What Does Dotted Decimal Notation Mean?
Dotted decimal notation is a system of presenting numbers that is a little different from the common conventions in arithmetic as it is taught in schools. Specifically, dotted decimal notation is used in various IT contexts, including in Internet Protocol addresses.
Techopedia Explains Dotted Decimal Notation
At its core, dotted decimal notation is just another way of recording and displaying a big number. It is a particular method of notation that can replace “octets” or sets bytes (eight individual bits) in machine language. Dotted decimal notation effectively puts numbers in different containers that are separated by dots or decimals.