Internet Protocol (IP) What is Internet Protocol (IP)? Internet Protocol (IP) is a set of rules governing how data packets are sent, addressed, and routed across networks, ensuring efficient communication between devices. Explanation IP assigns unique addresses to devices, allowing them to identify and communicate with one another. It is fundamental to internet functionality and supports both IPv4 and IPv6 standards. Practical Example of Internet Protocol When you visit a website, IP ensures data is transmitted from the web server to your device using its unique IP address.