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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 216.52.216.0 – 216.52.219.255 | 1,024 |  US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.220.0 – 216.52.221.255 | 512 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.223.0 – 216.52.223.255 | 256 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.224.0 – 216.52.231.255 | 2,048 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.232.0 – 216.52.232.255 | 256 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.234.0 – 216.52.235.255 | 512 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.236.0 – 216.52.239.255 | 1,024 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.240.0 – 216.52.243.255 | 1,024 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.244.0 – 216.52.244.255 | 256 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.246.0 – 216.52.247.255 | 512 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.52.248.0 – 216.52.255.255 | 2,048 | US |
allocated | 1998-08-24 | 327bf0000e76… |
| 216.46.64.0 – 216.46.95.255 | 8,192 | US |
allocated | 1998-08-17 | a7f7463af3d3… |
| 216.39.0.0 – 216.39.31.255 | 8,192 | US |
allocated | 1998-08-14 | c4e97358d124… |
| 216.46.0.0 – 216.46.31.255 | 8,192 |  CA |
allocated | 1998-08-13 | a2e1bb6f40a4… |
| 209.251.224.0 – 209.251.227.255 | 1,024 | US |
allocated | 1998-08-12 | b8d3dee04976… |
| 209.251.228.0 – 209.251.229.255 | 512 | US |
allocated | 1998-08-12 | b8d3dee04976… |
| 209.251.232.0 – 209.251.232.255 | 256 | US |
allocated | 1998-08-12 | b8d3dee04976… |
| 216.38.128.0 – 216.38.159.255 | 8,192 | US |
allocated | 1998-08-12 | 1f4dca3e4544… |
| 209.251.192.0 – 209.251.193.255 | 512 | US |
allocated | 1998-08-07 | 01e8f05e744d… |
| 209.251.194.0 – 209.251.194.255 | 256 | US |
allocated | 1998-08-07 | 01e8f05e744d… |
| 209.251.198.0 – 209.251.199.255 | 512 | US |
allocated | 1998-08-07 | 01e8f05e744d… |
| 209.251.200.0 – 209.251.207.255 | 2,048 | US |
allocated | 1998-08-07 | 01e8f05e744d… |
| 209.251.208.0 – 209.251.223.255 | 4,096 | US |
allocated | 1998-08-07 | 01e8f05e744d… |
| 216.37.128.0 – 216.37.255.255 | 32,768 | US |
allocated | 1998-08-05 | 7a3fe9f0f36b… |
| 216.37.0.0 – 216.37.63.255 | 16,384 | US |
allocated | 1998-08-03 | 1cb21afb6f24… |
| 63.0.0.0 – 63.31.255.255 | 2,097,152 | US |
allocated | 1998-07-31 | e220ed812a4c… |
| 63.36.0.0 – 63.39.255.255 | 262,144 | US |
allocated | 1998-07-31 | e220ed812a4c… |
| 63.40.0.0 – 63.47.255.255 | 524,288 | US |
allocated | 1998-07-31 | e220ed812a4c… |
| 63.48.0.0 – 63.63.255.255 | 1,048,576 | US |
allocated | 1998-07-31 | e220ed812a4c… |
| 209.251.160.0 – 209.251.191.255 | 8,192 | US |
allocated | 1998-07-31 | e220ed812a4c… |
| 216.32.0.0 – 216.35.255.255 | 262,144 | US |
allocated | 1998-07-30 | cdb7d42057bd… |
| 216.25.128.0 – 216.25.159.255 | 8,192 | US |
allocated | 1998-07-29 | f1e69b8e49c7… |
| 216.25.4.0 – 216.25.7.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.8.0 – 216.25.11.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.16.0 – 216.25.19.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.32.0 – 216.25.35.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.40.0 – 216.25.43.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.68.0 – 216.25.71.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.72.0 – 216.25.79.255 | 2,048 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.80.0 – 216.25.83.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.112.0 – 216.25.119.255 | 2,048 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 216.25.120.0 – 216.25.123.255 | 1,024 | CA |
allocated | 1998-07-28 | 3c781914ab27… |
| 209.251.128.0 – 209.251.159.255 | 8,192 | US |
allocated | 1998-07-27 | d4498e452a9a… |
| 209.251.96.0 – 209.251.127.255 | 8,192 | US |
allocated | 1998-07-23 | 89249e4c2bdf… |
| 216.24.128.0 – 216.24.159.255 | 8,192 | US |
allocated | 1998-07-23 | 4b179ab78b2a… |
| 216.30.0.0 – 216.30.127.255 | 32,768 | US |
allocated | 1998-07-22 | e220ed812a4c… |
| 216.30.128.0 – 216.30.143.255 | 4,096 | US |
allocated | 1998-07-22 | e220ed812a4c… |
| 196.32.128.0 – 196.32.159.255 | 8,192 |  PR |
allocated | 1998-07-21 | d89f312e331f… |
| 216.23.128.0 – 216.23.159.255 | 8,192 | US |
allocated | 1998-07-21 | 34d342be0361… |
| 216.24.0.0 – 216.24.15.255 | 4,096 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.16.0 – 216.24.23.255 | 2,048 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.24.0 – 216.24.27.255 | 1,024 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.28.0 – 216.24.28.255 | 256 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.30.0 – 216.24.31.255 | 512 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.33.0 – 216.24.33.255 | 256 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.35.0 – 216.24.35.255 | 256 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.36.0 – 216.24.39.255 | 1,024 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.42.0 – 216.24.42.255 | 256 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.48.0 – 216.24.49.255 | 512 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 216.24.50.0 – 216.24.50.255 | 256 | US |
allocated | 1998-07-21 | 89c16be28bc2… |
| 209.251.32.0 – 209.251.47.255 | 4,096 | US |
allocated | 1998-07-17 | ef76dbf2fd9b… |
| 209.251.64.0 – 209.251.79.255 | 4,096 | US |
allocated | 1998-07-17 | add6534d017e… |
| 216.28.0.0 – 216.29.255.255 | 131,072 | US |
allocated | 1998-07-17 | 37fe01d6d027… |
| 216.22.128.0 – 216.22.255.255 | 32,768 | US |
allocated | 1998-07-15 | e220ed812a4c… |
| 216.27.0.0 – 216.27.63.255 | 16,384 | US |
allocated | 1998-07-15 | 6e048190eb9a… |
| 216.27.64.0 – 216.27.95.255 | 8,192 | US |
allocated | 1998-07-15 | 6e048190eb9a… |
| 216.22.0.0 – 216.22.63.255 | 16,384 | US |
allocated | 1998-07-14 | 920d0c66f3d2… |
| 209.243.64.0 – 209.243.127.255 | 16,384 | US |
allocated | 1998-07-13 | d3529f254bc5… |
| 216.17.0.0 – 216.17.63.255 | 16,384 | US |
allocated | 1998-07-10 | ff3be2ed6da6… |
| 216.17.64.0 – 216.17.95.255 | 8,192 | US |
allocated | 1998-07-10 | ff3be2ed6da6… |
| 209.250.160.0 – 209.250.191.255 | 8,192 | CA |
allocated | 1998-07-02 | 59b21a11a50c… |
| 209.250.192.0 – 209.250.223.255 | 8,192 | US |
allocated | 1998-07-02 | 162d8e50912f… |
| 216.15.0.0 – 216.15.127.255 | 32,768 | US |
allocated | 1998-07-02 | d497a9a99490… |
| 216.16.0.0 – 216.16.127.255 | 32,768 | US |
allocated | 1998-07-02 | 8e96b9b26ba0… |
| 209.250.128.0 – 209.250.159.255 | 8,192 | CA |
allocated | 1998-06-30 | 5ffb5f0d0de7… |
| 216.13.0.0 – 216.13.255.255 | 65,536 | US |
allocated | 1998-06-30 | 34d342be0361… |
| 206.162.128.0 – 206.162.191.255 | 16,384 | CA |
allocated | 1998-06-26 | 0e702695cc8d… |
| 206.180.64.0 – 206.180.127.255 | 16,384 | US |
allocated | 1998-06-26 | e12419eb8b75… |
| 209.250.96.0 – 209.250.127.255 | 8,192 | US |
allocated | 1998-06-26 | a7f7463af3d3… |
| 209.250.64.0 – 209.250.95.255 | 8,192 | US |
allocated | 1998-06-25 | 50e7e5961f0a… |
| 216.12.0.0 – 216.12.3.255 | 1,024 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.4.0 – 216.12.5.255 | 512 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.7.0 – 216.12.7.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.8.0 – 216.12.15.255 | 2,048 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.16.0 – 216.12.16.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.18.0 – 216.12.19.255 | 512 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.20.0 – 216.12.23.255 | 1,024 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.24.0 – 216.12.27.255 | 1,024 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.29.0 – 216.12.29.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.30.0 – 216.12.31.255 | 512 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.32.0 – 216.12.63.255 | 8,192 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.65.0 – 216.12.65.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.66.0 – 216.12.67.255 | 512 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.70.0 – 216.12.70.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.72.0 – 216.12.79.255 | 2,048 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.80.0 – 216.12.87.255 | 2,048 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.88.0 – 216.12.91.255 | 1,024 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.92.0 – 216.12.92.255 | 256 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.94.0 – 216.12.95.255 | 512 | US |
allocated | 1998-06-25 | 6f1ca564de76… |
| 216.12.96.0 – 216.12.103.255 | 2,048 | US |
allocated | 1998-06-25 | 6f1ca564de76… |