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 |
|---|---|---|---|---|---|
| 192.52.96.0 – 192.52.96.255 | 256 |  US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.97.0 – 192.52.97.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.98.0 – 192.52.98.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.99.0 – 192.52.99.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.100.0 – 192.52.100.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.101.0 – 192.52.101.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.102.0 – 192.52.102.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.103.0 – 192.52.103.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.104.0 – 192.52.104.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.105.0 – 192.52.105.255 | 256 | US |
allocated | 1989-04-07 | 2d90cbf4f78e… |
| 192.52.70.0 – 192.52.70.255 | 256 | US |
allocated | 1989-04-06 | d36aed7aeb09… |
| 192.52.71.0 – 192.52.71.255 | 256 | US |
allocated | 1989-04-06 | e5e3b9c13678… |
| 132.250.0.0 – 132.250.255.255 | 65,536 | US |
allocated | 1989-04-05 | 45fe880b68a8… |
| 132.253.0.0 – 132.253.255.255 | 65,536 | US |
allocated | 1989-04-05 | 7d4cf0f4229d… |
| 192.52.61.0 – 192.52.61.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 192.52.62.0 – 192.52.62.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 192.52.63.0 – 192.52.63.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 192.52.64.0 – 192.52.64.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 192.52.65.0 – 192.52.65.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 192.52.66.0 – 192.52.66.255 | 256 | US |
allocated | 1989-04-04 | a494e01d5cc0… |
| 131.132.0.0 – 131.132.255.255 | 65,536 |  CA |
allocated | 1989-04-03 | c8bae1572cdf… |
| 132.249.0.0 – 132.249.255.255 | 65,536 | US |
allocated | 1989-04-03 | abca6759f071… |
| 192.5.41.0 – 192.5.41.255 | 256 | US |
allocated | 1989-03-31 | 45fe880b68a8… |
| 192.5.42.0 – 192.5.42.255 | 256 | US |
allocated | 1989-03-31 | 45fe880b68a8… |
| 192.5.238.0 – 192.5.238.255 | 256 | US |
allocated | 1989-03-31 | 7c5e0595994e… |
| 132.246.0.0 – 132.246.255.255 | 65,536 | CA |
allocated | 1989-03-30 | c8bae1572cdf… |
| 192.5.15.0 – 192.5.15.255 | 256 | US |
allocated | 1989-03-30 | e406ca077fe3… |
| 192.48.254.0 – 192.48.254.255 | 256 | US |
allocated | 1989-03-30 | 82c44058974a… |
| 132.241.0.0 – 132.241.255.255 | 65,536 | US |
allocated | 1989-03-29 | 8052f365a9a6… |
| 132.242.0.0 – 132.242.255.255 | 65,536 | US |
allocated | 1989-03-29 | dc46197e5069… |
| 132.243.32.0 – 132.243.63.255 | 8,192 | US |
allocated | 1989-03-29 | dc46197e5069… |
| 192.16.205.0 – 192.16.205.255 | 256 | CA |
allocated | 1989-03-29 | c8bae1572cdf… |
| 192.16.206.0 – 192.16.206.255 | 256 | CA |
allocated | 1989-03-29 | c8bae1572cdf… |
| 131.38.0.0 – 131.38.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 131.44.0.0 – 131.44.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 131.45.0.0 – 131.45.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 131.47.0.0 – 131.47.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 131.50.0.0 – 131.50.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 131.52.0.0 – 131.52.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 132.40.0.0 – 132.40.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 132.41.0.0 – 132.41.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 132.61.0.0 – 132.61.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.5.0.0 – 137.5.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.6.0.0 – 137.6.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.7.0.0 – 137.7.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.8.0.0 – 137.8.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.9.0.0 – 137.9.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.11.0.0 – 137.11.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 137.12.0.0 – 137.12.255.255 | 65,536 | US |
allocated | 1989-03-28 | 45fe880b68a8… |
| 192.48.251.0 – 192.48.251.255 | 256 | US |
allocated | 1989-03-28 | ca862bf2ce00… |
| 192.48.252.0 – 192.48.252.255 | 256 | US |
allocated | 1989-03-28 | ca862bf2ce00… |
| 132.239.0.0 – 132.239.255.255 | 65,536 | US |
allocated | 1989-03-27 | 1f9a298d8ca9… |
| 132.240.0.0 – 132.240.255.255 | 65,536 | US |
allocated | 1989-03-27 | 3f31a826c3a4… |
| 150.230.0.0 – 150.230.255.255 | 65,536 | US |
allocated | 1989-03-27 | 3f31a826c3a4… |
| 192.48.247.0 – 192.48.247.255 | 256 | US |
allocated | 1989-03-27 | 0418d3fd070a… |
| 192.48.249.0 – 192.48.249.255 | 256 | US |
allocated | 1989-03-27 | acfc4932ac54… |
| 192.48.250.0 – 192.48.250.255 | 256 | US |
allocated | 1989-03-27 | acfc4932ac54… |
| 192.53.0.0 – 192.53.1.255 | 512 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.2.0 – 192.53.2.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.3.0 – 192.53.3.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.4.0 – 192.53.7.255 | 1,024 | US |
allocated | 1989-03-27 | 1e6aecf01600… |
| 192.53.8.0 – 192.53.15.255 | 2,048 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.16.0 – 192.53.16.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.17.0 – 192.53.17.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.18.0 – 192.53.19.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.20.0 – 192.53.23.255 | 1,024 | US |
allocated | 1989-03-27 | 1e6aecf01600… |
| 192.53.24.0 – 192.53.31.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.32.0 – 192.53.33.255 | 512 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.34.0 – 192.53.34.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.36.0 – 192.53.37.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.38.0 – 192.53.38.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.39.0 – 192.53.39.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.40.0 – 192.53.47.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.48.0 – 192.53.63.255 | 4,096 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.72.0 – 192.53.79.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.96.0 – 192.53.96.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.97.0 – 192.53.97.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.98.0 – 192.53.99.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.100.0 – 192.53.101.255 | 512 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.102.0 – 192.53.102.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.105.0 – 192.53.105.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.106.0 – 192.53.107.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.108.0 – 192.53.111.255 | 1,024 | US |
allocated | 1989-03-27 | 1e6aecf01600… |
| 192.53.128.0 – 192.53.135.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.144.0 – 192.53.151.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.152.0 – 192.53.155.255 | 1,024 | US |
allocated | 1989-03-27 | 1e6aecf01600… |
| 192.53.156.0 – 192.53.156.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.157.0 – 192.53.157.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.158.0 – 192.53.159.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.176.0 – 192.53.179.255 | 1,024 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.180.0 – 192.53.181.255 | 512 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.182.0 – 192.53.182.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.183.0 – 192.53.183.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.184.0 – 192.53.185.255 | 512 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.186.0 – 192.53.186.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.187.0 – 192.53.187.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.188.0 – 192.53.191.255 | 1,024 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.192.0 – 192.53.199.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.200.0 – 192.53.201.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.202.0 – 192.53.202.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |