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 |
|---|---|---|---|---|---|
| 204.28.16.0 – 204.28.31.255 | 4,096 |  US |
allocated | 1994-05-12 | 5a2391c2eb4f… |
| 204.31.224.0 – 204.31.255.255 | 8,192 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 204.32.0.0 – 204.32.127.255 | 32,768 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 204.32.144.0 – 204.32.159.255 | 4,096 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 204.32.160.0 – 204.32.191.255 | 8,192 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 204.32.192.0 – 204.32.223.255 | 8,192 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 204.32.224.0 – 204.32.255.255 | 8,192 | US |
allocated | 1994-05-12 | 6c065d5b54b8… |
| 204.33.144.0 – 204.33.159.255 | 4,096 | US |
allocated | 1994-05-12 | e5e3b9c13678… |
| 168.141.0.0 – 168.141.255.255 | 65,536 | US |
allocated | 1994-05-11 | d4933cf4e082… |
| 192.30.147.0 – 192.30.147.255 | 256 | US |
allocated | 1994-05-11 | e678d294c787… |
| 198.161.207.0 – 198.161.207.255 | 256 |  CA |
allocated | 1994-05-11 | 7541f58c9674… |
| 198.169.26.0 – 198.169.26.255 | 256 | CA |
allocated | 1994-05-11 | b0fbc8fd9b6c… |
| 198.203.233.0 – 198.203.233.255 | 256 | US |
allocated | 1994-05-11 | ec1ce9b4c253… |
| 198.203.234.0 – 198.203.234.255 | 256 | US |
allocated | 1994-05-11 | 13543a87114a… |
| 198.203.235.0 – 198.203.235.255 | 256 | CA |
allocated | 1994-05-11 | d45bc32a39d3… |
| 198.203.236.0 – 198.203.236.255 | 256 | US |
allocated | 1994-05-11 | a6ef236ed0bd… |
| 198.203.237.0 – 198.203.237.255 | 256 | US |
allocated | 1994-05-11 | 84feab5fc7f2… |
| 198.203.238.0 – 198.203.239.255 | 512 | US |
allocated | 1994-05-11 | 84feab5fc7f2… |
| 198.203.240.0 – 198.203.241.255 | 512 | US |
allocated | 1994-05-11 | 84feab5fc7f2… |
| 198.203.246.0 – 198.203.247.255 | 512 | US |
allocated | 1994-05-11 | 0596821a6910… |
| 198.203.248.0 – 198.203.249.255 | 512 | US |
allocated | 1994-05-11 | 0596821a6910… |
| 198.235.3.0 – 198.235.3.255 | 256 | CA |
allocated | 1994-05-11 | b2bfcb0f5333… |
| 199.71.119.0 – 199.71.119.255 | 256 | CA |
allocated | 1994-05-11 | 572e96ebc258… |
| 199.242.162.0 – 199.242.162.255 | 256 | US |
allocated | 1994-05-11 | 6193610a19a5… |
| 199.242.165.0 – 199.242.165.255 | 256 | US |
allocated | 1994-05-11 | 146977015ffa… |
| 199.242.166.0 – 199.242.166.255 | 256 | US |
allocated | 1994-05-11 | dd730f2083ff… |
| 199.242.167.0 – 199.242.167.255 | 256 | US |
allocated | 1994-05-11 | 6679b817f1d6… |
| 199.242.169.0 – 199.242.169.255 | 256 | US |
allocated | 1994-05-11 | 231992d0bca8… |
| 199.242.170.0 – 199.242.171.255 | 512 | US |
allocated | 1994-05-11 | dbc8032942b8… |
| 199.242.172.0 – 199.242.172.255 | 256 | US |
allocated | 1994-05-11 | dbc8032942b8… |
| 199.242.173.0 – 199.242.173.255 | 256 | US |
allocated | 1994-05-11 | 5b2ecd3b0be8… |
| 199.242.175.0 – 199.242.175.255 | 256 | US |
allocated | 1994-05-11 | 3f9985670e23… |
| 199.242.176.0 – 199.242.176.255 | 256 | US |
allocated | 1994-05-11 | 1344b04c1117… |
| 199.242.177.0 – 199.242.177.255 | 256 | US |
allocated | 1994-05-11 | 20fa64b4686e… |
| 199.242.179.0 – 199.242.179.255 | 256 | US |
allocated | 1994-05-11 | 33680c71266b… |
| 168.137.0.0 – 168.137.255.255 | 65,536 | US |
allocated | 1994-05-10 | 0139d2fbf440… |
| 170.134.0.0 – 170.134.255.255 | 65,536 | US |
allocated | 1994-05-10 | 0860e890cdb7… |
| 198.169.27.0 – 198.169.27.255 | 256 | CA |
allocated | 1994-05-10 | 36ccd3c76e01… |
| 198.203.227.0 – 198.203.227.255 | 256 | US |
allocated | 1994-05-10 | 87324d6cbc60… |
| 198.203.228.0 – 198.203.228.255 | 256 | US |
allocated | 1994-05-10 | b76717df2d71… |
| 198.203.229.0 – 198.203.229.255 | 256 | US |
allocated | 1994-05-10 | b76717df2d71… |
| 198.203.230.0 – 198.203.230.255 | 256 | US |
allocated | 1994-05-10 | b76717df2d71… |
| 198.203.231.0 – 198.203.231.255 | 256 | US |
allocated | 1994-05-10 | c332235df9c0… |
| 198.203.242.0 – 198.203.243.255 | 512 | US |
allocated | 1994-05-10 | 03ed4ab55d8b… |
| 198.203.244.0 – 198.203.245.255 | 512 | US |
allocated | 1994-05-10 | 03ed4ab55d8b… |
| 199.223.64.0 – 199.223.95.255 | 8,192 | US |
allocated | 1994-05-10 | e220ed812a4c… |
| 199.223.96.0 – 199.223.111.255 | 4,096 | US |
allocated | 1994-05-10 | e220ed812a4c… |
| 199.223.112.0 – 199.223.113.255 | 512 | US |
allocated | 1994-05-10 | e220ed812a4c… |
| 199.224.32.0 – 199.224.63.255 | 8,192 | US |
allocated | 1994-05-10 | e220ed812a4c… |
| 199.224.64.0 – 199.224.127.255 | 16,384 | US |
allocated | 1994-05-10 | e220ed812a4c… |
| 199.242.155.0 – 199.242.155.255 | 256 | US |
allocated | 1994-05-10 | 19f8286b6bcf… |
| 199.242.156.0 – 199.242.157.255 | 512 | US |
allocated | 1994-05-10 | 19f8286b6bcf… |
| 199.242.158.0 – 199.242.159.255 | 512 | US |
allocated | 1994-05-10 | 9a603f4e31b8… |
| 199.242.160.0 – 199.242.160.255 | 256 | US |
allocated | 1994-05-10 | d5fed97128b2… |
| 199.242.161.0 – 199.242.161.255 | 256 | US |
allocated | 1994-05-10 | 5d01a373a4a9… |
| 200.10.166.0 – 200.10.166.255 | 256 |  BM |
allocated | 1994-05-10 | d5c54e05f8ac… |
| 204.22.0.0 – 204.23.255.255 | 131,072 | US |
allocated | 1994-05-10 | ecae2b9df56a… |
| 204.24.0.0 – 204.24.255.255 | 65,536 | US |
allocated | 1994-05-10 | ecae2b9df56a… |
| 204.25.0.0 – 204.25.127.255 | 32,768 | US |
allocated | 1994-05-10 | ecae2b9df56a… |
| 204.25.128.0 – 204.25.191.255 | 16,384 | US |
allocated | 1994-05-10 | ecae2b9df56a… |
| 204.26.16.0 – 204.26.31.255 | 4,096 | US |
allocated | 1994-05-10 | be99977a527b… |
| 168.136.0.0 – 168.136.255.255 | 65,536 | US |
allocated | 1994-05-09 | 0aade9087acf… |
| 170.133.192.0 – 170.133.207.255 | 4,096 | US |
allocated | 1994-05-09 | 2fc4f051899b… |
| 198.203.226.0 – 198.203.226.255 | 256 | US |
allocated | 1994-05-09 | 585d10d417e8… |
| 198.203.250.0 – 198.203.251.255 | 512 | US |
allocated | 1994-05-09 | 3283fd2fd4c3… |
| 198.203.252.0 – 198.203.253.255 | 512 | US |
allocated | 1994-05-09 | 3283fd2fd4c3… |
| 198.203.254.0 – 198.203.254.255 | 256 | US |
allocated | 1994-05-09 | 3283fd2fd4c3… |
| 199.242.131.0 – 199.242.131.255 | 256 | US |
allocated | 1994-05-09 | 649efe8ebe74… |
| 199.242.132.0 – 199.242.132.255 | 256 | US |
allocated | 1994-05-09 | 9e760f4cfa5d… |
| 199.242.133.0 – 199.242.133.255 | 256 | US |
allocated | 1994-05-09 | a37cc38d4e98… |
| 199.242.134.0 – 199.242.134.255 | 256 | US |
allocated | 1994-05-09 | bc06a9f31cf9… |
| 199.242.136.0 – 199.242.136.255 | 256 | US |
allocated | 1994-05-09 | 4cf6e8df750e… |
| 199.242.137.0 – 199.242.137.255 | 256 | US |
allocated | 1994-05-09 | 0f8459e10e01… |
| 199.242.138.0 – 199.242.138.255 | 256 | US |
allocated | 1994-05-09 | d611c2e6177e… |
| 199.242.139.0 – 199.242.139.255 | 256 | US |
allocated | 1994-05-09 | 84a209052b3b… |
| 199.242.141.0 – 199.242.141.255 | 256 | US |
allocated | 1994-05-09 | 36461df0e4b1… |
| 199.242.142.0 – 199.242.142.255 | 256 | US |
allocated | 1994-05-09 | 01ded2cfbf92… |
| 199.242.143.0 – 199.242.143.255 | 256 | US |
allocated | 1994-05-09 | a590d452db5e… |
| 199.250.0.0 – 199.250.7.255 | 2,048 | US |
allocated | 1994-05-09 | f79489d39ffd… |
| 199.254.32.0 – 199.254.47.255 | 4,096 | US |
allocated | 1994-05-09 | 9a3240588e0f… |
| 199.254.64.0 – 199.254.71.255 | 2,048 | US |
allocated | 1994-05-09 | 0a5319c79b54… |
| 199.254.72.0 – 199.254.79.255 | 2,048 | US |
allocated | 1994-05-09 | 0a5319c79b54… |
| 199.254.80.0 – 199.254.95.255 | 4,096 | US |
allocated | 1994-05-09 | 0a5319c79b54… |
| 200.10.165.0 – 200.10.165.255 | 256 | BM |
allocated | 1994-05-09 | 7213d4cbb1b4… |
| 204.17.0.0 – 204.17.7.255 | 2,048 | US |
allocated | 1994-05-09 | 1698558b26be… |
| 204.17.8.0 – 204.17.15.255 | 2,048 | US |
allocated | 1994-05-09 | bba56996b74b… |
| 204.17.16.0 – 204.17.31.255 | 4,096 | US |
allocated | 1994-05-09 | d5e290f6ac53… |
| 152.4.0.0 – 152.4.255.255 | 65,536 | US |
allocated | 1994-05-06 | 3fd3de4a62a8… |
| 198.203.224.0 – 198.203.224.255 | 256 | US |
allocated | 1994-05-06 | 3f65ecb68595… |
| 198.203.225.0 – 198.203.225.255 | 256 | US |
allocated | 1994-05-06 | 157d34d45d6d… |
| 156.46.0.0 – 156.46.255.255 | 65,536 | US |
allocated | 1994-05-05 | 37fe01d6d027… |
| 168.135.0.0 – 168.135.255.255 | 65,536 | US |
allocated | 1994-05-05 | 1bba90811450… |
| 198.203.215.0 – 198.203.215.255 | 256 | US |
allocated | 1994-05-05 | 34319ccbb0fa… |
| 198.203.216.0 – 198.203.216.255 | 256 | US |
allocated | 1994-05-05 | 95beb19b09dd… |
| 198.203.217.0 – 198.203.217.255 | 256 | US |
allocated | 1994-05-05 | d33bcc788581… |
| 198.203.218.0 – 198.203.218.255 | 256 | US |
allocated | 1994-05-05 | 20005ff71219… |
| 198.203.220.0 – 198.203.220.255 | 256 | US |
allocated | 1994-05-05 | 8efd7ea5306d… |
| 198.203.221.0 – 198.203.221.255 | 256 | US |
allocated | 1994-05-05 | 21a2c1106771… |
| 198.203.223.0 – 198.203.223.255 | 256 | US |
allocated | 1994-05-05 | f90e700a2cbe… |
| 199.201.224.0 – 199.201.224.255 | 256 | US |
allocated | 1994-05-05 | 616ead89babb… |