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
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.27.0.0 – 192.27.255.255 | 65,536 |  US |
allocated | 1986-09-18 | ffd67fadfdd4… |
| 128.149.0.0 – 128.149.255.255 | 65,536 | US |
allocated | 1986-09-17 | 2d90cbf4f78e… |
| 128.150.0.0 – 128.150.255.255 | 65,536 | US |
allocated | 1986-09-17 | ffb21d106bd0… |
| 128.148.0.0 – 128.148.255.255 | 65,536 | US |
allocated | 1986-09-09 | 982c96be888c… |
| 128.152.0.0 – 128.152.255.255 | 65,536 | US |
allocated | 1986-09-09 | e1ed1885c9ce… |
| 192.26.1.0 – 192.26.1.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.2.0 – 192.26.2.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.3.0 – 192.26.3.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.4.0 – 192.26.4.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.5.0 – 192.26.5.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.6.0 – 192.26.6.255 | 256 | US |
allocated | 1986-09-09 | 6dd814657e30… |
| 192.26.7.0 – 192.26.7.255 | 256 | US |
allocated | 1986-09-09 | 45fe880b68a8… |
| 128.147.0.0 – 128.147.255.255 | 65,536 | US |
allocated | 1986-09-08 | bf0a88d37bfb… |
| 128.146.0.0 – 128.146.255.255 | 65,536 | US |
allocated | 1986-08-26 | de86b6deb5d9… |
| 192.16.171.0 – 192.16.171.255 | 256 | US |
allocated | 1986-08-26 | a6a7e0a58963… |
| 128.144.0.0 – 128.144.255.255 | 65,536 |  CA |
allocated | 1986-08-08 | 7a7a22d880b0… |
| 128.145.0.0 – 128.145.255.255 | 65,536 | US |
allocated | 1986-08-08 | 37fe01d6d027… |
| 192.16.168.0 – 192.16.168.255 | 256 | US |
allocated | 1986-08-08 | 45fe880b68a8… |
| 192.16.169.0 – 192.16.169.255 | 256 | US |
allocated | 1986-08-08 | 45fe880b68a8… |
| 192.25.0.0 – 192.25.0.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.12.0 – 192.25.12.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.15.0 – 192.25.15.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.16.0 – 192.25.17.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.18.0 – 192.25.18.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.20.0 – 192.25.20.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.23.0 – 192.25.23.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.25.0 – 192.25.25.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.26.0 – 192.25.27.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.29.0 – 192.25.29.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.32.0 – 192.25.32.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.33.0 – 192.25.33.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.35.0 – 192.25.35.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.36.0 – 192.25.39.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.40.0 – 192.25.41.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.43.0 – 192.25.43.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.44.0 – 192.25.45.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.47.0 – 192.25.47.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.49.0 – 192.25.49.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.51.0 – 192.25.51.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.53.0 – 192.25.53.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.54.0 – 192.25.54.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.56.0 – 192.25.63.255 | 2,048 | US |
allocated | 1986-08-08 | d421c651a84f… |
| 192.25.64.0 – 192.25.67.255 | 1,024 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.71.0 – 192.25.71.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.72.0 – 192.25.73.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.75.0 – 192.25.75.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.76.0 – 192.25.77.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.79.0 – 192.25.79.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.80.0 – 192.25.80.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.101.0 – 192.25.101.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.102.0 – 192.25.103.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.104.0 – 192.25.105.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.107.0 – 192.25.107.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.108.0 – 192.25.108.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.110.0 – 192.25.111.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.112.0 – 192.25.113.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.118.0 – 192.25.119.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.120.0 – 192.25.121.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.127.0 – 192.25.127.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.128.0 – 192.25.131.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.132.0 – 192.25.132.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.135.0 – 192.25.135.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.136.0 – 192.25.137.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.138.0 – 192.25.139.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.143.0 – 192.25.143.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.146.0 – 192.25.147.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.150.0 – 192.25.150.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.153.0 – 192.25.153.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.154.0 – 192.25.154.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.156.0 – 192.25.157.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.158.0 – 192.25.159.255 | 512 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.160.0 – 192.25.167.255 | 2,048 | US |
allocated | 1986-08-08 | d421c651a84f… |
| 192.25.168.0 – 192.25.168.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.170.0 – 192.25.170.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.171.0 – 192.25.171.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.172.0 – 192.25.175.255 | 1,024 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.176.0 – 192.25.179.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.184.0 – 192.25.185.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.186.0 – 192.25.186.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.187.0 – 192.25.187.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.188.0 – 192.25.188.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.189.0 – 192.25.189.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.190.0 – 192.25.190.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.192.0 – 192.25.195.255 | 1,024 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.196.0 – 192.25.196.255 | 256 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.197.0 – 192.25.197.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.198.0 – 192.25.198.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.204.0 – 192.25.207.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.212.0 – 192.25.215.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.216.0 – 192.25.217.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.219.0 – 192.25.219.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.220.0 – 192.25.223.255 | 1,024 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.224.0 – 192.25.227.255 | 1,024 | US |
allocated | 1986-08-08 | 4a34b9f7ce6e… |
| 192.25.228.0 – 192.25.229.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.231.0 – 192.25.231.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.236.0 – 192.25.239.255 | 1,024 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.241.0 – 192.25.241.255 | 256 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.242.0 – 192.25.243.255 | 512 | US |
allocated | 1986-08-08 | 1e6aecf01600… |
| 192.25.248.0 – 192.25.255.255 | 2,048 | US |
allocated | 1986-08-08 | d421c651a84f… |
| 192.5.2.0 – 192.5.2.255 | 256 | US |
allocated | 1986-08-07 | 077fc54e2fbb… |