Dot-decimal notation

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Dot-decimal notation is a presentation format for numerical data. It consists of a string of decimal numbers, using the full stop (., also called dot in computing) as a separation character. A common use of dot-decimal notation is in information technology, where it is a method of writing numbers in octet-grouped base-ten (decimal) numbers. In computer networking, Internet Protocol Version 4 (IPv4) addresses are commonly written using the dotted-quad notation of four decimal integers, ranging from 0 to 255 each. Dot-decimal notation is common in the form of dotted-quad notation to represent IPv4 addresses. Dot-decimal notation is a presentation format for numerical data expressed as a string of decimal numbers, each separated by a full stop and represented without any extra leading zeros. For example, the hexadecimal number 0xFF000001 may be expressed in dot-decimal notation as 255.0.0.1. An IPv4 address has 32 bits. For purposes of representation, the bits may be divided into four octets written in decimal numbers, ranging from 0 to 255, concatenated as a character string with full stop delimiters between each pair of numbers. This octet-grouped dotted-decimal format may more specifically be called dotted octet format, and an address so noted a dotted-quad address.