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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 139.181.0.0 – 139.181.255.255 | 65,536 |  US |
allocated | 1990-03-26 | ca8d617b6c8d… |
| 139.182.0.0 – 139.182.255.255 | 65,536 | US |
allocated | 1990-03-26 | c36c520cb656… |
| 140.147.0.0 – 140.147.255.255 | 65,536 | US |
allocated | 1990-03-26 | 9d7632fbe4ec… |
| 141.140.96.0 – 141.140.127.255 | 8,192 | US |
allocated | 1990-03-26 | 3ca7efb8cfb3… |
| 141.140.128.0 – 141.140.255.255 | 32,768 | US |
allocated | 1990-03-26 | 3ca7efb8cfb3… |
| 141.141.0.0 – 141.141.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 141.142.0.0 – 141.142.255.255 | 65,536 | US |
allocated | 1990-03-26 | 429b686766c4… |
| 141.233.0.0 – 141.233.255.255 | 65,536 | US |
allocated | 1990-03-26 | 9a6d5fdffaf7… |
| 141.234.0.0 – 141.234.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 141.235.0.0 – 141.235.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 141.236.0.0 – 141.236.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 141.248.0.0 – 141.248.255.255 | 65,536 | US |
allocated | 1990-03-26 | 5ebea2d4c325… |
| 142.1.0.0 – 142.1.255.255 | 65,536 |  CA |
allocated | 1990-03-26 | ab0b04510ace… |
| 142.15.0.0 – 142.15.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 2b222e0fe963… |
| 142.18.0.0 – 142.18.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 2b222e0fe963… |
| 142.45.0.0 – 142.45.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 124e74d02ac6… |
| 142.46.0.0 – 142.47.255.255 | 131,072 | CA |
allocated | 1990-03-26 | 124e74d02ac6… |
| 142.48.0.0 – 142.49.255.255 | 131,072 | CA |
allocated | 1990-03-26 | 124e74d02ac6… |
| 142.50.0.0 – 142.50.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 124e74d02ac6… |
| 142.61.0.0 – 142.61.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 2b222e0fe963… |
| 142.71.0.0 – 142.71.255.255 | 65,536 | CA |
allocated | 1990-03-26 | b77317ab42b2… |
| 142.75.0.0 – 142.75.255.255 | 65,536 | CA |
allocated | 1990-03-26 | a2eba22c6c42… |
| 142.76.0.0 – 142.76.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 59b5f3cdff29… |
| 142.77.0.0 – 142.77.255.255 | 65,536 | US |
allocated | 1990-03-26 | e220ed812a4c… |
| 142.78.0.0 – 142.78.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 84344661f626… |
| 142.80.0.0 – 142.81.255.255 | 131,072 | CA |
allocated | 1990-03-26 | 4e3bcc22b363… |
| 142.82.0.0 – 142.83.255.255 | 131,072 | CA |
allocated | 1990-03-26 | 31c8cf3841ac… |
| 142.84.0.0 – 142.85.255.255 | 131,072 | CA |
allocated | 1990-03-26 | 31c8cf3841ac… |
| 142.97.0.0 – 142.97.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 84344661f626… |
| 142.132.0.0 – 142.132.127.255 | 32,768 | CA |
allocated | 1990-03-26 | f57423cba512… |
| 142.160.0.0 – 142.160.255.255 | 65,536 | CA |
allocated | 1990-03-26 | 7de51f8320f6… |
| 143.43.0.0 – 143.43.127.255 | 32,768 | US |
allocated | 1990-03-26 | 8c9788eb58db… |
| 143.43.128.0 – 143.43.255.255 | 32,768 | US |
allocated | 1990-03-26 | 8e53d4aca0e0… |
| 143.45.0.0 – 143.45.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.46.0.0 – 143.46.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.48.0.0 – 143.48.255.255 | 65,536 | US |
allocated | 1990-03-26 | 7eba1d21bd7a… |
| 143.56.0.0 – 143.56.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.57.0.0 – 143.57.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.58.0.0 – 143.58.63.255 | 16,384 | US |
allocated | 1990-03-26 | 7fd04cf2e781… |
| 143.60.0.0 – 143.60.255.255 | 65,536 | US |
allocated | 1990-03-26 | b9e9638a9f15… |
| 143.61.0.0 – 143.61.255.255 | 65,536 | US |
allocated | 1990-03-26 | 098890dde069… |
| 143.62.0.0 – 143.62.255.255 | 65,536 | US |
allocated | 1990-03-26 | 4bf7708e97a1… |
| 143.63.0.0 – 143.63.255.255 | 65,536 | US |
allocated | 1990-03-26 | e220ed812a4c… |
| 143.66.0.0 – 143.66.255.255 | 65,536 | US |
allocated | 1990-03-26 | e427e64155b5… |
| 143.67.0.0 – 143.67.255.255 | 65,536 | US |
allocated | 1990-03-26 | 1bac7eaa0723… |
| 143.68.0.0 – 143.68.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.69.0.0 – 143.69.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.70.0.0 – 143.70.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.71.0.0 – 143.71.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.72.0.0 – 143.72.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.73.0.0 – 143.73.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.74.0.0 – 143.74.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.75.0.0 – 143.75.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.76.0.0 – 143.76.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.77.0.0 – 143.77.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.78.0.0 – 143.78.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.79.0.0 – 143.79.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.80.0.0 – 143.80.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.81.0.0 – 143.81.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.82.0.0 – 143.82.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.84.0.0 – 143.84.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.85.0.0 – 143.85.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.86.0.0 – 143.86.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.87.0.0 – 143.87.255.255 | 65,536 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 143.101.0.0 – 143.101.255.255 | 65,536 | US |
allocated | 1990-03-26 | 23bb6e997ace… |
| 143.102.0.0 – 143.102.255.255 | 65,536 | US |
allocated | 1990-03-26 | 23bb6e997ace… |
| 143.104.0.0 – 143.104.255.255 | 65,536 | US |
allocated | 1990-03-26 | 639daecb21dc… |
| 143.109.64.0 – 143.109.95.255 | 8,192 | US |
allocated | 1990-03-26 | a72ffc08f9b6… |
| 143.109.192.0 – 143.109.223.255 | 8,192 | US |
allocated | 1990-03-26 | a72ffc08f9b6… |
| 143.110.0.0 – 143.110.63.255 | 16,384 | US |
allocated | 1990-03-26 | 5be306cd82fe… |
| 143.110.64.0 – 143.110.95.255 | 8,192 | US |
allocated | 1990-03-26 | 5be306cd82fe… |
| 143.111.0.0 – 143.111.255.255 | 65,536 | US |
allocated | 1990-03-26 | 698193a9b471… |
| 192.5.45.0 – 192.5.45.255 | 256 | US |
allocated | 1990-03-26 | c9058a89a8c6… |
| 192.5.55.0 – 192.5.55.255 | 256 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 192.8.0.0 – 192.8.31.255 | 8,192 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.44.0 – 192.8.47.255 | 1,024 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.48.0 – 192.8.63.255 | 4,096 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.64.0 – 192.8.95.255 | 8,192 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.96.0 – 192.8.111.255 | 4,096 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.112.0 – 192.8.115.255 | 1,024 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.120.0 – 192.8.127.255 | 2,048 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.128.0 – 192.8.159.255 | 8,192 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.177.0 – 192.8.177.255 | 256 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.178.0 – 192.8.178.255 | 256 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.181.0 – 192.8.181.255 | 256 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.8.183.0 – 192.8.183.255 | 256 | US |
allocated | 1990-03-26 | 594c16ca0695… |
| 192.35.233.0 – 192.35.233.255 | 256 | US |
allocated | 1990-03-26 | 08857e112300… |
| 192.70.137.0 – 192.70.137.255 | 256 | US |
allocated | 1990-03-26 | f0a0fb874fbd… |
| 192.70.138.0 – 192.70.138.255 | 256 | US |
allocated | 1990-03-26 | 6d198a372145… |
| 192.70.139.0 – 192.70.139.255 | 256 | US |
allocated | 1990-03-26 | 37fe01d6d027… |
| 192.73.3.0 – 192.73.3.255 | 256 | US |
allocated | 1990-03-26 | d3cc487da4a3… |
| 192.73.47.0 – 192.73.47.255 | 256 | US |
allocated | 1990-03-26 | 1df30fac17fa… |
| 192.73.48.0 – 192.73.48.255 | 256 | US |
allocated | 1990-03-26 | 5553a1969ec2… |
| 192.73.49.0 – 192.73.49.255 | 256 | US |
allocated | 1990-03-26 | 2d90cbf4f78e… |
| 192.73.63.0 – 192.73.63.255 | 256 | US |
allocated | 1990-03-26 | 04fd268619be… |
| 192.73.207.0 – 192.73.207.255 | 256 | US |
allocated | 1990-03-26 | e0f4039759ce… |
| 192.73.208.0 – 192.73.208.255 | 256 | US |
allocated | 1990-03-26 | 7a6198df10e8… |
| 192.73.209.0 – 192.73.209.255 | 256 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 192.73.210.0 – 192.73.210.255 | 256 | US |
allocated | 1990-03-26 | 45fe880b68a8… |
| 192.73.211.0 – 192.73.211.255 | 256 | US |
allocated | 1990-03-26 | 45fe880b68a8… |