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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.133.69.0 – 192.133.69.255 | 256 |  US |
allocated | 1991-11-14 | 4868447c751e… |
| 192.133.70.0 – 192.133.70.255 | 256 | US |
allocated | 1991-11-14 | 0d629a80174e… |
| 155.96.0.0 – 155.96.255.255 | 65,536 | US |
allocated | 1991-11-13 | 995b29ee26f4… |
| 155.141.0.0 – 155.141.255.255 | 65,536 | US |
allocated | 1991-11-13 | 45fe880b68a8… |
| 155.142.0.0 – 155.142.255.255 | 65,536 | US |
allocated | 1991-11-13 | 39f75bb359c4… |
| 192.132.64.0 – 192.132.64.255 | 256 | US |
allocated | 1991-11-13 | 33ae4437560d… |
| 192.132.65.0 – 192.132.65.255 | 256 | US |
allocated | 1991-11-13 | f012b4733cde… |
| 192.132.66.0 – 192.132.66.255 | 256 | US |
allocated | 1991-11-13 | a4c59397ca8a… |
| 192.132.68.0 – 192.132.68.255 | 256 | US |
allocated | 1991-11-13 | a4c59397ca8a… |
| 192.132.69.0 – 192.132.69.255 | 256 | US |
allocated | 1991-11-13 | a4c59397ca8a… |
| 192.132.70.0 – 192.132.70.255 | 256 | US |
allocated | 1991-11-13 | 5ac57fc8358c… |
| 192.132.73.0 – 192.132.73.255 | 256 | US |
allocated | 1991-11-13 | acfc4932ac54… |
| 192.132.74.0 – 192.132.74.255 | 256 | US |
allocated | 1991-11-13 | acfc4932ac54… |
| 192.133.65.0 – 192.133.65.255 | 256 | US |
allocated | 1991-11-13 | 545f36a0822a… |
| 155.138.0.0 – 155.138.63.255 | 16,384 | US |
allocated | 1991-11-12 | 3b8db66fbd09… |
| 155.139.0.0 – 155.139.255.255 | 65,536 | US |
allocated | 1991-11-12 | 8db9ff043c02… |
| 192.132.42.0 – 192.132.42.255 | 256 | US |
allocated | 1991-11-12 | aecb0410920c… |
| 192.132.43.0 – 192.132.43.255 | 256 | US |
allocated | 1991-11-12 | 815df97b845b… |
| 192.132.45.0 – 192.132.45.255 | 256 | US |
allocated | 1991-11-12 | 80e42eca322b… |
| 192.132.46.0 – 192.132.46.255 | 256 | US |
allocated | 1991-11-12 | e0c8db83beed… |
| 192.132.47.0 – 192.132.47.255 | 256 | US |
allocated | 1991-11-12 | 393dceb94f2c… |
| 192.132.48.0 – 192.132.48.255 | 256 | US |
allocated | 1991-11-12 | dc2c88ecb8d5… |
| 192.132.49.0 – 192.132.49.255 | 256 | US |
allocated | 1991-11-12 | 491420aafeb3… |
| 192.132.50.0 – 192.132.50.255 | 256 | US |
allocated | 1991-11-12 | abe085a62951… |
| 192.132.51.0 – 192.132.51.255 | 256 | US |
allocated | 1991-11-12 | 15bb1b57390d… |
| 192.132.52.0 – 192.132.52.255 | 256 | US |
allocated | 1991-11-12 | 8543f460fc98… |
| 192.132.54.0 – 192.132.54.255 | 256 | US |
allocated | 1991-11-12 | c2ba18e2d209… |
| 192.132.57.0 – 192.132.57.255 | 256 | US |
allocated | 1991-11-12 | e280455a3034… |
| 192.132.58.0 – 192.132.58.255 | 256 | US |
allocated | 1991-11-12 | 9d27e178f904… |
| 192.132.60.0 – 192.132.60.255 | 256 |  CA |
allocated | 1991-11-12 | da74ff36f48f… |
| 155.135.0.0 – 155.135.255.255 | 65,536 | US |
allocated | 1991-11-08 | 2992ae1b86c5… |
| 192.132.36.0 – 192.132.36.255 | 256 | US |
allocated | 1991-11-08 | 39f75bb359c4… |
| 192.132.38.0 – 192.132.38.255 | 256 | US |
allocated | 1991-11-08 | 39f75bb359c4… |
| 192.133.62.0 – 192.133.62.255 | 256 | US |
allocated | 1991-11-08 | a1f914c6c769… |
| 192.133.63.0 – 192.133.63.255 | 256 | US |
allocated | 1991-11-08 | a1f914c6c769… |
| 155.107.0.0 – 155.107.255.255 | 65,536 | US |
allocated | 1991-11-07 | cead22c65801… |
| 156.20.0.0 – 156.20.255.255 | 65,536 | US |
allocated | 1991-11-07 | eec813086fe3… |
| 192.132.16.0 – 192.132.16.255 | 256 | US |
allocated | 1991-11-07 | 45fe880b68a8… |
| 192.132.17.0 – 192.132.17.255 | 256 | US |
allocated | 1991-11-07 | 45fe880b68a8… |
| 192.132.18.0 – 192.132.18.255 | 256 | US |
allocated | 1991-11-07 | 45fe880b68a8… |
| 192.132.23.0 – 192.132.23.255 | 256 | US |
allocated | 1991-11-07 | 8f76d80d54e8… |
| 192.132.24.0 – 192.132.24.255 | 256 | US |
allocated | 1991-11-07 | 8f76d80d54e8… |
| 192.132.25.0 – 192.132.25.255 | 256 | US |
allocated | 1991-11-07 | 8f76d80d54e8… |
| 192.132.26.0 – 192.132.26.255 | 256 | US |
allocated | 1991-11-07 | 8f76d80d54e8… |
| 192.132.29.0 – 192.132.29.255 | 256 | US |
allocated | 1991-11-07 | d0c34c113d45… |
| 192.133.52.0 – 192.133.52.255 | 256 | US |
allocated | 1991-11-07 | ff165fc5acb6… |
| 192.133.56.0 – 192.133.56.255 | 256 | US |
allocated | 1991-11-07 | 1376df04a526… |
| 192.133.57.0 – 192.133.57.255 | 256 | US |
allocated | 1991-11-07 | 2f662f4ee128… |
| 192.133.59.0 – 192.133.59.255 | 256 | US |
allocated | 1991-11-07 | 393c05736106… |
| 192.133.60.0 – 192.133.60.255 | 256 | US |
allocated | 1991-11-07 | 15377a2b0a6b… |
| 192.133.61.0 – 192.133.61.255 | 256 | US |
allocated | 1991-11-07 | b004b3ecde24… |
| 155.64.0.0 – 155.64.255.255 | 65,536 | US |
allocated | 1991-11-06 | 525d21a3f16c… |
| 192.132.20.0 – 192.132.20.255 | 256 | US |
allocated | 1991-11-06 | 180ba311d698… |
| 192.132.21.0 – 192.132.21.255 | 256 | US |
allocated | 1991-11-06 | 180ba311d698… |
| 192.132.22.0 – 192.132.22.255 | 256 | US |
allocated | 1991-11-06 | a6dacaef6651… |
| 192.133.34.0 – 192.133.34.255 | 256 | US |
allocated | 1991-11-06 | e4aa52cf3d50… |
| 192.133.35.0 – 192.133.35.255 | 256 | US |
allocated | 1991-11-06 | 62347ee78732… |
| 192.133.37.0 – 192.133.37.255 | 256 | US |
allocated | 1991-11-06 | 3ff89f949053… |
| 192.133.38.0 – 192.133.38.255 | 256 | US |
allocated | 1991-11-06 | f82612d32400… |
| 192.133.39.0 – 192.133.39.255 | 256 | US |
allocated | 1991-11-06 | 785a1e256fca… |
| 192.133.40.0 – 192.133.40.255 | 256 | US |
allocated | 1991-11-06 | 678c19fef909… |
| 192.133.42.0 – 192.133.42.255 | 256 | US |
allocated | 1991-11-06 | 67d6a46cc2c9… |
| 192.133.44.0 – 192.133.44.255 | 256 | US |
allocated | 1991-11-06 | 0139ad092e3d… |
| 192.133.46.0 – 192.133.46.255 | 256 | US |
allocated | 1991-11-06 | b86cb06718c7… |
| 192.133.48.0 – 192.133.48.255 | 256 | US |
allocated | 1991-11-06 | df580d7d1cdf… |
| 192.133.50.0 – 192.133.50.255 | 256 | US |
allocated | 1991-11-06 | 5a3a9300fec8… |
| 192.133.51.0 – 192.133.51.255 | 256 | US |
allocated | 1991-11-06 | e43f12c6ea05… |
| 155.106.0.0 – 155.106.255.255 | 65,536 | US |
allocated | 1991-11-05 | b1f978c0b358… |
| 155.108.0.0 – 155.108.255.255 | 65,536 | US |
allocated | 1991-11-05 | 467809dd288a… |
| 155.110.0.0 – 155.110.255.255 | 65,536 | US |
allocated | 1991-11-05 | cf768b3649eb… |
| 192.132.7.0 – 192.132.7.255 | 256 | US |
allocated | 1991-11-05 | cd29ecee3239… |
| 192.132.12.0 – 192.132.12.255 | 256 | US |
allocated | 1991-11-05 | fa011a790708… |
| 192.132.13.0 – 192.132.13.255 | 256 | US |
allocated | 1991-11-05 | 65992a6907e9… |
| 192.132.14.0 – 192.132.14.255 | 256 | US |
allocated | 1991-11-05 | 7a605b2c4c9b… |
| 192.133.33.0 – 192.133.33.255 | 256 | US |
allocated | 1991-11-05 | ad7f65cf510f… |
| 192.132.4.0 – 192.132.4.255 | 256 | US |
allocated | 1991-11-04 | 2cf3c6911ad9… |
| 155.97.0.0 – 155.97.255.255 | 65,536 | US |
allocated | 1991-11-01 | ce48cbd2051d… |
| 155.98.0.0 – 155.98.255.255 | 65,536 | US |
allocated | 1991-11-01 | ce48cbd2051d… |
| 155.99.0.0 – 155.99.255.255 | 65,536 | US |
allocated | 1991-11-01 | ce48cbd2051d… |
| 155.100.0.0 – 155.100.255.255 | 65,536 | US |
allocated | 1991-11-01 | ce48cbd2051d… |
| 155.101.0.0 – 155.101.255.255 | 65,536 | US |
allocated | 1991-11-01 | ce48cbd2051d… |
| 155.104.0.0 – 155.104.255.255 | 65,536 | US |
allocated | 1991-11-01 | a173e43ca8ce… |
| 156.11.0.0 – 156.11.255.255 | 65,536 | CA |
allocated | 1991-11-01 | 9ed7c221a1db… |
| 192.131.145.0 – 192.131.145.255 | 256 | US |
allocated | 1991-11-01 | 45fe880b68a8… |
| 192.131.254.0 – 192.131.254.255 | 256 | US |
allocated | 1991-11-01 | 987112c38fdb… |
| 192.132.2.0 – 192.132.2.255 | 256 | US |
allocated | 1991-11-01 | 33ad3484e0d1… |
| 192.132.3.0 – 192.132.3.255 | 256 | US |
allocated | 1991-11-01 | 05b8ddf8a3bb… |
| 192.133.25.0 – 192.133.25.255 | 256 | US |
allocated | 1991-11-01 | bdec8a408440… |
| 192.133.29.0 – 192.133.29.255 | 256 | US |
allocated | 1991-11-01 | 2fc72c3bfb52… |
| 155.53.128.0 – 155.53.255.255 | 32,768 | US |
allocated | 1991-10-31 | 41d606401cb6… |
| 155.67.0.0 – 155.67.255.255 | 65,536 | US |
allocated | 1991-10-31 | fd0b6454f6d2… |
| 155.90.0.0 – 155.90.255.255 | 65,536 | US |
allocated | 1991-10-31 | 87addbbc9c1a… |
| 155.91.0.0 – 155.91.255.255 | 65,536 | US |
allocated | 1991-10-31 | be93f006e4f9… |
| 155.92.0.0 – 155.92.255.255 | 65,536 | US |
allocated | 1991-10-31 | ab387bcf23e1… |
| 155.94.0.0 – 155.94.63.255 | 16,384 | US |
allocated | 1991-10-31 | bcc108b6991b… |
| 155.95.0.0 – 155.95.255.255 | 65,536 | US |
allocated | 1991-10-31 | 61efc8c8208c… |
| 156.6.0.0 – 156.6.255.255 | 65,536 | US |
allocated | 1991-10-31 | 45fe880b68a8… |
| 192.131.232.0 – 192.131.232.255 | 256 | US |
allocated | 1991-10-31 | c8ea570e1e86… |
| 192.131.243.0 – 192.131.243.255 | 256 | US |
allocated | 1991-10-31 | 9550cd478c81… |
| 192.131.244.0 – 192.131.244.255 | 256 | US |
allocated | 1991-10-31 | 9550cd478c81… |