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 |
|---|---|---|---|---|---|
| 192.58.231.0 – 192.58.231.255 | 256 |  US |
allocated | 1989-10-25 | fc522e552438… |
| 192.58.232.0 – 192.58.233.255 | 512 | US |
allocated | 1989-10-25 | 2fc72c3bfb52… |
| 192.58.234.0 – 192.58.234.255 | 256 | US |
allocated | 1989-10-25 | 2fc72c3bfb52… |
| 192.58.235.0 – 192.58.235.255 | 256 | US |
allocated | 1989-10-25 | 2fc72c3bfb52… |
| 192.58.236.0 – 192.58.239.255 | 1,024 | US |
allocated | 1989-10-25 | 2fc72c3bfb52… |
| 192.58.240.0 – 192.58.241.255 | 512 | US |
allocated | 1989-10-25 | 2fc72c3bfb52… |
| 192.58.242.0 – 192.58.242.255 | 256 | US |
allocated | 1989-10-25 | 3205ece05592… |
| 192.58.243.0 – 192.58.243.255 | 256 | US |
allocated | 1989-10-25 | a3bc0d9e6627… |
| 192.58.244.0 – 192.58.244.255 | 256 | US |
allocated | 1989-10-25 | 2cf6e4f0ad22… |
| 192.58.245.0 – 192.58.245.255 | 256 |  CA |
allocated | 1989-10-25 | 101817e23304… |
| 192.58.246.0 – 192.58.246.255 | 256 | US |
allocated | 1989-10-25 | 6f4a28e9e3f3… |
| 192.58.247.0 – 192.58.247.255 | 256 | US |
allocated | 1989-10-25 | dcdca59678af… |
| 192.58.248.0 – 192.58.248.255 | 256 | US |
allocated | 1989-10-25 | 434bd644bdaf… |
| 192.58.249.0 – 192.58.249.255 | 256 | US |
allocated | 1989-10-25 | 6b5bfe83993f… |
| 192.58.254.0 – 192.58.254.255 | 256 | US |
allocated | 1989-10-24 | e2806a4dbf0e… |
| 137.28.0.0 – 137.28.255.255 | 65,536 | US |
allocated | 1989-10-19 | fb6db070c943… |
| 137.29.0.0 – 137.29.255.255 | 65,536 | US |
allocated | 1989-10-19 | 45fe880b68a8… |
| 192.58.213.0 – 192.58.213.255 | 256 | CA |
allocated | 1989-10-19 | 5582d2c31307… |
| 192.58.212.0 – 192.58.212.255 | 256 | US |
allocated | 1989-10-18 | 45fe880b68a8… |
| 137.30.0.0 – 137.30.255.255 | 65,536 | US |
allocated | 1989-10-17 | 59f822bcaa8e… |
| 137.32.0.0 – 137.32.255.255 | 65,536 | US |
allocated | 1989-10-17 | 0596821a6910… |
| 137.36.0.0 – 137.36.255.255 | 65,536 | US |
allocated | 1989-10-17 | 2b5875965d70… |
| 137.37.0.0 – 137.37.255.255 | 65,536 | US |
allocated | 1989-10-17 | 5b955ced0d94… |
| 192.58.216.0 – 192.58.216.255 | 256 | US |
allocated | 1989-10-17 | e1e4db0c22c3… |
| 192.58.217.0 – 192.58.217.255 | 256 | US |
allocated | 1989-10-17 | f2fd906172be… |
| 131.54.0.0 – 131.54.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 131.55.0.0 – 131.55.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 131.56.0.0 – 131.56.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.1.0.0 – 132.1.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.3.0.0 – 132.3.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.18.0.0 – 132.18.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.22.0.0 – 132.22.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.42.0.0 – 132.42.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.43.0.0 – 132.43.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.44.0.0 – 132.44.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.49.0.0 – 132.49.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.52.0.0 – 132.52.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.59.0.0 – 132.59.255.255 | 65,536 | US |
allocated | 1989-10-13 | 45fe880b68a8… |
| 132.46.0.0 – 132.46.255.255 | 65,536 | US |
allocated | 1989-10-11 | 45fe880b68a8… |
| 137.20.0.0 – 137.20.255.255 | 65,536 | US |
allocated | 1989-10-11 | 5da36e41edf3… |
| 137.21.0.0 – 137.21.255.255 | 65,536 | US |
allocated | 1989-10-11 | dfb5b08c31e4… |
| 137.22.0.0 – 137.22.31.255 | 8,192 | US |
allocated | 1989-10-11 | c4c0a27b7e93… |
| 137.22.64.0 – 137.22.95.255 | 8,192 | US |
allocated | 1989-10-11 | c4c0a27b7e93… |
| 137.22.128.0 – 137.22.159.255 | 8,192 | US |
allocated | 1989-10-11 | c4c0a27b7e93… |
| 137.22.192.0 – 137.22.223.255 | 8,192 | US |
allocated | 1989-10-11 | c4c0a27b7e93… |
| 137.24.0.0 – 137.24.255.255 | 65,536 | US |
allocated | 1989-10-11 | 45fe880b68a8… |
| 192.58.196.0 – 192.58.196.255 | 256 | US |
allocated | 1989-10-11 | 25aaa0a3b621… |
| 192.58.199.0 – 192.58.199.255 | 256 | US |
allocated | 1989-10-11 | 45fe880b68a8… |
| 192.58.204.0 – 192.58.204.255 | 256 | US |
allocated | 1989-10-11 | 501eb4ea8218… |
| 192.58.205.0 – 192.58.205.255 | 256 | US |
allocated | 1989-10-11 | 501eb4ea8218… |
| 192.58.206.0 – 192.58.206.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 192.58.207.0 – 192.58.207.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 192.58.208.0 – 192.58.208.255 | 256 | US |
allocated | 1989-10-11 | acd8ae27f732… |
| 192.58.209.0 – 192.58.209.255 | 256 | US |
allocated | 1989-10-11 | acd8ae27f732… |
| 192.58.210.0 – 192.58.210.255 | 256 | US |
allocated | 1989-10-11 | f21130892698… |
| 137.14.0.0 – 137.14.255.255 | 65,536 | US |
allocated | 1989-10-10 | 45fe880b68a8… |
| 137.15.0.0 – 137.15.255.255 | 65,536 | CA |
allocated | 1989-10-10 | b3e6df5d0273… |
| 137.18.0.0 – 137.18.255.255 | 65,536 | US |
allocated | 1989-10-10 | 5b4d06da1ecb… |
| 192.58.195.0 – 192.58.195.255 | 256 | US |
allocated | 1989-10-10 | 80dee772968a… |
| 192.58.200.0 – 192.58.203.255 | 1,024 | US |
allocated | 1989-10-10 | f19b682f7b35… |
| 192.58.211.0 – 192.58.211.255 | 256 | US |
allocated | 1989-10-10 | cdfe872d6f50… |
| 136.240.0.0 – 136.241.255.255 | 131,072 | US |
allocated | 1989-10-05 | e1ed1885c9ce… |
| 136.242.0.0 – 136.242.63.255 | 16,384 | US |
allocated | 1989-10-05 | 240c6b1ea4b5… |
| 136.244.128.0 – 136.244.255.255 | 32,768 | US |
allocated | 1989-10-05 | 9b59beedd95d… |
| 136.245.0.0 – 136.245.63.255 | 16,384 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.144.0 – 136.245.159.255 | 4,096 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.160.0 – 136.245.191.255 | 8,192 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.245.192.0 – 136.245.255.255 | 16,384 | US |
allocated | 1989-10-05 | 671a80689d3c… |
| 136.247.0.0 – 136.247.255.255 | 65,536 | US |
allocated | 1989-10-05 | 4618f264d7c6… |
| 132.25.0.0 – 132.25.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.26.0.0 – 132.26.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.29.0.0 – 132.29.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.30.0.0 – 132.30.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.35.0.0 – 132.35.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.38.0.0 – 132.38.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.39.0.0 – 132.39.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.47.0.0 – 132.47.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.50.0.0 – 132.50.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 132.51.0.0 – 132.51.255.255 | 65,536 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 136.223.0.0 – 136.223.255.255 | 65,536 | US |
allocated | 1989-10-03 | dd054087e5ac… |
| 136.224.0.0 – 136.224.255.255 | 65,536 | US |
allocated | 1989-10-03 | d60a33a2abe6… |
| 136.227.0.0 – 136.227.63.255 | 16,384 | US |
allocated | 1989-10-03 | a26d6a4aba8f… |
| 136.227.128.0 – 136.227.135.255 | 2,048 | US |
allocated | 1989-10-03 | a26d6a4aba8f… |
| 136.229.0.0 – 136.229.255.255 | 65,536 | US |
allocated | 1989-10-03 | f84583916ecf… |
| 136.237.0.0 – 136.237.255.255 | 65,536 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 136.238.0.0 – 136.238.255.255 | 65,536 | US |
allocated | 1989-10-03 | 4a34b9f7ce6e… |
| 192.58.155.0 – 192.58.155.255 | 256 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 192.58.156.0 – 192.58.159.255 | 1,024 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.160.0 – 192.58.175.255 | 4,096 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.176.0 – 192.58.179.255 | 1,024 | US |
allocated | 1989-10-03 | 0596821a6910… |
| 192.58.181.0 – 192.58.181.255 | 256 | US |
allocated | 1989-10-03 | 45fe880b68a8… |
| 192.58.183.0 – 192.58.183.255 | 256 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.58.184.0 – 192.58.191.255 | 2,048 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.58.192.0 – 192.58.192.255 | 256 | US |
allocated | 1989-10-03 | 4d9a37608d72… |
| 192.64.68.0 – 192.64.68.255 | 256 | US |
allocated | 1989-10-03 | 2fc72c3bfb52… |
| 192.64.96.0 – 192.64.96.255 | 256 | US |
allocated | 1989-10-03 | 2f5e6922718e… |
| 192.64.159.0 – 192.64.159.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.161.0 – 192.64.161.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.162.0 – 192.64.163.255 | 512 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |
| 192.64.164.0 – 192.64.164.255 | 256 | CA |
allocated | 1989-10-03 | d45bc32a39d3… |