IP address (Internet Protocol) connected to a (computing) network for addressing and communication that uses a decimal numerical label such as 172.168.10.254, that label is version 4 or popular with IPv4.

Dotted decimal notation expresses IP addresses in dotted quads-four octets separated by dots (A.B.C.D), each octet in the address is represented as a decimal number and the dots are used as octet separators.