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
1,645,583,360
📦
IPv4 networks
76,686
delegated blocks
🧭
IPv6 networks
11,342
delegated blocks
🔗
Autonomous systems
34,022
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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 | 7a3fe9f0f36b… |
| 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… |
| 199.201.226.0 – 199.201.227.255 | 512 |  CA |
allocated | 1994-05-05 | a2eba22c6c42… |
| 199.201.228.0 – 199.201.229.255 | 512 | CA |
allocated | 1994-05-05 | a2eba22c6c42… |
| 199.201.230.0 – 199.201.230.255 | 256 | US |
allocated | 1994-05-05 | a6e96012a52c… |
| 199.201.231.0 – 199.201.231.255 | 256 | US |
allocated | 1994-05-05 | db08264ad1cb… |
| 199.201.232.0 – 199.201.235.255 | 1,024 | US |
allocated | 1994-05-05 | db08264ad1cb… |
| 199.201.240.0 – 199.201.240.255 | 256 | US |
allocated | 1994-05-05 | f408850c47cc… |
| 199.201.241.0 – 199.201.241.255 | 256 | US |
allocated | 1994-05-05 | dc7134ec0d6d… |
| 199.201.244.0 – 199.201.244.255 | 256 | US |
allocated | 1994-05-05 | 29d9e93a8ec7… |
| 199.201.245.0 – 199.201.245.255 | 256 | US |
allocated | 1994-05-05 | e56fcb9a09af… |
| 199.201.246.0 – 199.201.246.255 | 256 | US |
allocated | 1994-05-05 | ae8370c8cd19… |
| 199.201.247.0 – 199.201.247.255 | 256 | US |
allocated | 1994-05-05 | b4e9e2d22ebc… |
| 199.201.248.0 – 199.201.249.255 | 512 | US |
allocated | 1994-05-05 | ca2e412fb7a7… |
| 199.201.250.0 – 199.201.250.255 | 256 | US |
allocated | 1994-05-05 | b27fce9bb267… |
| 199.201.251.0 – 199.201.251.255 | 256 | US |
allocated | 1994-05-05 | ecd0a3c24962… |
| 199.201.252.0 – 199.201.252.255 | 256 | US |
allocated | 1994-05-05 | ecd0a3c24962… |
| 199.201.253.0 – 199.201.253.255 | 256 | US |
allocated | 1994-05-05 | b7a9ef7b23fa… |
| 199.201.254.0 – 199.201.254.255 | 256 | US |
allocated | 1994-05-05 | 01ded2cfbf92… |
| 199.242.128.0 – 199.242.129.255 | 512 | US |
allocated | 1994-05-05 | 5d1480218423… |
| 199.242.130.0 – 199.242.130.255 | 256 | US |
allocated | 1994-05-05 | 5d1480218423… |
| 199.245.117.0 – 199.245.117.255 | 256 | US |
allocated | 1994-05-05 | 0477d891ded5… |
| 199.245.118.0 – 199.245.119.255 | 512 | US |
allocated | 1994-05-05 | 76a3a03625d3… |
| 199.245.120.0 – 199.245.121.255 | 512 | US |
allocated | 1994-05-05 | 76a3a03625d3… |
| 199.245.122.0 – 199.245.122.255 | 256 | US |
allocated | 1994-05-05 | 31db0ae86df1… |
| 199.245.124.0 – 199.245.124.255 | 256 | US |
allocated | 1994-05-05 | 7756e5f842fa… |
| 199.245.125.0 – 199.245.125.255 | 256 | US |
allocated | 1994-05-05 | 98b2d6b25778… |
| 199.245.126.0 – 199.245.126.255 | 256 | US |
allocated | 1994-05-05 | c39c373a3b08… |
| 199.245.127.0 – 199.245.127.255 | 256 | US |
allocated | 1994-05-05 | 6679b817f1d6… |
| 199.245.128.0 – 199.245.129.255 | 512 | US |
allocated | 1994-05-05 | ca2e6b157852… |
| 199.245.130.0 – 199.245.130.255 | 256 | US |
allocated | 1994-05-05 | 3d7d6df91824… |
| 199.245.131.0 – 199.245.131.255 | 256 | US |
allocated | 1994-05-05 | 9bf966ed8d34… |
| 199.245.132.0 – 199.245.132.255 | 256 | US |
allocated | 1994-05-05 | 6013bd60e910… |
| 199.245.133.0 – 199.245.133.255 | 256 | US |
allocated | 1994-05-05 | 0709effa6658… |
| 199.245.134.0 – 199.245.134.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.135.0 – 199.245.135.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.136.0 – 199.245.136.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.137.0 – 199.245.137.255 | 256 | US |
allocated | 1994-05-05 | f8e95253c4b3… |
| 199.245.138.0 – 199.245.138.255 | 256 | US |
allocated | 1994-05-05 | 67d181e057e4… |
| 199.245.139.0 – 199.245.139.255 | 256 | US |
allocated | 1994-05-05 | fc2e75723abf… |
| 199.253.0.0 – 199.253.7.255 | 2,048 | US |
allocated | 1994-05-05 | c8adfce8689b… |
| 199.253.8.0 – 199.253.9.255 | 512 | US |
allocated | 1994-05-05 | c8adfce8689b… |
| 199.253.32.0 – 199.253.47.255 | 4,096 | US |
allocated | 1994-05-05 | d171d2a26248… |
| 199.253.48.0 – 199.253.55.255 | 2,048 | US |
allocated | 1994-05-05 | d171d2a26248… |
| 199.254.8.0 – 199.254.15.255 | 2,048 | US |
allocated | 1994-05-05 | 6af3dbdad10c… |
| 199.254.16.0 – 199.254.23.255 | 2,048 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.24.0 – 199.254.25.255 | 512 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.26.0 – 199.254.26.255 | 256 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.229.0 – 199.254.229.255 | 256 | US |
allocated | 1994-05-05 | a461c3f80bad… |