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 |
|---|---|---|---|---|---|
| 192.53.203.0 – 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… |
| 132.217.0.0 – 132.217.255.255 | 65,536 | CA |
allocated | 1989-03-16 | 70e10d41762b… |
| 132.218.0.0 – 132.218.255.255 | 65,536 | CA |
allocated | 1989-03-16 | 44bca3813bb1… |
| 132.219.0.0 – 132.219.255.255 | 65,536 | CA |
allocated | 1989-03-16 | 44bca3813bb1… |
| 132.221.0.0 – 132.221.255.255 | 65,536 | CA |
allocated | 1989-03-16 | e7f6e7419d2b… |
| 132.201.0.0 – 132.201.255.255 | 65,536 | US |
allocated | 1989-03-14 | 7347b13c724c… |
| 192.48.235.0 – 192.48.235.255 | 256 | US |
allocated | 1989-03-14 | 83015281a0be… |
| 132.197.0.0 – 132.197.255.255 | 65,536 | US |
allocated | 1989-03-13 | e220ed812a4c… |
| 132.198.0.0 – 132.198.255.255 | 65,536 | US |
allocated | 1989-03-13 | bab0d09bf6fb… |
| 132.200.0.0 – 132.200.255.255 | 65,536 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 153.104.0.0 – 153.104.255.255 | 65,536 | US |
allocated | 1989-03-13 | 9564880c7b22… |
| 192.26.194.0 – 192.26.195.255 | 512 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.196.0 – 192.26.199.255 | 1,024 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.200.0 – 192.26.200.255 | 256 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.201.0 – 192.26.201.255 | 256 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.202.0 – 192.26.203.255 | 512 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.204.0 – 192.26.207.255 | 1,024 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 192.26.208.0 – 192.26.209.255 | 512 | US |
allocated | 1989-03-13 | bbf7ad4a897c… |
| 132.193.0.0 – 132.193.255.255 | 65,536 | US |
allocated | 1989-03-12 | 45fe880b68a8… |
| 132.194.0.0 – 132.194.255.255 | 65,536 | US |
allocated | 1989-03-12 | f59b5024cf29… |
| 192.48.232.0 – 192.48.232.255 | 256 | US |
allocated | 1989-03-12 | ae3c16eda153… |
| 132.190.0.0 – 132.190.255.255 | 65,536 | US |
allocated | 1989-03-10 | 2b157ac88120… |
| 192.48.226.0 – 192.48.226.255 | 256 | US |
allocated | 1989-03-10 | 9b3c49f4013e… |
| 192.48.227.0 – 192.48.227.255 | 256 | US |
allocated | 1989-03-10 | 383d5ef31f24… |
| 132.188.0.0 – 132.188.255.255 | 65,536 | US |
allocated | 1989-03-09 | 3d32246d93f9… |
| 132.183.0.0 – 132.183.255.255 | 65,536 | US |
allocated | 1989-03-08 | 53d89a62725b… |
| 192.48.221.0 – 192.48.221.255 | 256 | US |
allocated | 1989-03-06 | bc9c759021ae… |
| 192.48.222.0 – 192.48.222.255 | 256 | US |
allocated | 1989-03-06 | d3d32d980f4d… |
| 132.175.0.0 – 132.175.255.255 | 65,536 | US |
allocated | 1989-03-03 | 20cd1178e946… |
| 132.177.0.0 – 132.177.255.255 | 65,536 | US |
allocated | 1989-03-03 | dad001cf8efb… |
| 132.174.0.0 – 132.174.255.255 | 65,536 | US |
allocated | 1989-03-01 | 89999daaa161… |
| 192.48.211.0 – 192.48.211.255 | 256 | US |
allocated | 1989-03-01 | 3a7d5813f28c… |
| 192.48.212.0 – 192.48.212.255 | 256 | US |
allocated | 1989-03-01 | 45fe880b68a8… |
| 192.48.213.0 – 192.48.213.255 | 256 | US |
allocated | 1989-03-01 | 45fe880b68a8… |
| 192.48.214.0 – 192.48.214.255 | 256 | US |
allocated | 1989-03-01 | 45fe880b68a8… |
| 192.48.215.0 – 192.48.215.255 | 256 | US |
allocated | 1989-03-01 | 45fe880b68a8… |
| 192.48.216.0 – 192.48.216.255 | 256 | US |
allocated | 1989-03-01 | 45fe880b68a8… |
| 192.48.217.0 – 192.48.217.255 | 256 | US |
allocated | 1989-03-01 | a0ac74937837… |
| 132.172.0.0 – 132.172.255.255 | 65,536 | US |
allocated | 1989-02-28 | d7c40d04f568… |
| 132.173.0.0 – 132.173.255.255 | 65,536 | US |
allocated | 1989-02-28 | e1ed1885c9ce… |
| 134.69.0.0 – 134.69.255.255 | 65,536 | US |
allocated | 1989-02-28 | 68a58dfb2b79… |
| 132.170.0.0 – 132.170.255.255 | 65,536 | US |
allocated | 1989-02-27 | 6413b68f7d21… |
| 192.48.146.0 – 192.48.147.255 | 512 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.148.0 – 192.48.151.255 | 1,024 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.152.0 – 192.48.152.255 | 256 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.153.0 – 192.48.153.255 | 256 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.154.0 – 192.48.155.255 | 512 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.156.0 – 192.48.159.255 | 1,024 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.160.0 – 192.48.191.255 | 8,192 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.192.0 – 192.48.207.255 | 4,096 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.208.0 – 192.48.209.255 | 512 | US |
allocated | 1989-02-27 | f21130892698… |
| 192.48.144.0 – 192.48.144.255 | 256 | US |
allocated | 1989-02-24 | 51dfa261f124… |
| 132.161.0.0 – 132.161.255.255 | 65,536 | US |
allocated | 1989-02-23 | 5057973c196b… |
| 132.162.0.0 – 132.162.255.255 | 65,536 | US |
allocated | 1989-02-23 | 5b29bf054b89… |
| 132.163.0.0 – 132.163.255.255 | 65,536 | US |
allocated | 1989-02-23 | d5a025d296fe… |
| 192.48.143.0 – 192.48.143.255 | 256 | US |
allocated | 1989-02-23 | d3cc487da4a3… |
| 132.156.0.0 – 132.156.255.255 | 65,536 | CA |
allocated | 1989-02-22 | 84344661f626… |
| 132.158.0.0 – 132.158.255.255 | 65,536 | US |
allocated | 1989-02-22 | b932558eb528… |
| 132.160.0.0 – 132.160.255.255 | 65,536 | US |
allocated | 1989-02-22 | 981d75d0be57… |
| 192.48.141.0 – 192.48.141.255 | 256 | CA |
allocated | 1989-02-22 | 16a65779a0b3… |
| 192.48.133.0 – 192.48.133.255 | 256 | US |
allocated | 1989-02-21 | 8b7d08163aa9… |
| 192.48.134.0 – 192.48.134.255 | 256 | US |
allocated | 1989-02-21 | 37c8bfb7c81e… |