Hi Michiel,   
      
   On 2018-08-27 16:03:43, you wrote to All:   
      
    MvdV> I had some problems after my ISP forced a frimware update on my   
    MvdV> modem/router.   
      
    MvdV> To give them a fair start, I peformed a fatcory reset on the modem.   
      
    MvdV> As a result my IPv6 prefix changed. It is now 2001:1c02:1100:bd00/56   
      
   And your IPv4 changed too?   
      
   Bye, Wilfred.   
      
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