.0 – 204.227.95.255 | 8,192 | US |
allocated | 1995-01-17 | 419fe4973128… |
| 204.231.0.0 – 204.231.127.255 | 32,768 | US |
allocated | 1995-01-17 | 551b723eafd6… |
| 204.231.128.0 – 204.231.191.255 | 16,384 | US |
allocated | 1995-01-17 | 551b723eafd6… |
| 204.232.0.0 – 204.232.63.255 | 16,384 | US |
allocated | 1995-01-17 | 0af64753ff07… |
| 199.253.96.0 – 199.253.111.255 | 4,096 | US |
allocated | 1995-01-16 | 22bdd5a890bc… |
| 199.253.112.0 – 199.253.127.255 | 4,096 | US |
allocated | 1995-01-16 | 9b46ccce17aa… |
| 204.58.140.0 – 204.58.143.255 | 1,024 | US |
allocated | 1995-01-16 | 4b26266c3cc8… |
| 204.126.148.0 – 204.126.149.255 | 512 | US |
allocated | 1995-01-16 | 63ff9f53ca14… |
| 204.58.128.0 – 204.58.129.255 | 512 | US |
allocated | 1995-01-15 | 52fdad44066a… |
| 204.58.130.0 – 204.58.130.255 | 256 | US |
allocated | 1995-01-15 | 52fdad44066a… |
| 204.58.132.0 – 204.58.133.255 | 512 | US |
allocated | 1995-01-15 | 78426826a35a… |
| 204.58.134.0 – 204.58.134.255 | 256 | US |
allocated | 1995-01-15 | 78426826a35a… |
| 204.80.155.0 – 204.80.155.255 | 256 | US |
allocated | 1995-01-15 | 1d8822edf7bc… |
| 204.80.156.0 – 204.80.156.255 | 256 | US |
allocated | 1995-01-15 | 09a2419fdbf1… |
| 204.80.158.0 – 204.80.158.255 | 256 | US |
allocated | 1995-01-15 | 0051d2f26139… |
| 204.126.142.0 – 204.126.143.255 | 512 | US |
allocated | 1995-01-15 | 9a65a87e3abf… |
| 204.126.144.0 – 204.126.145.255 | 512 | US |
allocated | 1995-01-15 | 7890dc3226f2… |
| 204.126.146.0 – 204.126.147.255 | 512 | US |
allocated | 1995-01-15 | 475e23fe0669… |
| 204.80.154.0 – 204.80.154.255 | 256 | US |
allocated | 1995-01-14 | 8ea789dad43c… |
| 204.124.244.0 – 204.124.247.255 | 1,024 | US |
allocated | 1995-01-14 | a544c8eabb01… |
| 204.124.248.0 – 204.124.249.255 | 512 | US |
allocated | 1995-01-14 | 78426826a35a… |
| 204.124.250.0 – 204.124.250.255 | 256 | US |
allocated | 1995-01-14 | 78426826a35a… |
| 204.124.252.0 – 204.124.255.255 | 1,024 | US |
allocated | 1995-01-14 | 08a7b1ea5f93… |
| 204.145.167.0 – 204.145.167.255 | 256 | US |
allocated | 1995-01-13 | bd22c925cafb… |
| 204.145.168.0 – 204.145.168.255 | 256 | US |
allocated | 1995-01-13 | eefcfdba089d… |
| 204.145.169.0 – 204.145.169.255 | 256 | US |
allocated | 1995-01-13 | 9ed6e5c62be1… |
| 204.145.170.0 – 204.145.170.255 | 256 | US |
allocated | 1995-01-13 | f8324037ced6… |
| 204.145.171.0 – 204.145.171.255 | 256 | US |
allocated | 1995-01-13 | b7759cd1ff61… |
| 204.145.172.0 – 204.145.172.255 | 256 | US |
allocated | 1995-01-13 | 35f487e213b4… |
| 204.145.173.0 – 204.145.173.255 | 256 | US |
allocated | 1995-01-13 | 743f948767e8… |
| 204.145.174.0 – 204.145.174.255 | 256 | US |
allocated | 1995-01-13 | ce85dd5efe32… |
| 204.145.175.0 – 204.145.175.255 | 256 | US |
allocated | 1995-01-13 | 1bc0a73f9e5b… |
| 204.145.177.0 – 204.145.177.255 | 256 | US |
allocated | 1995-01-13 | bb60a15e6e52… |
| 204.145.178.0 – 204.145.178.255 | 256 | US |
allocated | 1995-01-13 | b6cfbfde7c53… |
| 204.145.179.0 – 204.145.179.255 | 256 | US |
allocated | 1995-01-13 | 35f487e213b4… |
| 204.145.180.0 – 204.145.180.255 | 256 | US |
allocated | 1995-01-13 | 35f487e213b4… |
| 204.153.196.0 – 204.153.199.255 | 1,024 | US |
allocated | 1995-01-13 | 8189cc94604d… |
| 169.157.0.0 – 169.157.255.255 | 65,536 | US |
allocated | 1995-01-12 | 282ba7c4a8df… |
| 204.109.64.0 – 204.109.127.255 | 16,384 | US |
allocated | 1995-01-12 | 0f96442b2c77… |
| 204.128.64.0 – 204.128.127.255 | 16,384 | US |
allocated | 1995-01-12 | 74a00cdd92fc… |
| 204.145.165.0 – 204.145.165.255 | 256 | US |
allocated | 1995-01-12 | 5c416f24d8b4… |
| 204.145.166.0 – 204.145.166.255 | 256 | US |
allocated | 1995-01-12 | 54f1035a4ff7… |
| 204.147.192.0 – 204.147.199.255 | 2,048 | US |
allocated | 1995-01-12 | 8f7d14ca4d04… |
| 204.147.200.0 – 204.147.201.255 | 512 | US |
allocated | 1995-01-12 | 8f7d14ca4d04… |
| 204.147.208.0 – 204.147.223.255 | 4,096 | US |
allocated | 1995-01-12 | 56372e8b3406… |
| 204.152.79.0 – 204.152.79.255 | 256 | US |
allocated | 1995-01-12 | 6af3dbdad10c… |
| 204.194.192.0 – 204.194.199.255 | 2,048 | US |
allocated | 1995-01-12 | 41f4d6c9722e… |
| 204.194.200.0 – 204.194.203.255 | 1,024 | US |
allocated | 1995-01-12 | 0b1bd47f4dc7… |
| 204.194.204.0 – 204.194.205.255 | 512 | US |
allocated | 1995-01-12 | 0b1bd47f4dc7… |
| 204.194.206.0 – 204.194.206.255 | 256 | US |
allocated | 1995-01-12 | 0b1bd47f4dc7… |
| 204.194.208.0 – 204.194.211.255 | 1,024 | US |
allocated | 1995-01-12 | b2901282d8d8… |
| 204.194.212.0 – 204.194.213.255 | 512 | US |
allocated | 1995-01-12 | b2901282d8d8… |
| 204.226.0.0 – 204.226.255.255 | 65,536 |  CA |
allocated | 1995-01-12 | 7c45fce82d43… |
| 204.227.0.0 – 204.227.31.255 | 8,192 | US |
allocated | 1995-01-12 | 105c57756e5b… |
| 204.227.32.0 – 204.227.63.255 | 8,192 | US |
allocated | 1995-01-12 | a8b29bdb3cce… |
| 204.228.0.0 – 204.228.63.255 | 16,384 | US |
allocated | 1995-01-12 | 6d25f5314a15… |
| 204.228.64.0 – 204.228.64.255 | 256 | US |
allocated | 1995-01-12 | 1481ab73a1bc… |
| 204.228.65.0 – 204.228.65.255 | 256 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.66.0 – 204.228.67.255 | 512 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.68.0 – 204.228.71.255 | 1,024 | US |
allocated | 1995-01-12 | facc36be7cfe… |
| 204.228.72.0 – 204.228.79.255 | 2,048 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.80.0 – 204.228.80.255 | 256 | US |
allocated | 1995-01-12 | 64abd6566538… |
| 204.228.81.0 – 204.228.81.255 | 256 | US |
allocated | 1995-01-12 | 2baf88adc127… |
| 204.228.82.0 – 204.228.83.255 | 512 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.84.0 – 204.228.87.255 | 1,024 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.88.0 – 204.228.88.255 | 256 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.89.0 – 204.228.89.255 | 256 | US |
allocated | 1995-01-12 | 33e5458da208… |
| 204.228.90.0 – 204.228.91.255 | 512 | US |
allocated | 1995-01-12 | 33e5458da208… |
| 204.228.92.0 – 204.228.95.255 | 1,024 | US |
allocated | 1995-01-12 | 33e5458da208… |
| 204.228.96.0 – 204.228.127.255 | 8,192 | US |
allocated | 1995-01-12 | 33e5458da208… |
| 204.228.160.0 – 204.228.167.255 | 2,048 | US |
allocated | 1995-01-12 | 2e031c0ba683… |
| 204.228.168.0 – 204.228.169.255 | 512 | US |
allocated | 1995-01-12 | 2e031c0ba683… |
| 204.228.170.0 – 204.228.170.255 | 256 | US |
allocated | 1995-01-12 | 55d3274e336a… |
| 204.228.171.0 – 204.228.171.255 | 256 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.172.0 – 204.228.173.255 | 512 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.174.0 – 204.228.174.255 | 256 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.228.175.0 – 204.228.175.255 | 256 | US |
allocated | 1995-01-12 | 55d3274e336a… |
| 204.228.176.0 – 204.228.191.255 | 4,096 | US |
allocated | 1995-01-12 | 55d3274e336a… |
| 204.229.0.0 – 204.229.31.255 | 8,192 | US |
allocated | 1995-01-12 | f5ba309c0cda… |
| 204.229.32.0 – 204.229.63.255 | 8,192 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.229.64.0 – 204.229.95.255 | 8,192 | US |
allocated | 1995-01-12 | 19faa627e7fa… |
| 204.229.96.0 – 204.229.127.255 | 8,192 | US |
allocated | 1995-01-12 | f5ba309c0cda… |
| 204.229.128.0 – 204.229.191.255 | 16,384 | US |
allocated | 1995-01-12 | 962426dbe0d5… |
| 204.229.192.0 – 204.229.255.255 | 16,384 | US |
allocated | 1995-01-12 | 6d25f5314a15… |
| 204.230.0.0 – 204.230.255.255 | 65,536 | US |
allocated | 1995-01-12 | 161fb0fc33bc… |
| 204.61.192.0 – 204.61.199.255 | 2,048 | US |
allocated | 1995-01-11 | afaeb98815ca… |
| 204.61.200.0 – 204.61.203.255 | 1,024 | US |
allocated | 1995-01-11 | afaeb98815ca… |
| 204.61.204.0 – 204.61.205.255 | 512 | US |
allocated | 1995-01-11 | afaeb98815ca… |