ARIN Software and System Updates

Posted: Saturday, 21 November 2020

ARIN recently made updates to its software and systems, including ARIN Online. Full release notes are included at the end of this message.

ARIN systems are operating normally. If you have questions, comments, or issues, please submit an Ask ARIN ticket using your ARIN Online account, or contact the Registration Services Help Desk by phone Monday through Friday, 7:00 AM to 7:00 PM ET at +1.703.227.0660.


Mark Kosters
Chief Technology Officer
American Registry for Internet Numbers (ARIN)

Release Notes

We completed a number of infrastructure improvements and bug fixes, including the following updates.

ARIN Online Updates

  • Updated financial and billing functions in ARIN Online.

  • Fixed zonegen timing issue that caused slow publishing of zones for ERX snippets received from other RIRs.

ARIN Whois Updates

The URL for Registration Data Access Protocol (RDAP) bootstrap queries has changed to If you have queries that use our RDAP bootstrap server, please update your links. Note that the current URL,, will be supported for 90 days, and that support will end on 18 February, 2021. Please use this 90-day period to migrate to the new URL. After 90 days, the old URL ( will no longer be supported.

RDAP Bootstrap Server Software Updates

The new RDAP bootstrap server version 2.0.1 is available on github at and the README file is available at

This RDAP bootstrap server software version includes the following changes:

  • Updated IANA bootstrap files to the latest version
  • Provided a built-in scheduler to configure downloading of IANA bootstrap files at certain intervals (fulfilling a request for this functionality)
  • Added ability to build a Docker image of the software
  • Added ability to run as a Spring Boot application
  • Upgraded to build against Java 11 or higher

Notice of Upcoming nicinfo Release

To comply with the RDAP bootstrap URL update, our RDAP client, nicinfo, will be updated soon. We suggest that users update to nicinfo version 1.5.0 when it is released. More information about nicinfo is available on github at – if you are logged in to github, you can select the Watch icon to be notified of new releases.