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First time poster (kindly don't eat me alive)

i was using https://subnetipv4.com/ to acid test my subletting skill i got 9/10 correct

this is the chosen one that broke my streak

as you can see i missed up by using 128 group size but can anyone explain why they used 64?

losing badly

M.zirie
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  • This two-part answer explains it. – Ron Maupin Jun 30 '20 at 16:34
  • Hey, that's my Subnetting page ;). The /11 uses a group size of 32. You can see the cheat sheet to validate that /11 falls under the "32" group size. Either way, Subnetting questions on this site are typically closed and users are directed here. – Eddie Jun 30 '20 at 16:35
  • Thank you and Eddie for your valuable contribution , i see the error of my way , my train thought was like this

    00000110.1000000 = 10.128 i forget that 255.0.0.0 != /10 :( sorry

    =~= when ip6v is coming :(

    btw i don't know how to reply :( to lazy to google it

     – M.zirie Jun 30 '20 at 16:44

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