This announcement is to inform you that the retirement of the ARIN 
non-authenticated Internet Routing Registry (IRR) has been rescheduled to 4 
April 2022 at 12:00 PM EST. After this time, users will no longer be able to 
create, update, or delete records in the ARIN-NONAUTH database, and the 
ARIN-NONAUTH data stream will no longer be available in Near Real Time 
Mirroring (NRTM) or via FTP or Whois Port 43. This date change is being made in 
order to ensure that the first day after retirement does not fall on a Friday.

The following information is from the initial announcement:

ARIN has been engaged in a multi-year project to create and deploy a new and 
improved Internet Routing Registry (IRR). As a result of these efforts, ARIN 
now provides users with the ability to create, update, and delete objects in 
ARIN’s authenticated IRR database using ARIN Online or ARIN’s RESTful API. 
Unfortunately, use of ARIN’s previous non-authenticated email-based IRR service 
actually increased after ARIN released its authenticated IRR, in opposition to 
the outcome ARIN anticipated when improving its IRR.

On 8 February 2021, ARIN held a consultation to solicit input on the retirement 
of ARIN’s non-authenticated email-based IRR service. This retirement was 
originally scheduled for 30 September 2021. Based on community input, the 
proposed date for the ARIN-NONAUTH retirement was delayed to 31 March 2022 to 
allow more transition time for users. We also notified by email Points of 
Contact (POCs) of organizations who have objects in the ARIN-NONAUTH database 
of the retirement date and offered them our assistance with the transition.

If you have questions about this transition or need assistance, you can contact 
us by:

• submitting an Ask ARIN ticket or chat with us using your ARIN Online account
• emailing the Routing Security Team at [email protected]
• contacting the Registration Services Help Desk by phone Monday through 
Friday, 7:00 AM to 7:00 PM ET at +1.703.227.0660

Regards,

Brad Gorman
Senior Product Owner, Routing Security
American Registry for Internet Numbers (ARIN)


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