Download the list of .arpa domains

.arpa is a infrastructure, zone registry maintained by Internet Architecture Board (IAB).
We have 11 domains available in .arpa zone at the time of: 30.07.2025.

The list includes domain + e-mails of domain owners registered from the cut-off dates E-mails are collected from publicly available information and analyzed.

The file contains the most complete list of all registered domains in .arpa zone. You can download a list of all .arpa Internet addresses in one file in one click. Each domain is represented as a separate line in the file. We update the data in the file every day. Data is also available via API.

A complete list of zones