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
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.55.126.0 – 192.55.126.255 | 256 |  US |
allocated | 1989-08-02 | 53a8eea90c31… |
| 192.55.127.0 – 192.55.127.255 | 256 | US |
allocated | 1989-08-02 | b9218610ffda… |
| 192.55.122.0 – 192.55.123.255 | 512 | US |
allocated | 1989-08-01 | 0a620c98f732… |
| 192.55.124.0 – 192.55.124.255 | 256 | US |
allocated | 1989-08-01 | 0a620c98f732… |
| 134.223.0.0 – 134.223.255.255 | 65,536 | US |
allocated | 1989-07-31 | a173e43ca8ce… |
| 137.236.0.0 – 137.236.255.255 | 65,536 |  CA |
allocated | 1989-07-31 | a2eba22c6c42… |
| 192.55.121.0 – 192.55.121.255 | 256 | US |
allocated | 1989-07-31 | 4878e3113124… |
| 192.55.116.0 – 192.55.116.255 | 256 | US |
allocated | 1989-07-28 | 45fe880b68a8… |
| 192.55.117.0 – 192.55.117.255 | 256 | US |
allocated | 1989-07-28 | 45fe880b68a8… |
| 192.55.114.0 – 192.55.114.255 | 256 | US |
allocated | 1989-07-27 | e0fe2ec75f7e… |
| 132.208.0.0 – 132.208.255.255 | 65,536 | CA |
allocated | 1989-07-25 | 58859ef72677… |
| 134.215.0.0 – 134.215.255.255 | 65,536 | US |
allocated | 1989-07-25 | 1a884b3335cc… |
| 134.216.0.0 – 134.216.255.255 | 65,536 | US |
allocated | 1989-07-25 | a3edb66a5e6a… |
| 134.217.0.0 – 134.217.255.255 | 65,536 | US |
allocated | 1989-07-25 | 4c4e5899a8a8… |
| 134.218.0.0 – 134.218.255.255 | 65,536 | US |
allocated | 1989-07-25 | 20cd1178e946… |
| 134.210.0.0 – 134.210.255.255 | 65,536 | US |
allocated | 1989-07-24 | 8d0f20edc573… |
| 192.26.210.0 – 192.26.210.255 | 256 | CA |
allocated | 1989-07-24 | 44bca3813bb1… |
| 192.55.113.0 – 192.55.113.255 | 256 | US |
allocated | 1989-07-24 | f3ec16653267… |
| 134.207.0.0 – 134.207.255.255 | 65,536 | US |
allocated | 1989-07-21 | 45fe880b68a8… |
| 192.55.111.0 – 192.55.111.255 | 256 | US |
allocated | 1989-07-21 | 3073aee4b513… |
| 134.204.128.0 – 134.204.255.255 | 32,768 | US |
allocated | 1989-07-20 | 1af6f5e38c00… |
| 134.205.0.0 – 134.205.255.255 | 65,536 | US |
allocated | 1989-07-20 | 45fe880b68a8… |
| 192.55.106.0 – 192.55.106.255 | 256 | US |
allocated | 1989-07-20 | a218d196eaf3… |
| 192.55.107.0 – 192.55.107.255 | 256 | US |
allocated | 1989-07-20 | c4e429251d28… |
| 192.55.108.0 – 192.55.108.255 | 256 | US |
allocated | 1989-07-20 | 36461df0e4b1… |
| 131.133.0.0 – 131.133.255.255 | 65,536 | CA |
allocated | 1989-07-19 | c8bae1572cdf… |
| 134.202.0.0 – 134.202.255.255 | 65,536 |  PR |
allocated | 1989-07-19 | 8a1f837a9d54… |
| 192.16.207.0 – 192.16.207.255 | 256 | CA |
allocated | 1989-07-19 | c8bae1572cdf… |
| 192.16.208.0 – 192.16.208.255 | 256 | CA |
allocated | 1989-07-19 | c8bae1572cdf… |
| 131.39.0.0 – 131.39.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 131.59.0.0 – 131.59.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 131.62.0.0 – 131.62.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 132.17.0.0 – 132.17.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 132.21.0.0 – 132.21.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 132.34.0.0 – 132.34.255.255 | 65,536 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 192.55.103.0 – 192.55.103.255 | 256 | US |
allocated | 1989-07-18 | 45fe880b68a8… |
| 131.58.0.0 – 131.58.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 131.61.0.0 – 131.61.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.9.0.0 – 132.9.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.12.0.0 – 132.12.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.13.0.0 – 132.13.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.14.0.0 – 132.14.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.16.0.0 – 132.16.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 132.45.0.0 – 132.45.255.255 | 65,536 | US |
allocated | 1989-07-17 | 45fe880b68a8… |
| 134.200.0.0 – 134.200.255.255 | 65,536 | US |
allocated | 1989-07-17 | f13b64801334… |
| 134.201.0.0 – 134.201.255.255 | 65,536 | US |
allocated | 1989-07-17 | d07bce37e3d8… |
| 192.55.102.0 – 192.55.102.255 | 256 | US |
allocated | 1989-07-17 | 5b7c3e210aad… |
| 192.55.100.0 – 192.55.100.255 | 256 | US |
allocated | 1989-07-14 | 45fe880b68a8… |
| 132.15.0.0 – 132.15.255.255 | 65,536 | US |
allocated | 1989-07-13 | 45fe880b68a8… |
| 134.197.0.0 – 134.197.255.255 | 65,536 | US |
allocated | 1989-07-13 | 8c525a8d12c6… |
| 134.198.0.0 – 134.198.255.255 | 65,536 | US |
allocated | 1989-07-13 | 85f78089580d… |
| 134.199.32.0 – 134.199.35.255 | 1,024 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.36.0 – 134.199.37.255 | 512 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.38.0 – 134.199.38.255 | 256 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.45.0 – 134.199.45.255 | 256 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.46.0 – 134.199.47.255 | 512 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.52.0 – 134.199.53.255 | 512 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 134.199.58.0 – 134.199.59.255 | 512 | CA |
allocated | 1989-07-13 | dddd79714d47… |
| 192.55.97.0 – 192.55.97.255 | 256 | US |
allocated | 1989-07-13 | 91a264b2daf9… |
| 192.55.95.0 – 192.55.95.255 | 256 | US |
allocated | 1989-07-12 | 5f9f4232d887… |
| 192.55.90.0 – 192.55.90.255 | 256 | US |
allocated | 1989-07-11 | 2d90cbf4f78e… |
| 192.55.91.0 – 192.55.91.255 | 256 | US |
allocated | 1989-07-11 | 2d90cbf4f78e… |
| 134.186.0.0 – 134.186.255.255 | 65,536 | US |
allocated | 1989-07-10 | f35f3d727528… |
| 134.187.0.0 – 134.187.255.255 | 65,536 | US |
allocated | 1989-07-10 | f35f3d727528… |
| 134.189.0.0 – 134.189.255.255 | 65,536 | US |
allocated | 1989-07-10 | 0596821a6910… |
| 192.55.87.0 – 192.55.87.255 | 256 | US |
allocated | 1989-07-10 | e28ac577ae04… |
| 192.55.88.0 – 192.55.88.255 | 256 | US |
allocated | 1989-07-10 | ade3192fa716… |
| 192.55.86.0 – 192.55.86.255 | 256 | US |
allocated | 1989-07-07 | 6b0da0638136… |
| 134.182.0.0 – 134.182.255.255 | 65,536 | US |
allocated | 1989-07-03 | 45fe880b68a8… |
| 140.199.0.0 – 140.199.255.255 | 65,536 | US |
allocated | 1989-07-03 | 45fe880b68a8… |
| 134.179.0.0 – 134.179.255.255 | 65,536 | US |
allocated | 1989-07-01 | a961307ac24b… |
| 134.181.0.0 – 134.181.255.255 | 65,536 | US |
allocated | 1989-07-01 | 42e7de482a85… |
| 192.57.0.0 – 192.57.255.255 | 65,536 | US |
allocated | 1989-07-01 | 161fb0fc33bc… |
| 132.207.0.0 – 132.207.255.255 | 65,536 | CA |
allocated | 1989-06-28 | 5e8ce58f6529… |
| 192.54.249.0 – 192.54.249.255 | 256 | US |
allocated | 1989-06-28 | e8d4bb82379d… |
| 134.172.0.0 – 134.172.255.255 | 65,536 | US |
allocated | 1989-06-27 | 19d9217fb886… |
| 134.173.0.0 – 134.173.255.255 | 65,536 | US |
allocated | 1989-06-27 | 740dfc387ec8… |
| 134.174.0.0 – 134.174.255.255 | 65,536 | US |
allocated | 1989-06-27 | 4728ebdb8f85… |
| 192.54.248.0 – 192.54.248.255 | 256 | US |
allocated | 1989-06-27 | c64556907511… |
| 192.56.0.0 – 192.56.7.255 | 2,048 | US |
allocated | 1989-06-27 | 1dd16a9498bc… |
| 192.56.8.0 – 192.56.15.255 | 2,048 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.16.0 – 192.56.19.255 | 1,024 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.20.0 – 192.56.20.255 | 256 | US |
allocated | 1989-06-27 | 1e6aecf01600… |
| 192.56.21.0 – 192.56.21.255 | 256 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.22.0 – 192.56.22.255 | 256 | US |
allocated | 1989-06-27 | 1e6aecf01600… |
| 192.56.23.0 – 192.56.23.255 | 256 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.24.0 – 192.56.24.255 | 256 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.25.0 – 192.56.25.255 | 256 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.26.0 – 192.56.26.255 | 256 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.27.0 – 192.56.27.255 | 256 | US |
allocated | 1989-06-27 | 161fb0fc33bc… |
| 192.56.28.0 – 192.56.31.255 | 1,024 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.32.0 – 192.56.35.255 | 1,024 | US |
allocated | 1989-06-27 | d421c651a84f… |
| 192.56.36.0 – 192.56.36.255 | 256 | US |
allocated | 1989-06-27 | 501eb4ea8218… |
| 192.56.37.0 – 192.56.37.255 | 256 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.38.0 – 192.56.39.255 | 512 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.40.0 – 192.56.47.255 | 2,048 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.48.0 – 192.56.63.255 | 4,096 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.64.0 – 192.56.71.255 | 2,048 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.72.0 – 192.56.73.255 | 512 | US |
allocated | 1989-06-27 | 4a34b9f7ce6e… |
| 192.56.74.0 – 192.56.75.255 | 512 | US |
allocated | 1989-06-27 | 501eb4ea8218… |