what are ip subnets
A subnetwork, or subnet, is a logical, visible subdivision of an IP network.The practice of dividing a network into two or more networks is called subnetting. Computers that belong to a subnet are addressed with a common, identical, most-significant bit-group in their IP address.This results in the logical division of an IP address into two fields, a network or routing prefix and the rest field or host identifier.he process of subnetting involves the separation of the network and subnet portion of an address from the host identifier. This is performed by a bitwise AND operation between the IP address and the (sub)network mask. The result yields the network address or prefix, and the remainder is the host identifier.