dotted decimal

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dotted decimal (uncountable)

  1. A method of writing IP addresses with where value of each byte is given as a decimal number, and each byte separated by a dot. is the dotted decimal representation of the binary value 01111111000000000000000000000001, which is the address your computer uses to refer to itself.

Usage notes[edit]

Although this format could be used to represent any number, it is rarely used except for IPv4 addresses, for which it is the defacto representation.