An Internet Protocol (IP) address is a numerical identification (logical
address) that is assigned to devices participating in a computer network
utilizing the Internet Protocol for communication between its nodes.
Although IP addresses are stored as binary numbers, they are usually
displayed in human-readable notations, such as 220.127.116.11 (for IPv4), and
2001:db8:0:1234:0:567:1:1 (for IPv6).
The role of the IP address has been characterised as follows: "A name
indicates what we seek. An address indicates where it is. A route indicates how
to get there."