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
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.12.210.0 – 192.12.210.255 | 256 |  US |
allocated | 1987-12-18 | 45fe880b68a8… |
| 192.12.248.0 – 192.12.248.255 | 256 | US |
allocated | 1987-12-18 | 05f7a8f8ea11… |
| 192.12.249.0 – 192.12.249.255 | 256 | US |
allocated | 1987-12-18 | 05f7a8f8ea11… |
| 192.12.208.0 – 192.12.208.255 | 256 | US |
allocated | 1987-12-17 | d36aed7aeb09… |
| 192.12.209.0 – 192.12.209.255 | 256 | US |
allocated | 1987-12-17 | ffb21d106bd0… |
| 129.139.0.0 – 129.139.255.255 | 65,536 | US |
allocated | 1987-12-15 | 45fe880b68a8… |
| 192.12.100.0 – 192.12.100.255 | 256 | US |
allocated | 1987-12-15 | 45fe880b68a8… |
| 128.143.0.0 – 128.143.255.255 | 65,536 | US |
allocated | 1987-12-14 | 8c78747c6d11… |
| 129.137.0.0 – 129.137.255.255 | 65,536 | US |
allocated | 1987-12-14 | 80677942e1b9… |
| 129.138.0.0 – 129.138.255.255 | 65,536 | US |
allocated | 1987-12-14 | 09e8e3f0d61a… |
| 192.12.98.0 – 192.12.98.255 | 256 |  CA |
allocated | 1987-12-11 | c8bae1572cdf… |
| 192.12.95.0 – 192.12.95.255 | 256 | US |
allocated | 1987-12-09 | d7c40d04f568… |
| 129.131.0.0 – 129.131.255.255 | 65,536 | US |
allocated | 1987-12-08 | 45fe880b68a8… |
| 129.133.0.0 – 129.133.127.255 | 32,768 | US |
allocated | 1987-12-08 | 88d4e46ec289… |
| 129.133.128.0 – 129.133.191.255 | 16,384 | US |
allocated | 1987-12-08 | 88d4e46ec289… |
| 131.225.0.0 – 131.225.255.255 | 65,536 | US |
allocated | 1987-12-08 | 2a774c665a53… |
| 192.33.140.0 – 192.33.140.255 | 256 | US |
allocated | 1987-12-08 | 951c629f8577… |
| 192.33.141.0 – 192.33.141.255 | 256 | US |
allocated | 1987-12-08 | 951c629f8577… |
| 192.33.142.0 – 192.33.142.255 | 256 | US |
allocated | 1987-12-08 | 951c629f8577… |
| 129.130.0.0 – 129.130.255.255 | 65,536 | US |
allocated | 1987-12-04 | 0a40a6588bbe… |
| 192.31.113.0 – 192.31.113.255 | 256 | US |
allocated | 1987-12-04 | 0ae3de01671f… |
| 128.90.0.0 – 128.90.255.255 | 65,536 | US |
allocated | 1987-12-03 | c52722081296… |
| 192.33.128.0 – 192.33.128.255 | 256 | US |
allocated | 1987-12-02 | 2d008eb98b45… |
| 129.123.0.0 – 129.123.255.255 | 65,536 | US |
allocated | 1987-12-01 | eba2f00522d6… |
| 129.124.0.0 – 129.124.255.255 | 65,536 | US |
allocated | 1987-12-01 | 850951f58947… |
| 129.128.0.0 – 129.128.255.255 | 65,536 | CA |
allocated | 1987-12-01 | ccab18ecb6e2… |
| 128.205.0.0 – 128.205.255.255 | 65,536 | US |
allocated | 1987-11-18 | 1a89c81f0a99… |
| 128.206.0.0 – 128.206.255.255 | 65,536 | US |
allocated | 1987-11-18 | 4f3edfa87251… |
| 192.12.93.0 – 192.12.93.255 | 256 | US |
allocated | 1987-11-13 | 4c4da519e427… |
| 192.33.117.0 – 192.33.117.255 | 256 | US |
allocated | 1987-11-11 | c8ea570e1e86… |
| 129.98.0.0 – 129.98.255.255 | 65,536 | US |
allocated | 1987-11-10 | 273a5e2c8f5f… |
| 129.105.0.0 – 129.105.255.255 | 65,536 | US |
allocated | 1987-11-10 | 03772d84e56b… |
| 129.106.0.0 – 129.106.255.255 | 65,536 | US |
allocated | 1987-11-06 | 6a1cd481d7fb… |
| 129.107.0.0 – 129.107.255.255 | 65,536 | US |
allocated | 1987-11-06 | db4595c6aef7… |
| 129.109.0.0 – 129.109.255.255 | 65,536 | US |
allocated | 1987-11-06 | b31a9f192cf4… |
| 129.110.0.0 – 129.110.255.255 | 65,536 | US |
allocated | 1987-11-06 | 8de279b2f3f0… |
| 129.111.0.0 – 129.111.255.255 | 65,536 | US |
allocated | 1987-11-06 | 28cf4d3df16e… |
| 129.112.0.0 – 129.112.255.255 | 65,536 | US |
allocated | 1987-11-06 | 39319c22f53f… |
| 129.113.0.0 – 129.113.255.255 | 65,536 | US |
allocated | 1987-11-06 | 6aca874d1444… |
| 129.114.0.0 – 129.114.255.255 | 65,536 | US |
allocated | 1987-11-06 | 5942bda53f50… |
| 129.116.0.0 – 129.116.255.255 | 65,536 | US |
allocated | 1987-11-06 | ca6a9d04dac1… |
| 129.118.0.0 – 129.118.255.255 | 65,536 | US |
allocated | 1987-11-06 | 5ef2d312c6c4… |
| 129.119.0.0 – 129.119.255.255 | 65,536 | US |
allocated | 1987-11-06 | 6ef97b5e4c7f… |
| 129.120.0.0 – 129.120.255.255 | 65,536 | US |
allocated | 1987-11-06 | d681271b3d89… |
| 192.33.21.0 – 192.33.21.255 | 256 | US |
allocated | 1987-11-05 | 1c782a13f937… |
| 192.31.181.0 – 192.31.181.255 | 256 | US |
allocated | 1987-11-03 | 195c7b58039e… |
| 192.31.191.0 – 192.31.191.255 | 256 | US |
allocated | 1987-11-03 | dc4cb7a599e4… |
| 192.33.19.0 – 192.33.19.255 | 256 | US |
allocated | 1987-11-03 | 0555c9ccec3f… |
| 192.33.20.0 – 192.33.20.255 | 256 | US |
allocated | 1987-11-03 | 396c983d4290… |
| 129.100.0.0 – 129.100.255.255 | 65,536 | CA |
allocated | 1987-10-27 | ee5fd35e438b… |
| 192.33.13.0 – 192.33.13.255 | 256 | US |
allocated | 1987-10-26 | 45fe880b68a8… |
| 129.97.0.0 – 129.97.255.255 | 65,536 | CA |
allocated | 1987-10-25 | e5f8ae47ad61… |
| 129.99.0.0 – 129.99.255.255 | 65,536 | US |
allocated | 1987-10-25 | 2d90cbf4f78e… |
| 192.33.3.0 – 192.33.3.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.4.0 – 192.33.4.255 | 256 | US |
allocated | 1987-10-22 | 37fe01d6d027… |
| 192.33.5.0 – 192.33.5.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.6.0 – 192.33.6.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.7.0 – 192.33.7.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.8.0 – 192.33.8.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.9.0 – 192.33.9.255 | 256 | US |
allocated | 1987-10-22 | 45fe880b68a8… |
| 192.33.12.0 – 192.33.12.255 | 256 | US |
allocated | 1987-10-22 | dd2086d3d24a… |
| 129.91.0.0 – 129.91.255.255 | 65,536 | US |
allocated | 1987-10-16 | ace55d4dc090… |
| 129.92.0.0 – 129.92.255.255 | 65,536 | US |
allocated | 1987-10-16 | 45fe880b68a8… |
| 129.83.0.0 – 129.83.255.255 | 65,536 | US |
allocated | 1987-10-15 | e46d50b27c27… |
| 129.84.0.0 – 129.84.255.255 | 65,536 | US |
allocated | 1987-10-15 | 5f6095e5c918… |
| 129.85.0.0 – 129.85.255.255 | 65,536 | US |
allocated | 1987-10-15 | adbcede530a9… |
| 129.86.0.0 – 129.86.255.255 | 65,536 | US |
allocated | 1987-10-15 | 58a1842e4fc7… |
| 129.87.0.0 – 129.87.255.255 | 65,536 | US |
allocated | 1987-10-15 | d8d7984745a8… |
| 129.89.0.0 – 129.89.255.255 | 65,536 | US |
allocated | 1987-10-15 | c6f625721eec… |
| 129.81.0.0 – 129.81.255.255 | 65,536 | US |
allocated | 1987-10-11 | 1530af5152e6… |
| 129.82.0.0 – 129.82.255.255 | 65,536 | US |
allocated | 1987-10-11 | e6fd339d7ca6… |
| 129.80.0.0 – 129.80.255.255 | 65,536 | US |
allocated | 1987-10-09 | ace55d4dc090… |
| 192.31.247.0 – 192.31.247.255 | 256 | US |
allocated | 1987-10-09 | 8af51805f846… |
| 192.31.250.0 – 192.31.250.255 | 256 | US |
allocated | 1987-10-09 | cee82f83f5e1… |
| 192.31.253.0 – 192.31.253.255 | 256 | US |
allocated | 1987-10-09 | 03772d84e56b… |
| 192.31.254.0 – 192.31.254.255 | 256 | US |
allocated | 1987-10-09 | b519a4c43953… |
| 192.33.2.0 – 192.33.2.255 | 256 | US |
allocated | 1987-10-09 | 68597a1a86da… |
| 192.33.37.0 – 192.33.37.255 | 256 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.38.0 – 192.33.39.255 | 512 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.40.0 – 192.33.47.255 | 2,048 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.48.0 – 192.33.63.255 | 4,096 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.64.0 – 192.33.79.255 | 4,096 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.80.0 – 192.33.83.255 | 1,024 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.84.0 – 192.33.85.255 | 512 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.33.86.0 – 192.33.86.255 | 256 | US |
allocated | 1987-10-08 | e1ed1885c9ce… |
| 192.31.248.0 – 192.31.248.255 | 256 | US |
allocated | 1987-10-04 | 511940fba711… |
| 192.31.249.0 – 192.31.249.255 | 256 | US |
allocated | 1987-10-04 | dec128ff6f4c… |
| 129.79.0.0 – 129.79.255.255 | 65,536 | US |
allocated | 1987-10-02 | 6130c4b96fdd… |
| 192.33.33.0 – 192.33.33.255 | 256 | US |
allocated | 1987-09-30 | 2784ce9dbeb2… |
| 192.33.35.0 – 192.33.35.255 | 256 | US |
allocated | 1987-09-30 | 2f87fb0bfbf9… |
| 129.76.0.0 – 129.76.255.255 | 65,536 | US |
allocated | 1987-09-25 | f4bbbc91e7ce… |
| 192.31.241.0 – 192.31.241.255 | 256 | US |
allocated | 1987-09-24 | 2d90cbf4f78e… |
| 192.31.238.0 – 192.31.238.255 | 256 | US |
allocated | 1987-09-23 | 45fe880b68a8… |
| 192.31.239.0 – 192.31.239.255 | 256 | US |
allocated | 1987-09-23 | 45fe880b68a8… |
| 129.71.0.0 – 129.71.255.255 | 65,536 | US |
allocated | 1987-09-22 | 5584802f8691… |
| 129.72.0.0 – 129.72.255.255 | 65,536 | US |
allocated | 1987-09-22 | f3c851a0425c… |
| 192.31.235.0 – 192.31.235.255 | 256 | US |
allocated | 1987-09-22 | ee26b48ac5e2… |
| 192.31.236.0 – 192.31.236.255 | 256 | US |
allocated | 1987-09-22 | b7f4dbefd517… |
| 192.31.233.0 – 192.31.233.255 | 256 | US |
allocated | 1987-09-19 | ae4602ef189f… |
| 192.31.232.0 – 192.31.232.255 | 256 | US |
allocated | 1987-09-16 | 1487df4fd17d… |