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Classless Inter-Domain Routing (CIDR) to Dotted Decimal

     Classless Inter-Domain Routing (CIDR) to Dotted Decimal Notation


        CIDR            Dotted Decimal          Inverse Dotted Decimal
_______________________________________________________________________

        /1              128.0.0.0               127.255.255.255
        /2              192.0.0.0               63.255.255.255
        /3              224.0.0.0               31.255.255.255
        /4              240.0.0.0               15.255.255.255
        /5              248.0.0.0               7.255.255.255
        /6              252.0.0.0               3.255.255.255
        /7              254.0.0.0               1.255.255.255
        /8              255.0.0.0               0.255.255.255

_______________________________________________________________________

        /9              255.128.0.0             0.127.255.255
        /10             255.192.0.0             0.63.255.255
        /11             255.224.0.0             0.31.255.255
        /12             255.240.0.0             0.15.255.255
        /13             255.248.0.0             0.7.255.255
        /14             255.252.0.0             0.3.255.255
        /15             255.254.0.0             0.1.255.255
        /16             255.255.0.0             0.0.255.255

_______________________________________________________________________

        /17             255.255.128.0           0.0.127.255
        /18             255.255.192.0           0.0.63.255
        /19             255.255.224.0           0.0.31.255
        /20             255.255.240.0           0.0.15.255
        /21             255.255.248.0           0.0.7.255
        /22             255.255.252.0           0.0.3.255
        /23             255.255.254.0           0.0.1.255
        /24             255.255.255.0           0.0.0.255

_______________________________________________________________________

        /25             255.255.255.128         0.0.0.127
        /26             255.255.255.192         0.0.0.63
        /27             255.255.255.224         0.0.0.31
        /28             255.255.255.240         0.0.0.15
        /29             255.255.255.248         0.0.0.7
        /30             255.255.255.252         0.0.0.3
        /31             255.255.255.254         0.0.0.1
        /32             255.255.255.255         0.0.0.0


Last update: Wednesday, 22-Sep-2004 15:44:12 PDT
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