An example of an IPv4 address looks like this The minimum number is 0, and the maximum number is 255. IPv4 addresses are formatted in four groups of numbers separated by dots. Due to the massive growth of the internet, IPv6 has been developed, and it uses 128-bit numbers. There are currently two versions of IP addresses. An internet protocol address is used to uniquely identify a computer or device such as printers, storage disks on a computer network. IP Address is the acronym for Internet Protocol address. Hacking Activity: Configure Static ARP in Windows.What is Address Resolution Protocol (ARP) Poisoning?.