nanog mailing list archives

Re: Making Use of 240/4 NetBlock


From: David Conrad <drc () virtualized org>
Date: Wed, 9 Mar 2022 11:53:43 -0800

John,

On Mar 9, 2022, at 10:48 AM, John Kristoff <jtk () dataplane org> wrote:
Isn't this essentially the same thing as the DNS name collision problem
ICANN has been studying and discussing?

Not really (IMHO).  As mentioned to Mr. Levine, what ICANN is concerned about is really the security/stability 
implications of delegating previously undelegated but otherwise unconstrained name space, not name space that has been 
designated with “for future use” status.  That designation has resulted in code that prohibits its use and to make use 
of 240/4, the code has to be fixed.  The name collision problem ICANN is studying is the result of traffic hitting the 
root for names like CORP and HOME. As far as I know (which isn’t very far), 240/4 isn’t sourcing or sinking significant 
traffic on the Internet.

Regards,
-drc



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