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
1,645,666,816
📦
IPv4 networks
76,690
delegated blocks
🧭
IPv6 networks
11,349
delegated blocks
🔗
Autonomous systems
34,029
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 204.52.216.0 – 204.52.216.255 | 256 |  US |
allocated | 1994-07-12 | 45973c8dcb35… |
| 204.52.217.0 – 204.52.217.255 | 256 | US |
allocated | 1994-07-12 | 3a6d7f5f3898… |
| 204.52.218.0 – 204.52.218.255 | 256 | US |
allocated | 1994-07-12 | 234d24b4e006… |
| 204.52.220.0 – 204.52.220.255 | 256 | US |
allocated | 1994-07-12 | b75aa99d8ad2… |
| 204.52.223.0 – 204.52.223.255 | 256 | US |
allocated | 1994-07-12 | 1f003c44ad25… |
| 204.52.224.0 – 204.52.225.255 | 512 | US |
allocated | 1994-07-12 | 73140e517da1… |
| 204.52.226.0 – 204.52.226.255 | 256 | US |
allocated | 1994-07-12 | 73140e517da1… |
| 204.52.227.0 – 204.52.227.255 | 256 | US |
allocated | 1994-07-12 | 347545edef24… |
| 204.99.0.0 – 204.99.127.255 | 32,768 | US |
allocated | 1994-07-12 | 6d25f5314a15… |
| 204.99.128.0 – 204.99.128.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.129.0 – 204.99.129.255 | 256 | US |
allocated | 1994-07-12 | 52399cc9fb77… |
| 204.99.130.0 – 204.99.130.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.131.0 – 204.99.131.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.133.0 – 204.99.133.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.134.0 – 204.99.134.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.135.0 – 204.99.135.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.136.0 – 204.99.136.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.137.0 – 204.99.137.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.138.0 – 204.99.139.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.141.0 – 204.99.141.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.142.0 – 204.99.143.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.144.0 – 204.99.147.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.148.0 – 204.99.149.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.150.0 – 204.99.150.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.151.0 – 204.99.151.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.152.0 – 204.99.152.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.153.0 – 204.99.153.255 | 256 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.154.0 – 204.99.155.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.156.0 – 204.99.159.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.160.0 – 204.99.175.255 | 4,096 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.176.0 – 204.99.177.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.178.0 – 204.99.179.255 | 512 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.180.0 – 204.99.183.255 | 1,024 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.184.0 – 204.99.185.255 | 512 | US |
allocated | 1994-07-12 | f75a609ccd65… |
| 204.99.186.0 – 204.99.187.255 | 512 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.188.0 – 204.99.191.255 | 1,024 | US |
allocated | 1994-07-12 | 2e031c0ba683… |
| 204.99.192.0 – 204.99.207.255 | 4,096 | US |
allocated | 1994-07-12 | 3b59c360f010… |
| 204.99.208.0 – 204.99.223.255 | 4,096 | US |
allocated | 1994-07-12 | 096d92fdd257… |
| 204.99.224.0 – 204.99.255.255 | 8,192 | US |
allocated | 1994-07-12 | 12f8e4c74193… |
| 196.12.64.0 – 196.12.127.255 | 16,384 |  BM |
allocated | 1994-07-11 | 2207f4cd56d2… |
| 198.245.247.0 – 198.245.247.255 | 256 | US |
allocated | 1994-07-11 | d1cde24ec33c… |
| 199.250.64.0 – 199.250.127.255 | 16,384 | US |
allocated | 1994-07-11 | db93de86f9b1… |
| 204.52.207.0 – 204.52.207.255 | 256 | US |
allocated | 1994-07-11 | 6e5e7478dd04… |
| 204.52.208.0 – 204.52.208.255 | 256 |  IL |
allocated | 1994-07-11 | 8654ff53ce62… |
| 204.52.210.0 – 204.52.210.255 | 256 | US |
allocated | 1994-07-11 | e649f3ef40a4… |
| 204.52.211.0 – 204.52.211.255 | 256 | US |
allocated | 1994-07-11 | 94f9fcfbcf6b… |
| 204.107.227.0 – 204.107.227.255 | 256 | US |
allocated | 1994-07-11 | a30d3d3498aa… |
| 204.128.138.0 – 204.128.138.255 | 256 | US |
allocated | 1994-07-11 | a30d3d3498aa… |
| 198.245.238.0 – 198.245.239.255 | 512 | US |
allocated | 1994-07-08 | b7fadddd73f9… |
| 198.245.240.0 – 198.245.240.255 | 256 | US |
allocated | 1994-07-08 | 0556e51c395f… |
| 198.245.241.0 – 198.245.241.255 | 256 | US |
allocated | 1994-07-08 | 75225b1baa83… |
| 198.245.242.0 – 198.245.242.255 | 256 | US |
allocated | 1994-07-08 | 75225b1baa83… |
| 198.245.243.0 – 198.245.243.255 | 256 | US |
allocated | 1994-07-08 | 5de9932a4b3c… |
| 198.245.244.0 – 198.245.244.255 | 256 | US |
allocated | 1994-07-08 | 9d22bb7f677f… |
| 198.245.245.0 – 198.245.245.255 | 256 | US |
allocated | 1994-07-08 | 464ee2e27228… |
| 198.245.246.0 – 198.245.246.255 | 256 | US |
allocated | 1994-07-08 | 464ee2e27228… |
| 199.85.6.0 – 199.85.6.255 | 256 |  CA |
allocated | 1994-07-08 | 3d1f6241f117… |
| 199.246.60.0 – 199.246.63.255 | 1,024 | CA |
allocated | 1994-07-08 | 926070ae5721… |
| 199.246.64.0 – 199.246.71.255 | 2,048 | CA |
allocated | 1994-07-08 | 926070ae5721… |
| 199.250.32.0 – 199.250.47.255 | 4,096 | US |
allocated | 1994-07-08 | 90e97f4f25ce… |
| 199.250.48.0 – 199.250.55.255 | 2,048 | US |
allocated | 1994-07-08 | 90e97f4f25ce… |
| 199.250.56.0 – 199.250.59.255 | 1,024 | US |
allocated | 1994-07-08 | 90e97f4f25ce… |
| 204.52.197.0 – 204.52.197.255 | 256 | US |
allocated | 1994-07-08 | 9d2be01e8004… |
| 204.52.198.0 – 204.52.198.255 | 256 | US |
allocated | 1994-07-08 | b0b61db9f9c1… |
| 204.52.199.0 – 204.52.199.255 | 256 | US |
allocated | 1994-07-08 | 6d319583d639… |
| 204.52.200.0 – 204.52.200.255 | 256 | US |
allocated | 1994-07-08 | ab4ae5a94690… |
| 204.52.201.0 – 204.52.201.255 | 256 | US |
allocated | 1994-07-08 | e7b53e5c2a92… |
| 204.89.8.0 – 204.89.15.255 | 2,048 | US |
allocated | 1994-07-08 | 6df4cc18a171… |
| 204.90.16.0 – 204.90.31.255 | 4,096 | US |
allocated | 1994-07-08 | b121ce0c238d… |
| 204.91.0.0 – 204.91.255.255 | 65,536 | US |
allocated | 1994-07-08 | e220ed812a4c… |
| 204.92.0.0 – 204.92.255.255 | 65,536 | US |
allocated | 1994-07-08 | e220ed812a4c… |
| 204.52.185.0 – 204.52.185.255 | 256 | US |
allocated | 1994-07-07 | 4f5ed7d24ac8… |
| 204.52.186.0 – 204.52.186.255 | 256 | US |
allocated | 1994-07-07 | 6b2929cef1ea… |
| 204.52.187.0 – 204.52.187.255 | 256 | US |
allocated | 1994-07-07 | 860be3b3ec17… |
| 204.52.188.0 – 204.52.188.255 | 256 | US |
allocated | 1994-07-07 | 860be3b3ec17… |
| 204.52.189.0 – 204.52.189.255 | 256 | US |
allocated | 1994-07-07 | 2ab4c4563724… |
| 204.52.190.0 – 204.52.190.255 | 256 | US |
allocated | 1994-07-07 | 2ab4c4563724… |
| 204.52.192.0 – 204.52.192.255 | 256 | US |
allocated | 1994-07-07 | ed21ed35975d… |
| 204.52.193.0 – 204.52.193.255 | 256 | US |
allocated | 1994-07-07 | 939d9b2069d8… |
| 204.52.194.0 – 204.52.194.255 | 256 | US |
allocated | 1994-07-07 | cb239e6cb254… |
| 204.52.195.0 – 204.52.195.255 | 256 | US |
allocated | 1994-07-07 | 4c1ab271f8c6… |
| 204.56.128.0 – 204.56.255.255 | 32,768 | US |
allocated | 1994-07-07 | e0cd88697e12… |
| 168.207.0.0 – 168.207.255.255 | 65,536 | US |
allocated | 1994-07-06 | d57ef420abb5… |
| 168.208.0.0 – 168.208.255.255 | 65,536 | US |
allocated | 1994-07-06 | 3c26cc94a3a8… |
| 204.52.147.0 – 204.52.147.255 | 256 | US |
allocated | 1994-07-06 | d41cde514da3… |
| 204.52.148.0 – 204.52.151.255 | 1,024 | US |
allocated | 1994-07-06 | d41cde514da3… |
| 204.52.152.0 – 204.52.152.255 | 256 | US |
allocated | 1994-07-06 | d0b5062361da… |
| 204.52.153.0 – 204.52.153.255 | 256 | US |
allocated | 1994-07-06 | e7b53e5c2a92… |
| 204.52.154.0 – 204.52.154.255 | 256 | US |
allocated | 1994-07-06 | 77ddaa434f12… |
| 204.52.156.0 – 204.52.156.255 | 256 | US |
allocated | 1994-07-06 | 526d598d3dd5… |
| 204.52.157.0 – 204.52.157.255 | 256 | US |
allocated | 1994-07-06 | 9e08c1ef4f4a… |
| 204.52.158.0 – 204.52.159.255 | 512 | US |
allocated | 1994-07-06 | 5a185fddd7c8… |
| 204.52.166.0 – 204.52.166.255 | 256 | US |
allocated | 1994-07-06 | 78a6cc7f6d03… |
| 204.52.167.0 – 204.52.167.255 | 256 | US |
allocated | 1994-07-06 | 413d5489a153… |
| 204.52.168.0 – 204.52.171.255 | 1,024 | US |
allocated | 1994-07-06 | d9656fc0e895… |
| 204.52.172.0 – 204.52.172.255 | 256 | US |
allocated | 1994-07-06 | d9656fc0e895… |
| 204.52.173.0 – 204.52.173.255 | 256 | US |
allocated | 1994-07-06 | 8cfd9064c17d… |
| 204.52.175.0 – 204.52.175.255 | 256 | US |
allocated | 1994-07-06 | e9e5c8b371f0… |
| 204.52.176.0 – 204.52.177.255 | 512 | US |
allocated | 1994-07-06 | e9e5c8b371f0… |
| 204.52.178.0 – 204.52.178.255 | 256 | US |
allocated | 1994-07-06 | e9e5c8b371f0… |