An Internet Protocol address (IP address) is a numerical label such as 192.0.2.1 that is assigned to a device connected to a
Internet Protocol version 4 (IPv4) defines an IP address as a 32-bit number. However, … See more

An IP address serves two principal functions: it identifies the host, or more specifically its network interface, and it provides the location of the host in the network, and thus the capability of establishin… See more

Two versions of the Internet Protocol are in common use on the Internet today. The original version of the Internet Protocol that was first deployed in 1983 in the ARPANET, the predecessor of the Internet, is Internet Protocol ve… See more

IP networks may be divided into subnetworks in both IPv4 and IPv6. For this purpose, an IP address is recognized as consisting of two parts: the network prefix in the high-order bits and the remaining bits called the r… See more

An IPv4 address has a size of 32 bits, which limits the address space to 4294967296 (2 ) addresses. Of this number, some addresses are reserved for special purposes such as private networks (≈18 millio… See more

In IPv6, the address size was increased from 32 bits in IPv4 to 128 bits, thus providing up to 2 (approximately 3.403×10 ) addresses. This is deemed sufficient for the foreseeable future.
The intent … See more

IP addresses are assigned to a host either dynamically as they join the network, or persistently by configuration of the host hardware or software. Persistent configuration is also known as using a static IP ad… See more