About The IP Address:
Internet Protocol, or IP for short, is a communication protocol used to transfer data without validation or data validation arrival, but he compensates by being extremely fast and efficient, and therefore one of the most common protocols used in computer networks, and is the basic protocol of the Internet. IP is part of a suite of protocols TCP / IP. Networks that use IP in each computer must be assigned a unique IP address. Functioning IP network layer of the OSI model and the network layer of the TCP model.
IP Versions:
IP version 4 - The common version of the IP protocol is version 4, this version that works with 32-bit long addresses. And therefore theoretically provides over 4 billion addresses. In practice a much smaller number due to the existence of large ranges of addresses reserved. Due to the limited amount of IPv4 addresses and the continuing growth in Internet use, decreasing the amount of available addresses. On 3 February 2011 the last address ranges assigned by the Central Authority IANA, and according to reviews in the field also addresses run out of impressions regional before the end of 2011.
IP version 6 - The constant growth of the Internet and the growing demand for addresses for all peripherals. Led to the development of version 6 of the Protocol. This version works with 128-bit long addresses. Number of unique addresses that can be provided with version 6 is over 1038*3.4