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
1,644,513,536
📦
IPv4 networks
77,313
delegated blocks
🧭
IPv6 networks
11,586
delegated blocks
🔗
Autonomous systems
34,304
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.77.38.0 – 192.77.38.255 | 256 |  US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.39.0 – 192.77.39.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.40.0 – 192.77.40.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.41.0 – 192.77.41.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.42.0 – 192.77.42.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.43.0 – 192.77.43.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.44.0 – 192.77.44.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.77.45.0 – 192.77.45.255 | 256 | US |
allocated | 1990-10-26 | 2d90cbf4f78e… |
| 192.84.55.0 – 192.84.55.255 | 256 | US |
allocated | 1990-10-26 | 48d18c2f9253… |
| 192.84.74.0 – 192.84.74.255 | 256 | US |
allocated | 1990-10-26 | 6154750e26cb… |
| 192.84.85.0 – 192.84.85.255 | 256 | US |
allocated | 1990-10-26 | e6b6341831d5… |
| 192.84.86.0 – 192.84.86.255 | 256 | US |
allocated | 1990-10-26 | 99ada9716d52… |
| 192.84.88.0 – 192.84.88.255 | 256 | US |
allocated | 1990-10-26 | 6a3b522f4c8e… |
| 192.84.111.0 – 192.84.111.255 | 256 | US |
allocated | 1990-10-26 | 6c4326d218d2… |
| 143.235.0.0 – 143.235.255.255 | 65,536 | US |
allocated | 1990-10-23 | b35335fa91a3… |
| 143.236.0.0 – 143.236.255.255 | 65,536 | US |
allocated | 1990-10-23 | eb6726009a2c… |
| 143.240.0.0 – 143.240.255.255 | 65,536 | US |
allocated | 1990-10-23 | 37fe01d6d027… |
| 143.242.0.0 – 143.242.255.255 | 65,536 | US |
allocated | 1990-10-23 | 850951f58947… |
| 143.243.0.0 – 143.243.255.255 | 65,536 | US |
allocated | 1990-10-23 | 3a958a082b0e… |
| 192.84.25.0 – 192.84.25.255 | 256 | US |
allocated | 1990-10-23 | 767169c4e3d7… |
| 192.84.26.0 – 192.84.26.255 | 256 | US |
allocated | 1990-10-23 | ec22cada6386… |
| 192.84.28.0 – 192.84.28.255 | 256 | US |
allocated | 1990-10-23 | 5abde52d66c0… |
| 192.84.29.0 – 192.84.29.255 | 256 | US |
allocated | 1990-10-23 | 5229b91521a5… |
| 192.84.31.0 – 192.84.31.255 | 256 | US |
allocated | 1990-10-23 | 0ab6c2dd4658… |
| 192.84.40.0 – 192.84.47.255 | 2,048 | US |
allocated | 1990-10-23 | ab226dc561ca… |
| 192.84.56.0 – 192.84.56.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.57.0 – 192.84.57.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.58.0 – 192.84.58.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.59.0 – 192.84.59.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.60.0 – 192.84.60.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.61.0 – 192.84.61.255 | 256 | US |
allocated | 1990-10-23 | 0f400371e4cf… |
| 192.84.63.0 – 192.84.63.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.64.0 – 192.84.64.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.65.0 – 192.84.65.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.66.0 – 192.84.66.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.67.0 – 192.84.67.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.68.0 – 192.84.68.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.69.0 – 192.84.69.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 192.84.70.0 – 192.84.70.255 | 256 | US |
allocated | 1990-10-23 | 4b981b3209a8… |
| 141.121.0.0 – 141.121.255.255 | 65,536 | US |
allocated | 1990-10-20 | 57cdc40a8929… |
| 141.122.0.0 – 141.122.255.255 | 65,536 | US |
allocated | 1990-10-20 | 4a34b9f7ce6e… |
| 141.124.0.0 – 141.124.255.255 | 65,536 | US |
allocated | 1990-10-20 | 1e6aecf01600… |
| 141.127.0.0 – 141.127.255.255 | 65,536 | US |
allocated | 1990-10-20 | 4a34b9f7ce6e… |
| 141.128.0.0 – 141.128.255.255 | 65,536 | US |
allocated | 1990-10-20 | 4a34b9f7ce6e… |
| 129.35.0.0 – 129.35.255.255 | 65,536 | US |
allocated | 1990-10-18 | 31caea8da158… |
| 143.228.0.0 – 143.228.255.255 | 65,536 | US |
allocated | 1990-10-17 | 5b4d06da1ecb… |
| 143.229.0.0 – 143.229.255.255 | 65,536 | US |
allocated | 1990-10-17 | b2b55a14c0d1… |
| 143.230.0.0 – 143.230.255.255 | 65,536 | US |
allocated | 1990-10-17 | 45fe880b68a8… |
| 143.231.0.0 – 143.231.255.255 | 65,536 | US |
allocated | 1990-10-17 | 5b4d06da1ecb… |
| 192.77.12.0 – 192.77.12.255 | 256 | US |
allocated | 1990-10-17 | 0f400371e4cf… |
| 192.77.13.0 – 192.77.13.255 | 256 | US |
allocated | 1990-10-17 | 253f4ff00188… |
| 192.77.15.0 – 192.77.15.255 | 256 | US |
allocated | 1990-10-17 | f24a794c5944… |
| 192.77.16.0 – 192.77.16.255 | 256 | US |
allocated | 1990-10-17 | 72fbc766db27… |
| 192.77.18.0 – 192.77.18.255 | 256 | US |
allocated | 1990-10-17 | 15b41aeaaa11… |
| 192.77.19.0 – 192.77.19.255 | 256 | US |
allocated | 1990-10-17 | 15b41aeaaa11… |
| 192.77.24.0 – 192.77.24.255 | 256 | US |
allocated | 1990-10-17 | 37fe01d6d027… |
| 192.77.25.0 – 192.77.25.255 | 256 | US |
allocated | 1990-10-17 | 27eccebc7aa8… |
| 192.84.16.0 – 192.84.19.255 | 1,024 | US |
allocated | 1990-10-16 | 4a9f591a2f98… |
| 192.75.20.0 – 192.75.20.255 | 256 |  CA |
allocated | 1990-10-11 | 38798769cc08… |
| 192.75.21.0 – 192.75.21.255 | 256 | CA |
allocated | 1990-10-11 | 38798769cc08… |
| 192.75.22.0 – 192.75.22.255 | 256 | CA |
allocated | 1990-10-11 | 38798769cc08… |
| 192.76.250.0 – 192.76.250.255 | 256 | US |
allocated | 1990-10-09 | 73c216401ca8… |
| 143.194.0.0 – 143.194.255.255 | 65,536 | US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 143.195.0.0 – 143.195.127.255 | 32,768 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.195.128.0 – 143.195.191.255 | 16,384 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.195.192.0 – 143.195.223.255 | 8,192 | US |
allocated | 1990-10-08 | 4ba9f6bcd767… |
| 143.197.0.0 – 143.197.255.255 | 65,536 | US |
allocated | 1990-10-08 | 6785f19fe8e1… |
| 143.199.0.0 – 143.199.255.255 | 65,536 | US |
allocated | 1990-10-08 | 3a44e641f183… |
| 143.200.0.0 – 143.200.255.255 | 65,536 | US |
allocated | 1990-10-08 | e2ff6ac87881… |
| 143.207.0.0 – 143.207.255.255 | 65,536 | US |
allocated | 1990-10-08 | dec63932d08b… |
| 192.76.238.0 – 192.76.238.255 | 256 | US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 192.76.239.0 – 192.76.239.255 | 256 | US |
allocated | 1990-10-08 | 6ec97821770c… |
| 192.76.249.0 – 192.76.249.255 | 256 | US |
allocated | 1990-10-08 | 45fe880b68a8… |
| 192.83.244.0 – 192.83.244.255 | 256 | US |
allocated | 1990-10-08 | 7ccbb03cb795… |
| 192.83.246.0 – 192.83.246.255 | 256 | US |
allocated | 1990-10-08 | 71ccf4794c4a… |
| 192.83.247.0 – 192.83.247.255 | 256 | CA |
allocated | 1990-10-08 | c8bae1572cdf… |
| 192.83.248.0 – 192.83.248.255 | 256 | US |
allocated | 1990-10-08 | 7fd4891ea3d3… |
| 192.83.249.0 – 192.83.249.255 | 256 | US |
allocated | 1990-10-08 | 493d713a4e7f… |
| 192.83.250.0 – 192.83.250.255 | 256 | US |
allocated | 1990-10-08 | 180c6c3f413d… |
| 192.83.251.0 – 192.83.251.255 | 256 | US |
allocated | 1990-10-08 | d7c40d04f568… |
| 192.83.252.0 – 192.83.252.255 | 256 | US |
allocated | 1990-10-08 | b685007a3aa4… |
| 192.83.253.0 – 192.83.253.255 | 256 | US |
allocated | 1990-10-08 | 6ec97821770c… |
| 192.84.2.0 – 192.84.2.255 | 256 | US |
allocated | 1990-10-08 | f56754654451… |
| 192.84.3.0 – 192.84.3.255 | 256 | US |
allocated | 1990-10-08 | 37fe01d6d027… |
| 192.184.4.0 – 192.184.4.255 | 256 | US |
allocated | 1990-10-08 | 61457436058b… |
| 144.11.0.0 – 144.11.255.255 | 65,536 | US |
allocated | 1990-10-06 | 45fe880b68a8… |
| 143.175.0.0 – 143.175.255.255 | 65,536 | US |
allocated | 1990-10-01 | 45fe880b68a8… |
| 143.181.0.0 – 143.181.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.182.0.0 – 143.182.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.183.0.0 – 143.183.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.184.0.0 – 143.184.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.185.0.0 – 143.185.255.255 | 65,536 | US |
allocated | 1990-10-01 | 1e8f556759f4… |
| 143.186.0.0 – 143.186.255.255 | 65,536 | US |
allocated | 1990-10-01 | f3adb3b4e2d9… |
| 143.187.0.0 – 143.187.255.255 | 65,536 | US |
allocated | 1990-10-01 | e1af1011c1c9… |
| 143.190.0.0 – 143.190.255.255 | 65,536 | US |
allocated | 1990-10-01 | 81e05477cc28… |
| 143.192.0.0 – 143.192.63.255 | 16,384 | US |
allocated | 1990-10-01 | cec73ddeaf87… |
| 143.192.64.0 – 143.192.95.255 | 8,192 | US |
allocated | 1990-10-01 | cec73ddeaf87… |
| 192.83.226.0 – 192.83.226.255 | 256 | US |
allocated | 1990-10-01 | 261cc2c12883… |
| 192.83.227.0 – 192.83.227.255 | 256 | US |
allocated | 1990-10-01 | 261cc2c12883… |
| 192.83.228.0 – 192.83.228.255 | 256 | US |
allocated | 1990-10-01 | 5ba740ddd1b9… |