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   Hello Alex,   
      
   On Monday January 16 2023 14:58, you wrote to me:   
      
    MvdV>> https://pulse.internetsociety.org/blog/ipv6-to-the-stars   
      
    AS> Indeed, Kyivstar introduced IPv6 mobile internet, with severe bugs   
    AS> though, they use DS-lite   
      
   Are you sure it is DS-Lite? My understanding is that DS-Lite is only used on   
   "fixed" networks and that mobile networks use IPv6 only with IPv4 via   
   DNS64/NAT64.   
      
   Kyivstar deploys both mobile and fixed networks do they?   
      
    AS> and their DNS servers often resolve IPv4-only DNS into NAT64   
    AS> (64:ff9b::) addresses...   
      
   Which would be the usual way for IPv6 on;y mobile networks.   
      
    AS>  Using other DNS servers works, though.   
      
   Maybe they still need to iron out the theething problems.   
      
      
   Cheers, Michiel   
      
   --- GoldED+/W32-MSVC 1.1.5-b20170303   
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