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
1,639,263,232
📦
IPv4 networks
76,743
delegated blocks
🧭
IPv6 networks
11,453
delegated blocks
🔗
Autonomous systems
34,133
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.251.40.0 – 192.251.40.255 | 256 |  US |
allocated | 1992-11-20 | 418d46f754ea… |
| 192.251.41.0 – 192.251.41.255 | 256 | US |
allocated | 1992-11-20 | 94c619c8ce94… |
| 192.251.42.0 – 192.251.42.255 | 256 | US |
allocated | 1992-11-20 | 5471b73b9bda… |
| 192.252.0.0 – 192.252.7.255 | 2,048 | US |
allocated | 1992-11-20 | fdd2903a89b5… |
| 192.252.8.0 – 192.252.15.255 | 2,048 | US |
allocated | 1992-11-20 | 806d2291f0d6… |
| 192.254.32.0 – 192.254.63.255 | 8,192 | US |
allocated | 1992-11-20 | b7bf3bfaebb3… |
| 198.1.8.0 – 198.1.15.255 | 2,048 | US |
allocated | 1992-11-20 | dd94665744c0… |
| 198.1.32.0 – 198.1.47.255 | 4,096 | US |
allocated | 1992-11-20 | e3fbc1c59df7… |
| 198.1.48.0 – 198.1.51.255 | 1,024 | US |
allocated | 1992-11-20 | e3fbc1c59df7… |
| 198.2.0.0 – 198.2.15.255 | 4,096 | US |
allocated | 1992-11-20 | da1161c21406… |
| 198.12.16.0 – 198.12.23.255 | 2,048 | US |
allocated | 1992-11-20 | 919ce8df5778… |
| 198.12.24.0 – 198.12.25.255 | 512 | US |
allocated | 1992-11-20 | 919ce8df5778… |
| 192.245.191.0 – 192.245.191.255 | 256 | US |
allocated | 1992-11-19 | 6b604647e87f… |
| 192.245.194.0 – 192.245.194.255 | 256 | US |
allocated | 1992-11-19 | 2fe0c9cbe728… |
| 192.245.197.0 – 192.245.197.255 | 256 | US |
allocated | 1992-11-19 | 45fe880b68a8… |
| 192.245.198.0 – 192.245.199.255 | 512 | US |
allocated | 1992-11-19 | 45fe880b68a8… |
| 192.245.200.0 – 192.245.203.255 | 1,024 | US |
allocated | 1992-11-19 | 45fe880b68a8… |
| 192.245.204.0 – 192.245.205.255 | 512 | US |
allocated | 1992-11-19 | 45fe880b68a8… |
| 192.245.206.0 – 192.245.206.255 | 256 | US |
allocated | 1992-11-19 | 45fe880b68a8… |
| 192.245.207.0 – 192.245.207.255 | 256 | US |
allocated | 1992-11-19 | 2b31b95924f0… |
| 192.245.209.0 – 192.245.209.255 | 256 | US |
allocated | 1992-11-19 | f02f67740b1b… |
| 192.245.218.0 – 192.245.218.255 | 256 | US |
allocated | 1992-11-19 | c7288d88c5c6… |
| 192.251.37.0 – 192.251.37.255 | 256 | US |
allocated | 1992-11-19 | 52226819198d… |
| 192.251.38.0 – 192.251.38.255 | 256 | US |
allocated | 1992-11-19 | de6d08aaebd9… |
| 164.47.0.0 – 164.47.255.255 | 65,536 | US |
allocated | 1992-11-18 | 085ea9331712… |
| 192.203.229.0 – 192.203.229.255 | 256 | US |
allocated | 1992-11-18 | 2d90cbf4f78e… |
| 192.203.230.0 – 192.203.230.255 | 256 | US |
allocated | 1992-11-18 | 2d90cbf4f78e… |
| 192.245.171.0 – 192.245.171.255 | 256 | US |
allocated | 1992-11-18 | e3bf318c8a4f… |
| 192.245.172.0 – 192.245.172.255 | 256 |  CA |
allocated | 1992-11-18 | 498cc5161e4a… |
| 192.245.173.0 – 192.245.173.255 | 256 | US |
allocated | 1992-11-18 | 981464620f28… |
| 192.245.174.0 – 192.245.174.255 | 256 | US |
allocated | 1992-11-18 | cd0c6092d6a6… |
| 192.245.175.0 – 192.245.175.255 | 256 | US |
allocated | 1992-11-18 | 6c5c5f0f9e06… |
| 192.245.176.0 – 192.245.176.255 | 256 | US |
allocated | 1992-11-18 | 45fe880b68a8… |
| 192.245.177.0 – 192.245.177.255 | 256 | US |
allocated | 1992-11-18 | 45fe880b68a8… |
| 192.245.178.0 – 192.245.178.255 | 256 | US |
allocated | 1992-11-18 | b6c3ac5024b6… |
| 192.245.179.0 – 192.245.179.255 | 256 | US |
allocated | 1992-11-18 | 856a518b9884… |
| 192.245.180.0 – 192.245.180.255 | 256 | US |
allocated | 1992-11-18 | b6c3ac5024b6… |
| 192.245.182.0 – 192.245.182.255 | 256 | US |
allocated | 1992-11-18 | 595704155d34… |
| 192.245.183.0 – 192.245.183.255 | 256 | CA |
allocated | 1992-11-18 | 34ccd3ae5d03… |
| 192.245.184.0 – 192.245.184.255 | 256 | US |
allocated | 1992-11-18 | 9deca4e78251… |
| 192.245.187.0 – 192.245.187.255 | 256 | US |
allocated | 1992-11-18 | 7f0d7986791a… |
| 192.245.188.0 – 192.245.188.255 | 256 | US |
allocated | 1992-11-18 | 433a6d1dc9f5… |
| 192.245.189.0 – 192.245.189.255 | 256 | US |
allocated | 1992-11-18 | 5bf1d0d69b16… |
| 192.245.190.0 – 192.245.190.255 | 256 | US |
allocated | 1992-11-18 | 5bf1d0d69b16… |
| 192.251.20.0 – 192.251.20.255 | 256 | US |
allocated | 1992-11-18 | 978d2e080eb7… |
| 192.251.21.0 – 192.251.21.255 | 256 | US |
allocated | 1992-11-18 | 978d2e080eb7… |
| 192.251.22.0 – 192.251.22.255 | 256 | US |
allocated | 1992-11-18 | 071f44691360… |
| 192.251.23.0 – 192.251.23.255 | 256 | US |
allocated | 1992-11-18 | 071f44691360… |
| 192.251.24.0 – 192.251.24.255 | 256 | US |
allocated | 1992-11-18 | 071f44691360… |
| 192.251.25.0 – 192.251.25.255 | 256 | US |
allocated | 1992-11-18 | 071f44691360… |
| 192.251.26.0 – 192.251.26.255 | 256 | CA |
allocated | 1992-11-18 | 30c5950bebbe… |
| 192.251.27.0 – 192.251.27.255 | 256 | CA |
allocated | 1992-11-18 | e9574b28f228… |
| 192.251.28.0 – 192.251.28.255 | 256 | CA |
allocated | 1992-11-18 | e9574b28f228… |
| 192.251.29.0 – 192.251.29.255 | 256 | CA |
allocated | 1992-11-18 | e9574b28f228… |
| 192.251.30.0 – 192.251.30.255 | 256 | CA |
allocated | 1992-11-18 | 30c5950bebbe… |
| 192.251.31.0 – 192.251.31.255 | 256 | US |
allocated | 1992-11-18 | 758ac4a4b30b… |
| 192.251.32.0 – 192.251.32.255 | 256 | US |
allocated | 1992-11-18 | c4a885a11919… |
| 192.251.35.0 – 192.251.35.255 | 256 | US |
allocated | 1992-11-18 | bc73f5172b45… |
| 192.251.36.0 – 192.251.36.255 | 256 | US |
allocated | 1992-11-18 | c332235df9c0… |
| 198.9.0.0 – 198.9.255.255 | 65,536 | US |
allocated | 1992-11-18 | 2d90cbf4f78e… |
| 198.10.0.0 – 198.10.255.255 | 65,536 | US |
allocated | 1992-11-18 | 2d90cbf4f78e… |
| 198.11.4.0 – 198.11.7.255 | 1,024 | US |
allocated | 1992-11-18 | 0f7e945a66de… |
| 192.245.170.0 – 192.245.170.255 | 256 | US |
allocated | 1992-11-17 | 31cadb9a9b8c… |
| 164.45.0.0 – 164.45.255.255 | 65,536 | US |
allocated | 1992-11-16 | 45fe880b68a8… |
| 164.72.0.0 – 164.72.255.255 | 65,536 | US |
allocated | 1992-11-16 | 9d4125fe186a… |
| 192.136.129.0 – 192.136.129.255 | 256 | US |
allocated | 1992-11-16 | 45fe880b68a8… |
| 192.251.13.0 – 192.251.13.255 | 256 | US |
allocated | 1992-11-16 | 56bea3df2390… |
| 192.251.14.0 – 192.251.14.255 | 256 | US |
allocated | 1992-11-16 | 56bea3df2390… |
| 192.251.15.0 – 192.251.15.255 | 256 | US |
allocated | 1992-11-16 | ad8851b73b1e… |
| 192.251.16.0 – 192.251.16.255 | 256 | US |
allocated | 1992-11-16 | ad8851b73b1e… |
| 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… |