What is IPv6?

Currently, an IP address consists of four sections separated by periods. Each section contains an 8-bit value represented as a number ranging from 0 to 255. This is also called 32-bit addressing.

In this scheme, there are more than 4 billion possible IP addresses. However, the allocation of these IP addresses follows a two-level architecture that assigns IP numbers to a network and the hosts on that network. This architecture has proved to be an inefficient method for assigning IP address space and has led to the idea that the Internet will eventually "run out" of IP addresses.