Subj : 2:203/0 today
To   : Bj”rn Felten
From : Michiel van der Vlist
Date : Sat Mar 23 2019 11:14:51

Hello Bj”rn,

On Friday March 22 2019 11:34, you wrote to me:

 MvdV>> 100.64.0.0/10 is not exactly "private". It is the block reserved
 MvdV>> for CGNAT. Amomg other things, CGNAT is used in combination with
 MvdV>> DS-Lite. So maybe you had native IPv6 without noticing?

 BF>    I don't want DS-Lite.

DS-Lite isn't so bad and in the long run it will be inevitable. But I can understand why you do not want it. Not yet anyway.

Still, I would have expected that had you been switched tio DS-Lite - intentionally or unintentionally - your curiosoty would have made you have a quick look at it at least.

 BF>  But no, this had nothing to do with DS-Lite,
 BF> it was simply a mistake they did, and corrected within a few minutes.

Odd mistake. My ISP offers Dual Stackm DS-Lite and IPv4 only, but only DS-Lite combines with CGNAT. There is no IPv4 only combined with CGNAT...

The latter of course is pretty useless for those running servers...

Cheers, Michiel

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