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 |
|---|---|---|---|---|---|
| 192.100.51.0 – 192.100.51.255 | 256 |  US |
allocated | 1991-03-22 | a61334eb0a9a… |
| 192.104.12.0 – 192.104.12.255 | 256 | US |
allocated | 1991-03-22 | fd1ca6d37cc9… |
| 192.104.16.0 – 192.104.16.255 | 256 | US |
allocated | 1991-03-22 | 6fe5d07d3729… |
| 148.104.0.0 – 148.104.255.255 | 65,536 | US |
allocated | 1991-03-20 | 6af3dbdad10c… |
| 148.106.0.0 – 148.106.255.255 | 65,536 | US |
allocated | 1991-03-20 | 5cc6b521d057… |
| 148.114.0.0 – 148.114.255.255 | 65,536 | US |
allocated | 1991-03-20 | 2d90cbf4f78e… |
| 192.104.2.0 – 192.104.2.255 | 256 | US |
allocated | 1991-03-20 | e0791c388dab… |
| 192.104.6.0 – 192.104.6.255 | 256 | US |
allocated | 1991-03-20 | 3518f8944d42… |
| 192.104.7.0 – 192.104.7.255 | 256 | US |
allocated | 1991-03-20 | 7a58086e51b0… |
| 192.104.8.0 – 192.104.8.255 | 256 | US |
allocated | 1991-03-20 | 9548828017ee… |
| 147.113.0.0 – 147.113.255.255 | 65,536 | US |
allocated | 1991-03-19 | 4b3e152c829c… |
| 147.114.0.0 – 147.114.255.255 | 65,536 |  GB |
allocated | 1991-03-19 | 53cdb9ecb3ed… |
| 192.100.27.0 – 192.100.27.255 | 256 | US |
allocated | 1991-03-19 | 0bd28164131d… |
| 192.100.28.0 – 192.100.28.255 | 256 | US |
allocated | 1991-03-19 | 6778a9d6a1d6… |
| 142.20.0.0 – 142.20.255.255 | 65,536 |  CA |
allocated | 1991-03-18 | 4fb2234d4e70… |
| 142.21.0.0 – 142.21.255.255 | 65,536 | CA |
allocated | 1991-03-18 | b02987246b04… |
| 192.75.80.0 – 192.75.80.255 | 256 | CA |
allocated | 1991-03-18 | 68dce4650df3… |
| 192.75.81.0 – 192.75.81.255 | 256 | CA |
allocated | 1991-03-18 | 6d872bd097fc… |
| 192.75.82.0 – 192.75.83.255 | 512 | CA |
allocated | 1991-03-18 | 6d872bd097fc… |
| 192.75.84.0 – 192.75.87.255 | 1,024 | CA |
allocated | 1991-03-18 | d316d8b01379… |
| 192.75.88.0 – 192.75.88.255 | 256 | US |
allocated | 1991-03-18 | 41d606401cb6… |
| 192.75.89.0 – 192.75.89.255 | 256 | US |
allocated | 1991-03-18 | 41d606401cb6… |
| 192.75.90.0 – 192.75.90.255 | 256 | CA |
allocated | 1991-03-18 | f03f182aae25… |
| 192.75.91.0 – 192.75.91.255 | 256 | CA |
allocated | 1991-03-18 | f1f197852e97… |
| 192.75.92.0 – 192.75.92.255 | 256 | CA |
allocated | 1991-03-18 | f1f197852e97… |
| 192.75.93.0 – 192.75.93.255 | 256 | CA |
allocated | 1991-03-18 | f1f197852e97… |
| 192.75.94.0 – 192.75.94.255 | 256 | CA |
allocated | 1991-03-18 | f74b7500aa82… |
| 192.75.96.0 – 192.75.96.255 | 256 | CA |
allocated | 1991-03-18 | d59ea33ac2df… |
| 192.75.97.0 – 192.75.97.255 | 256 | CA |
allocated | 1991-03-18 | d59ea33ac2df… |
| 192.100.26.0 – 192.100.26.255 | 256 | US |
allocated | 1991-03-18 | 7a43b8579dc2… |
| 140.202.0.0 – 140.202.255.255 | 65,536 | US |
allocated | 1991-03-15 | 45fe880b68a8… |
| 146.49.0.0 – 146.49.255.255 | 65,536 | US |
allocated | 1991-03-15 | 45fe880b68a8… |
| 192.31.158.0 – 192.31.158.255 | 256 | US |
allocated | 1991-03-15 | 45fe880b68a8… |
| 147.107.0.0 – 147.107.255.255 | 65,536 | US |
allocated | 1991-03-14 | 4b3e152c829c… |
| 192.16.219.0 – 192.16.219.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.220.0 – 192.16.220.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.221.0 – 192.16.221.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.222.0 – 192.16.222.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.223.0 – 192.16.223.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.224.0 – 192.16.224.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.225.0 – 192.16.225.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.226.0 – 192.16.226.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.227.0 – 192.16.227.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.228.0 – 192.16.228.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.229.0 – 192.16.229.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.230.0 – 192.16.230.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.16.231.0 – 192.16.231.255 | 256 | CA |
allocated | 1991-03-14 | c8bae1572cdf… |
| 192.100.19.0 – 192.100.19.255 | 256 | US |
allocated | 1991-03-14 | a96c0d34efd8… |
| 192.100.20.0 – 192.100.20.255 | 256 | US |
allocated | 1991-03-14 | 395248e5a1c4… |
| 192.100.21.0 – 192.100.21.255 | 256 | US |
allocated | 1991-03-14 | 95e532702a84… |
| 144.49.0.0 – 144.49.255.255 | 65,536 | US |
allocated | 1991-03-13 | 399da38fd3d4… |
| 147.103.0.0 – 147.103.255.255 | 65,536 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 147.104.0.0 – 147.104.255.255 | 65,536 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 147.105.0.0 – 147.105.255.255 | 65,536 | US |
allocated | 1991-03-13 | 90a2dd786dc8… |
| 148.10.0.0 – 148.11.255.255 | 131,072 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 148.12.0.0 – 148.15.255.255 | 262,144 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 148.16.0.0 – 148.31.255.255 | 1,048,576 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 148.32.0.0 – 148.47.255.255 | 1,048,576 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 148.48.0.0 – 148.49.255.255 | 131,072 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 148.50.0.0 – 148.50.255.255 | 65,536 | US |
allocated | 1991-03-13 | 45fe880b68a8… |
| 192.31.43.0 – 192.31.43.255 | 256 | US |
allocated | 1991-03-13 | e8d4bb82379d… |
| 192.31.44.0 – 192.31.44.255 | 256 | US |
allocated | 1991-03-13 | 19e901b4d76c… |
| 192.31.45.0 – 192.31.45.255 | 256 | US |
allocated | 1991-03-13 | 9901afa0c6c1… |
| 192.31.92.0 – 192.31.92.255 | 256 | US |
allocated | 1991-03-13 | a5233c3f9c47… |
| 192.100.17.0 – 192.100.17.255 | 256 | US |
allocated | 1991-03-13 | c8042d7cd875… |
| 192.102.82.0 – 192.102.82.255 | 256 |  VI |
allocated | 1991-03-13 | e8e4beadcdd6… |
| 192.102.88.0 – 192.102.88.255 | 256 | US |
allocated | 1991-03-13 | 36461df0e4b1… |
| 192.102.90.0 – 192.102.90.255 | 256 | US |
allocated | 1991-03-13 | 53cd9e981395… |
| 147.3.0.0 – 147.3.255.255 | 65,536 | US |
allocated | 1991-03-12 | cd86ab85cc48… |
| 192.100.9.0 – 192.100.9.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.10.0 – 192.100.10.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.11.0 – 192.100.11.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.12.0 – 192.100.12.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.13.0 – 192.100.13.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.14.0 – 192.100.14.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.15.0 – 192.100.15.255 | 256 | US |
allocated | 1991-03-12 | 2d90cbf4f78e… |
| 192.100.16.0 – 192.100.16.255 | 256 | US |
allocated | 1991-03-12 | 412f305286d2… |
| 147.1.0.0 – 147.1.255.255 | 65,536 | US |
allocated | 1991-03-11 | ee1eeedd02a5… |
| 147.101.0.0 – 147.101.255.255 | 65,536 | US |
allocated | 1991-03-11 | a2cb2bcb16f1… |
| 192.75.72.0 – 192.75.72.255 | 256 | CA |
allocated | 1991-03-11 | c8bae1572cdf… |
| 192.100.3.0 – 192.100.3.255 | 256 | US |
allocated | 1991-03-11 | e8cbeb3b523d… |
| 192.100.4.0 – 192.100.4.255 | 256 | US |
allocated | 1991-03-11 | ee3320438910… |
| 192.100.6.0 – 192.100.6.255 | 256 | US |
allocated | 1991-03-11 | 7a6876cbafc0… |
| 192.100.7.0 – 192.100.7.255 | 256 | US |
allocated | 1991-03-11 | 7a6876cbafc0… |
| 192.100.8.0 – 192.100.8.255 | 256 | US |
allocated | 1991-03-11 | 7a6876cbafc0… |
| 192.101.2.0 – 192.101.2.255 | 256 | US |
allocated | 1991-03-11 | e3b8f9ea0e76… |
| 192.101.3.0 – 192.101.3.255 | 256 | US |
allocated | 1991-03-11 | 627a71c93431… |
| 192.101.6.0 – 192.101.6.255 | 256 | US |
allocated | 1991-03-11 | 5fc63faefb2d… |
| 192.101.7.0 – 192.101.7.255 | 256 | US |
allocated | 1991-03-11 | 52c3a4190297… |
| 137.51.0.0 – 137.51.255.255 | 65,536 | US |
allocated | 1991-03-08 | a173e43ca8ce… |
| 148.4.0.0 – 148.4.255.255 | 65,536 | US |
allocated | 1991-03-08 | 78220284a947… |
| 148.5.0.0 – 148.5.255.255 | 65,536 | US |
allocated | 1991-03-08 | 2c8b2bf4523d… |
| 148.8.0.0 – 148.8.255.255 | 65,536 | US |
allocated | 1991-03-08 | ab75b65e2840… |
| 148.9.0.0 – 148.9.255.255 | 65,536 | US |
allocated | 1991-03-08 | c0596c9d1e12… |
| 192.12.9.0 – 192.12.9.255 | 256 | US |
allocated | 1991-03-08 | 6154750e26cb… |
| 192.16.167.0 – 192.16.167.255 | 256 | US |
allocated | 1991-03-08 | 45fe880b68a8… |
| 192.16.175.0 – 192.16.175.255 | 256 | US |
allocated | 1991-03-08 | f35f3d727528… |
| 192.16.176.0 – 192.16.176.255 | 256 | US |
allocated | 1991-03-08 | f88aa2d1a5fd… |
| 192.31.42.0 – 192.31.42.255 | 256 | US |
allocated | 1991-03-08 | 8c6ac9f1ba66… |
| 192.102.2.0 – 192.102.2.255 | 256 | US |
allocated | 1991-03-08 | 2d90cbf4f78e… |