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 |
|---|---|---|---|---|---|
| 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… |
| 192.53.203.0 – 192.53.203.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.204.0 – 192.53.207.255 | 1,024 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 192.53.208.0 – 192.53.223.255 | 4,096 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.224.0 – 192.53.239.255 | 4,096 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.240.0 – 192.53.247.255 | 2,048 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.248.0 – 192.53.251.255 | 1,024 | US |
allocated | 1989-03-27 | 1e6aecf01600… |
| 192.53.252.0 – 192.53.253.255 | 512 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.254.0 – 192.53.254.255 | 256 | US |
allocated | 1989-03-27 | d421c651a84f… |
| 192.53.255.0 – 192.53.255.255 | 256 | US |
allocated | 1989-03-27 | 4a34b9f7ce6e… |
| 131.78.0.0 – 131.78.255.255 | 65,536 | US |
allocated | 1989-03-24 | 45fe880b68a8… |
| 132.235.0.0 – 132.235.255.255 | 65,536 | US |
allocated | 1989-03-24 | 60c47e8ce9b1… |
| 132.236.0.0 – 132.236.255.255 | 65,536 | US |
allocated | 1989-03-24 | e33c6946c6dd… |
| 132.237.0.0 – 132.237.127.255 | 32,768 | US |
allocated | 1989-03-24 | 4cb61b484442… |
| 132.237.128.0 – 132.237.191.255 | 16,384 | US |
allocated | 1989-03-24 | 4cb61b484442… |
| 132.238.0.0 – 132.238.255.255 | 65,536 | US |
allocated | 1989-03-24 | 222ee478f386… |
| 132.60.0.0 – 132.60.255.255 | 65,536 | US |
allocated | 1989-03-23 | 45fe880b68a8… |
| 132.233.0.0 – 132.233.255.255 | 65,536 | US |
allocated | 1989-03-23 | 1e8f556759f4… |
| 192.48.244.0 – 192.48.244.255 | 256 | US |
allocated | 1989-03-23 | 69a2ad221230… |
| 192.48.245.0 – 192.48.245.255 | 256 | US |
allocated | 1989-03-23 | 69a2ad221230… |
| 192.48.246.0 – 192.48.246.255 | 256 | US |
allocated | 1989-03-23 | 6174f9557e53… |
| 192.52.51.0 – 192.52.51.255 | 256 | US |
allocated | 1989-03-23 | 1e8f556759f4… |
| 192.52.52.0 – 192.52.55.255 | 1,024 | US |
allocated | 1989-03-23 | 57b81bd765cc… |
| 192.52.56.0 – 192.52.59.255 | 1,024 | US |
allocated | 1989-03-23 | 1e8f556759f4… |
| 192.52.60.0 – 192.52.60.255 | 256 | US |
allocated | 1989-03-23 | 1e8f556759f4… |
| 132.0.0.0 – 132.0.255.255 | 65,536 | US |
allocated | 1989-03-22 | 45fe880b68a8… |
| 132.6.0.0 – 132.6.255.255 | 65,536 | US |
allocated | 1989-03-22 | 45fe880b68a8… |
| 192.48.242.0 – 192.48.242.255 | 256 | US |
allocated | 1989-03-22 | 45fe880b68a8… |
| 131.48.0.0 – 131.48.255.255 | 65,536 | US |
allocated | 1989-03-21 | 45fe880b68a8… |
| 132.228.0.0 – 132.228.255.255 | 65,536 | US |
allocated | 1989-03-21 | a173e43ca8ce… |
| 192.26.240.0 – 192.26.247.255 | 2,048 | US |
allocated | 1989-03-20 | 45fe880b68a8… |
| 192.26.248.0 – 192.26.248.255 | 256 | US |
allocated | 1989-03-20 | 45fe880b68a8… |
| 192.26.249.0 – 192.26.249.255 | 256 | US |
allocated | 1989-03-20 | 45fe880b68a8… |
| 132.224.0.0 – 132.224.255.255 | 65,536 | US |
allocated | 1989-03-17 | e1ed1885c9ce… |
| 132.225.0.0 – 132.225.255.255 | 65,536 |  CA |
allocated | 1989-03-17 | ea8e9f75c3ec… |
| 192.48.238.0 – 192.48.238.255 | 256 | US |
allocated | 1989-03-17 | d7c40d04f568… |
| 132.212.0.0 – 132.212.255.255 | 65,536 | CA |
allocated | 1989-03-16 | ce4ab2624c3b… |
| 132.213.0.0 – 132.213.255.255 | 65,536 | CA |
allocated | 1989-03-16 | 3765280d5a30… |
| 132.214.0.0 – 132.214.255.255 | 65,536 | CA |
allocated | 1989-03-16 | 9df366571586… |
| 132.215.0.0 – 132.215.255.255 | 65,536 | CA |
allocated | 1989-03-16 | e326919deb93… |