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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.65.149.0 – 192.65.149.255 | 256 |  US |
allocated | 1989-11-20 | 8d8b16632029… |
| 192.65.150.0 – 192.65.150.255 | 256 | US |
allocated | 1989-11-20 | e220ed812a4c… |
| 192.65.151.0 – 192.65.151.255 | 256 | US |
allocated | 1989-11-20 | 27a72a8aaac5… |
| 137.110.0.0 – 137.110.255.255 | 65,536 | US |
allocated | 1989-11-17 | 1f9a298d8ca9… |
| 192.65.142.0 – 192.65.142.255 | 256 | US |
allocated | 1989-11-17 | 8bba5f73e3f9… |
| 192.65.143.0 – 192.65.143.255 | 256 | US |
allocated | 1989-11-17 | f3c851a0425c… |
| 137.104.0.0 – 137.104.255.255 | 65,536 | US |
allocated | 1989-11-16 | 37165ff00d75… |
| 137.106.0.0 – 137.106.255.255 | 65,536 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 137.107.0.0 – 137.107.255.255 | 65,536 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 192.65.137.0 – 192.65.137.255 | 256 | US |
allocated | 1989-11-16 | 1afc31d77478… |
| 192.65.140.0 – 192.65.140.255 | 256 | US |
allocated | 1989-11-16 | cdb7d42057bd… |
| 137.98.0.0 – 137.98.255.255 | 65,536 |  CZ |
allocated | 1989-11-15 | 44fffeebf295… |
| 137.99.0.0 – 137.99.255.255 | 65,536 | US |
allocated | 1989-11-15 | 3c94a231624b… |
| 137.100.0.0 – 137.100.255.255 | 65,536 | US |
allocated | 1989-11-15 | d3cc487da4a3… |
| 137.102.0.0 – 137.102.255.255 | 65,536 | US |
allocated | 1989-11-15 | 1e8f556759f4… |
| 192.65.136.0 – 192.65.136.255 | 256 | US |
allocated | 1989-11-15 | 79446f5ee8ba… |
| 137.95.0.0 – 137.95.255.255 | 65,536 | US |
allocated | 1989-11-14 | 45fe880b68a8… |
| 192.65.135.0 – 192.65.135.255 | 256 | US |
allocated | 1989-11-14 | 878c0f5ff71c… |
| 137.94.0.0 – 137.94.255.255 | 65,536 |  CA |
allocated | 1989-11-13 | c7d7a9714b4b… |
| 192.65.99.0 – 192.65.99.255 | 256 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.100.0 – 192.65.103.255 | 1,024 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.104.0 – 192.65.111.255 | 2,048 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.112.0 – 192.65.127.255 | 4,096 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.128.0 – 192.65.128.255 | 256 | US |
allocated | 1989-11-13 | e1ed1885c9ce… |
| 192.65.129.0 – 192.65.129.255 | 256 | US |
allocated | 1989-11-13 | a6ca764f1d07… |
| 137.84.0.0 – 137.87.255.255 | 262,144 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.88.0.0 – 137.89.255.255 | 131,072 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.90.0.0 – 137.90.255.255 | 65,536 | US |
allocated | 1989-11-10 | 599f312a0aec… |
| 137.91.0.0 – 137.91.255.255 | 65,536 | US |
allocated | 1989-11-10 | ae0bb3d8e77e… |
| 192.65.98.0 – 192.65.98.255 | 256 | US |
allocated | 1989-11-10 | b233d826f439… |
| 192.67.67.0 – 192.67.67.255 | 256 | US |
allocated | 1989-11-10 | 2784ce9dbeb2… |
| 137.81.0.0 – 137.81.255.255 | 65,536 | US |
allocated | 1989-11-09 | 5e4fcac80cef… |
| 137.82.0.0 – 137.82.255.255 | 65,536 | CA |
allocated | 1989-11-09 | 9bb228eab533… |
| 192.65.97.0 – 192.65.97.255 | 256 | US |
allocated | 1989-11-09 | e0fe2ec75f7e… |
| 137.77.0.0 – 137.77.255.255 | 65,536 | US |
allocated | 1989-11-08 | 773757be2a20… |
| 137.78.0.0 – 137.78.255.255 | 65,536 | US |
allocated | 1989-11-08 | 2d90cbf4f78e… |
| 137.79.0.0 – 137.79.255.255 | 65,536 | US |
allocated | 1989-11-08 | 2d90cbf4f78e… |
| 137.80.0.0 – 137.80.255.255 | 65,536 | US |
allocated | 1989-11-08 | 45fe880b68a8… |
| 192.65.95.0 – 192.65.95.255 | 256 | US |
allocated | 1989-11-08 | d36aed7aeb09… |
| 137.75.0.0 – 137.75.63.255 | 16,384 | US |
allocated | 1989-11-07 | 634c0b076f4e… |
| 137.75.64.0 – 137.75.127.255 | 16,384 | US |
allocated | 1989-11-07 | 2fc72c3bfb52… |
| 137.75.128.0 – 137.75.255.255 | 32,768 | US |
allocated | 1989-11-07 | 634c0b076f4e… |
| 192.65.77.0 – 192.65.77.255 | 256 | US |
allocated | 1989-11-07 | 8fd6f35a8a48… |
| 192.65.78.0 – 192.65.78.255 | 256 | US |
allocated | 1989-11-07 | 8fd6f35a8a48… |
| 137.69.0.0 – 137.69.255.255 | 65,536 | US |
allocated | 1989-11-06 | 4cb61b484442… |
| 137.70.0.0 – 137.70.255.255 | 65,536 | US |
allocated | 1989-11-06 | eda92678b5ab… |
| 137.71.0.0 – 137.71.255.255 | 65,536 | US |
allocated | 1989-11-06 | bb847a07262d… |
| 137.72.0.0 – 137.72.255.255 | 65,536 | US |
allocated | 1989-11-06 | b9ea0a7c3235… |
| 192.65.72.0 – 192.65.72.255 | 256 | US |
allocated | 1989-11-06 | d1c2b260916b… |
| 192.65.73.0 – 192.65.73.255 | 256 | US |
allocated | 1989-11-06 | 4a34b9f7ce6e… |
| 192.65.74.0 – 192.65.74.255 | 256 | US |
allocated | 1989-11-06 | 4a34b9f7ce6e… |
| 192.65.75.0 – 192.65.75.255 | 256 | US |
allocated | 1989-11-06 | 7bd442ab6be5… |
| 192.65.76.0 – 192.65.76.255 | 256 | US |
allocated | 1989-11-06 | 79577141a075… |
| 137.67.0.0 – 137.67.255.255 | 65,536 | US |
allocated | 1989-11-03 | 45fe880b68a8… |
| 192.65.71.0 – 192.65.71.255 | 256 | US |
allocated | 1989-11-03 | 68d66fac32e3… |
| 128.23.0.0 – 128.23.255.255 | 65,536 | US |
allocated | 1989-11-02 | 3d3d4a4562fd… |
| 137.46.0.0 – 137.46.255.255 | 65,536 | US |
allocated | 1989-11-02 | 1e8f556759f4… |
| 137.53.0.0 – 137.53.255.255 | 65,536 | US |
allocated | 1989-11-02 | 605fc4bffa07… |
| 132.54.0.0 – 132.54.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 132.55.0.0 – 132.55.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 132.57.0.0 – 132.57.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 132.58.0.0 – 132.58.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 137.0.0.0 – 137.0.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 137.1.0.0 – 137.1.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 137.2.0.0 – 137.2.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 137.3.0.0 – 137.3.255.255 | 65,536 | US |
allocated | 1989-11-01 | 45fe880b68a8… |
| 137.48.0.0 – 137.48.255.255 | 65,536 | US |
allocated | 1989-11-01 | 08db3fcc7f4f… |
| 137.49.0.0 – 137.49.127.255 | 32,768 | US |
allocated | 1989-11-01 | ac64cc73911a… |
| 137.49.128.0 – 137.49.191.255 | 16,384 | US |
allocated | 1989-11-01 | ac64cc73911a… |
| 137.49.192.0 – 137.49.223.255 | 8,192 | US |
allocated | 1989-11-01 | ac64cc73911a… |
| 137.52.0.0 – 137.52.255.255 | 65,536 | US |
allocated | 1989-11-01 | 2a4baf4c524b… |
| 137.54.0.0 – 137.54.255.255 | 65,536 | US |
allocated | 1989-11-01 | 8c78747c6d11… |
| 137.65.0.0 – 137.65.255.255 | 65,536 | US |
allocated | 1989-11-01 | b937c22d3156… |
| 192.5.7.0 – 192.5.7.255 | 256 | US |
allocated | 1989-11-01 | cfbd850949d2… |
| 192.5.39.0 – 192.5.39.255 | 256 | US |
allocated | 1989-11-01 | f95fbaca1734… |
| 192.5.40.0 – 192.5.40.255 | 256 | US |
allocated | 1989-11-01 | ff4fb015f8c7… |
| 192.5.72.0 – 192.5.72.255 | 256 | US |
allocated | 1989-11-01 | 4c69daf136f6… |
| 192.5.103.0 – 192.5.103.255 | 256 | US |
allocated | 1989-11-01 | bfedc6143226… |
| 192.5.166.0 – 192.5.166.255 | 256 | US |
allocated | 1989-11-01 | 5ebea2d4c325… |
| 192.12.97.0 – 192.12.97.255 | 256 | US |
allocated | 1989-11-01 | bab9f5385a55… |
| 192.12.173.0 – 192.12.173.255 | 256 | US |
allocated | 1989-11-01 | fc522e552438… |
| 192.65.9.0 – 192.65.9.255 | 256 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.20.0 – 192.65.23.255 | 1,024 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.24.0 – 192.65.27.255 | 1,024 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.30.0 – 192.65.31.255 | 512 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.32.0 – 192.65.35.255 | 1,024 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.39.0 – 192.65.39.255 | 256 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.40.0 – 192.65.47.255 | 2,048 | US |
allocated | 1989-11-01 | 72e0f2ec7621… |
| 192.65.48.0 – 192.65.49.255 | 512 | US |
allocated | 1989-11-01 | aee0c5093c28… |
| 137.38.0.0 – 137.38.255.255 | 65,536 | US |
allocated | 1989-10-25 | f21130892698… |
| 137.39.0.0 – 137.39.255.255 | 65,536 | US |
allocated | 1989-10-25 | e220ed812a4c… |
| 137.42.0.0 – 137.42.255.255 | 65,536 | US |
allocated | 1989-10-25 | 01ded2cfbf92… |
| 137.45.0.0 – 137.45.255.255 | 65,536 | US |
allocated | 1989-10-25 | 7a7281e9b52f… |
| 192.58.220.0 – 192.58.220.255 | 256 | US |
allocated | 1989-10-25 | 76144c9351f4… |
| 192.58.221.0 – 192.58.221.255 | 256 | US |
allocated | 1989-10-25 | 0ff513819226… |
| 192.58.222.0 – 192.58.222.255 | 256 | US |
allocated | 1989-10-25 | f715e413c9d1… |
| 192.58.223.0 – 192.58.223.255 | 256 | US |
allocated | 1989-10-25 | 36461df0e4b1… |
| 192.58.224.0 – 192.58.224.255 | 256 | US |
allocated | 1989-10-25 | 36461df0e4b1… |
| 192.58.225.0 – 192.58.225.255 | 256 | US |
allocated | 1989-10-25 | 36461df0e4b1… |
| 192.58.230.0 – 192.58.230.255 | 256 | US |
allocated | 1989-10-25 | 45fe880b68a8… |