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Upper and Lower IP addres range

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  • Upper and Lower IP addres range

    Hi...Is this configuration right? Especially the lower and upper half part because I am not too sure about that. Thanks in advance.

    IP address : 150.2.48.0/20
    Subnet Mask : 255.255.240.0

    IP address : 150.2.48.0
    Usable hosts range : 150.2.48.1 to 150.2.63.254
    Broadcast : 150.2.63.255

    Highest usable IP address : 150.2.63.254

    Lower half : 150.2.48.0 to 150.2.55.255
    Upper half : 150.2.56.0 to 150.2.63.255

  • #2
    Re: Upper and Lower IP addres range

    Your calculations look right to me.
    Regards,
    Jeremy

    Network Consultant/Engineer
    Baltimore - Washington area and beyond
    www.gma-cpa.com

    Comment


    • #3
      Re: Upper and Lower IP addres range

      Thank you for ur reply.
      Sorry..I forgot to ask something more.
      Is this also right calculation for wildmasking?

      Wildcard mask for IP address is : 0.0.15.255
      Upper half wildcard mask is : 0.0.7.255
      Lower half wildcard mask is : 0.0.7.255

      Comment


      • #4
        Re: Upper and Lower IP addres range

        Yes, right again.
        Are you studying to take a test or something?
        Regards,
        Jeremy

        Network Consultant/Engineer
        Baltimore - Washington area and beyond
        www.gma-cpa.com

        Comment

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