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
1,645,629,696
📦
IPv4 networks
76,708
delegated blocks
🧭
IPv6 networks
11,353
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.251.19.0 – 192.251.19.255 | 256 |  US |
allocated | 1992-11-16 | 978d2e080eb7… |
| 192.254.0.0 – 192.254.15.255 | 4,096 | US |
allocated | 1992-11-16 | 9d4125fe186a… |
| 192.234.253.0 – 192.234.253.255 | 256 | US |
allocated | 1992-11-13 | 52226819198d… |
| 132.216.0.0 – 132.216.255.255 | 65,536 |  CA |
allocated | 1992-11-12 | 66111f81a5ab… |
| 192.252.32.0 – 192.252.63.255 | 8,192 | US |
allocated | 1992-11-12 | 08a7b1ea5f93… |
| 192.203.228.0 – 192.203.228.255 | 256 | US |
allocated | 1992-11-10 | 62b945fe42eb… |
| 192.234.235.0 – 192.234.235.255 | 256 | US |
allocated | 1992-11-10 | 84ec5a5e67ca… |
| 192.234.236.0 – 192.234.236.255 | 256 | US |
allocated | 1992-11-10 | f73da4d338bb… |
| 192.234.237.0 – 192.234.237.255 | 256 | US |
allocated | 1992-11-10 | 5604f91cf1fa… |
| 192.234.238.0 – 192.234.238.255 | 256 | US |
allocated | 1992-11-10 | 5726700a5c09… |
| 192.234.239.0 – 192.234.239.255 | 256 | US |
allocated | 1992-11-10 | 2c04b4741ee4… |
| 192.234.240.0 – 192.234.240.255 | 256 | US |
allocated | 1992-11-10 | 399809eca482… |
| 192.234.241.0 – 192.234.241.255 | 256 | US |
allocated | 1992-11-10 | 1199d6715134… |
| 192.234.242.0 – 192.234.242.255 | 256 | US |
allocated | 1992-11-10 | 759f03615e06… |
| 192.234.243.0 – 192.234.243.255 | 256 | US |
allocated | 1992-11-10 | 1b619683cf87… |
| 192.234.244.0 – 192.234.244.255 | 256 | US |
allocated | 1992-11-10 | c47ecac6b70d… |
| 192.241.32.0 – 192.241.47.255 | 4,096 | US |
allocated | 1992-11-10 | 784752a55b65… |
| 192.243.128.0 – 192.243.191.255 | 16,384 | US |
allocated | 1992-11-10 | 942e105ff5df… |
| 192.243.192.0 – 192.243.207.255 | 4,096 | US |
allocated | 1992-11-10 | 942e105ff5df… |
| 192.243.208.0 – 192.243.211.255 | 1,024 | US |
allocated | 1992-11-10 | 942e105ff5df… |
| 192.243.212.0 – 192.243.212.255 | 256 | US |
allocated | 1992-11-10 | 942e105ff5df… |
| 192.249.32.0 – 192.249.39.255 | 2,048 | US |
allocated | 1992-11-10 | ffd67fadfdd4… |
| 192.249.40.0 – 192.249.41.255 | 512 | US |
allocated | 1992-11-10 | ffd67fadfdd4… |
| 192.249.44.0 – 192.249.47.255 | 1,024 | US |
allocated | 1992-11-10 | ffd67fadfdd4… |
| 192.249.48.0 – 192.249.51.255 | 1,024 | US |
allocated | 1992-11-10 | ffd67fadfdd4… |
| 198.3.0.0 – 198.3.127.255 | 32,768 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.3.128.0 – 198.3.135.255 | 2,048 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.3.144.0 – 198.3.159.255 | 4,096 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.3.160.0 – 198.3.191.255 | 8,192 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.3.192.0 – 198.3.255.255 | 16,384 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.4.0.0 – 198.5.255.255 | 131,072 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.6.0.0 – 198.6.255.255 | 65,536 | US |
allocated | 1992-11-10 | e220ed812a4c… |
| 198.7.0.0 – 198.7.7.255 | 2,048 | US |
allocated | 1992-11-10 | 364bcbb21b9e… |
| 192.234.230.0 – 192.234.230.255 | 256 | US |
allocated | 1992-11-09 | 60d5e1ed30b6… |
| 192.234.232.0 – 192.234.232.255 | 256 | US |
allocated | 1992-11-09 | 1a55f2db1696… |
| 192.234.233.0 – 192.234.233.255 | 256 | US |
allocated | 1992-11-09 | 60878a5739dc… |
| 192.234.246.0 – 192.234.246.255 | 256 | US |
allocated | 1992-11-09 | fa38c00a5ec3… |
| 192.234.247.0 – 192.234.247.255 | 256 | US |
allocated | 1992-11-09 | 15377a2b0a6b… |
| 192.234.248.0 – 192.234.248.255 | 256 | US |
allocated | 1992-11-09 | 8d8b05392b75… |
| 192.234.249.0 – 192.234.249.255 | 256 | US |
allocated | 1992-11-09 | 52226819198d… |
| 192.234.250.0 – 192.234.250.255 | 256 | US |
allocated | 1992-11-09 | 1ab49409c0b6… |
| 192.234.251.0 – 192.234.251.255 | 256 | US |
allocated | 1992-11-09 | 3b0dc48b2739… |
| 192.234.252.0 – 192.234.252.255 | 256 | US |
allocated | 1992-11-09 | 3b0dc48b2739… |
| 192.245.149.0 – 192.245.149.255 | 256 | US |
allocated | 1992-11-09 | d349a2e70256… |
| 192.245.150.0 – 192.245.150.255 | 256 | US |
allocated | 1992-11-09 | 8c78747c6d11… |
| 192.245.151.0 – 192.245.151.255 | 256 | US |
allocated | 1992-11-09 | 792e0d2868bf… |
| 192.245.153.0 – 192.245.153.255 | 256 | US |
allocated | 1992-11-09 | da0b5714899f… |
| 192.245.154.0 – 192.245.154.255 | 256 | US |
allocated | 1992-11-09 | 1f5d84c5647c… |
| 192.245.156.0 – 192.245.156.255 | 256 | US |
allocated | 1992-11-09 | cd399d591cad… |
| 192.245.163.0 – 192.245.163.255 | 256 | US |
allocated | 1992-11-09 | cdb7d42057bd… |
| 192.245.165.0 – 192.245.165.255 | 256 | US |
allocated | 1992-11-09 | 99164886daba… |
| 192.248.240.0 – 192.248.255.255 | 4,096 | US |
allocated | 1992-11-09 | 0ea1c5f979ec… |
| 192.251.2.0 – 192.251.2.255 | 256 | US |
allocated | 1992-11-09 | e3a53ec8c5d3… |
| 192.251.3.0 – 192.251.3.255 | 256 | US |
allocated | 1992-11-09 | e3a53ec8c5d3… |
| 192.251.9.0 – 192.251.9.255 | 256 | US |
allocated | 1992-11-09 | 37bb04d83da0… |
| 192.251.10.0 – 192.251.10.255 | 256 | US |
allocated | 1992-11-09 | 37bb04d83da0… |
| 192.251.11.0 – 192.251.11.255 | 256 | US |
allocated | 1992-11-09 | 37bb04d83da0… |
| 192.251.12.0 – 192.251.12.255 | 256 | US |
allocated | 1992-11-09 | 37bb04d83da0… |
| 192.253.1.0 – 192.253.1.255 | 256 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.2.0 – 192.253.3.255 | 512 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.4.0 – 192.253.7.255 | 1,024 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.8.0 – 192.253.15.255 | 2,048 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.16.0 – 192.253.31.255 | 4,096 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.32.0 – 192.253.63.255 | 8,192 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.64.0 – 192.253.127.255 | 16,384 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.128.0 – 192.253.191.255 | 16,384 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.192.0 – 192.253.199.255 | 2,048 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 192.253.200.0 – 192.253.200.255 | 256 | US |
allocated | 1992-11-09 | 45fe880b68a8… |
| 162.121.0.0 – 162.121.255.255 | 65,536 | US |
allocated | 1992-11-06 | f1fdad43d521… |
| 192.245.141.0 – 192.245.141.255 | 256 | US |
allocated | 1992-11-06 | b3502e5c02d8… |
| 192.245.142.0 – 192.245.142.255 | 256 | US |
allocated | 1992-11-06 | d0a787ce149c… |
| 192.245.143.0 – 192.245.143.255 | 256 | US |
allocated | 1992-11-06 | 159d46efc90f… |
| 192.245.144.0 – 192.245.144.255 | 256 | US |
allocated | 1992-11-06 | 4ad6fde391bf… |
| 192.245.145.0 – 192.245.145.255 | 256 | US |
allocated | 1992-11-06 | a33be4fe8afa… |
| 192.245.146.0 – 192.245.147.255 | 512 | US |
allocated | 1992-11-06 | a33be4fe8afa… |
| 192.251.1.0 – 192.251.1.255 | 256 | US |
allocated | 1992-11-06 | e3a53ec8c5d3… |
| 192.251.4.0 – 192.251.4.255 | 256 | US |
allocated | 1992-11-06 | 65e4ea42e57f… |
| 192.251.5.0 – 192.251.5.255 | 256 | US |
allocated | 1992-11-06 | 65e4ea42e57f… |
| 192.251.6.0 – 192.251.6.255 | 256 | US |
allocated | 1992-11-06 | 65e4ea42e57f… |
| 192.251.7.0 – 192.251.7.255 | 256 | US |
allocated | 1992-11-06 | f059cd052d29… |
| 192.251.8.0 – 192.251.8.255 | 256 | US |
allocated | 1992-11-06 | c83ecd2ee064… |
| 192.252.16.0 – 192.252.31.255 | 4,096 | US |
allocated | 1992-11-06 | 640873382cef… |
| 192.234.200.0 – 192.234.200.255 | 256 | US |
allocated | 1992-11-05 | 166edc4f1509… |
| 192.234.201.0 – 192.234.201.255 | 256 | US |
allocated | 1992-11-05 | 166edc4f1509… |
| 192.234.205.0 – 192.234.205.255 | 256 | US |
allocated | 1992-11-05 | ebaa5e48c319… |
| 192.234.206.0 – 192.234.206.255 | 256 | US |
allocated | 1992-11-05 | ebaa5e48c319… |
| 192.234.207.0 – 192.234.207.255 | 256 | US |
allocated | 1992-11-05 | ebaa5e48c319… |
| 192.234.208.0 – 192.234.208.255 | 256 | US |
allocated | 1992-11-05 | ebaa5e48c319… |
| 192.234.209.0 – 192.234.209.255 | 256 | US |
allocated | 1992-11-05 | d0ed72cdaa22… |
| 192.234.210.0 – 192.234.210.255 | 256 | US |
allocated | 1992-11-05 | d0ed72cdaa22… |
| 192.234.211.0 – 192.234.211.255 | 256 | US |
allocated | 1992-11-05 | 9091aaba7f6c… |
| 192.234.213.0 – 192.234.213.255 | 256 | US |
allocated | 1992-11-05 | 4576296363aa… |
| 192.234.214.0 – 192.234.214.255 | 256 | US |
allocated | 1992-11-05 | 4576296363aa… |
| 192.234.215.0 – 192.234.215.255 | 256 | US |
allocated | 1992-11-05 | 3a5b7815cefd… |
| 192.234.216.0 – 192.234.216.255 | 256 | US |
allocated | 1992-11-05 | 68600cea0e62… |
| 192.234.218.0 – 192.234.218.255 | 256 | US |
allocated | 1992-11-05 | 8e8005254d4d… |
| 192.234.219.0 – 192.234.219.255 | 256 | US |
allocated | 1992-11-05 | 28a7282403cc… |
| 192.234.220.0 – 192.234.220.255 | 256 | US |
allocated | 1992-11-05 | dedd83a10586… |
| 192.234.223.0 – 192.234.223.255 | 256 | CA |
allocated | 1992-11-05 | b79783d6982a… |
| 192.234.224.0 – 192.234.224.255 | 256 | CA |
allocated | 1992-11-05 | 2bc0c706e876… |