Internet Protocol version 4, details ...
Internet Protocol version 4. Refers to the version of Internet protocol that supports 32-bit IP addresses.
The most widley used version of the Internet Protocol (the 'IP' part of TCP/IP.) IPv4 allows for a theoretical maximum of approximately four billion IP Numbers (technically 232), but the actual number is far less due to inefficiencies in the way blocks of numbers are handled by networks. The gradual adoption of IPv6 will solv...