Liaison statement
Member State consultation on closure of delegation of E.164 country codes in the Domain Name System in e164.arpa

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State Posted
Submitted Date 2026-04-15
From Group ITU-T-SG-2
From Contact ITU-T SG2 TSB <tsbsg2@itu.int>
To Groups GEN, IAB
To Contacts Roman Danyliw <rdd@cert.org>
The IAB Chair <iab-chair@iab.org>
Cc Roman Danyliw <rdd@cert.org>
Scott Mansfield <Scott.Mansfield@Ericsson.com>
The IAB Chair <iab-chair@iab.org>
The IETF Chair <chair@ietf.org>
The IAB <iab@iab.org>
Response Contact ITU-T SG2 TSB <tsbsg2@itu.int>
Technical Contact Dhruv Dhody <dd@dhruvdhody.com>
Action Holder Contacts Scott Mansfield <Scott.Mansfield@Ericsson.com>
Purpose For action
Deadline 2026-08-15 Action Needed
Attachments TSB Circular 123
Body 
TSB Circular 123 solicits Member States’ views on the possible closure of the
ENUM system under e164.arpa.  Member States are invited to indicate by 15
August 2026 whether they approve or reject this closure.

Further details can be found in the attached document.