What Is Subnet Mask. Learn the definition of subnet mask and get answers to faqs regarding: The subnet mask is used by the router to cover up the network address.

Subnet masks are used to design subnetworks, or subnets, that connect local networks.

The subnet mask is the network address plus the bits reserved for identifying the subnetwork — by convention, the bits for the network address are all set. A subnet mask is a way of telling your computer or router what network addresses are local and which are remote. Subnetting allows network administrators some flexibility in defining relationships among network hosts, which can improve network security and perhaps the most recognizable aspect of subnetting is the subnet mask. • the subnet mask for a class c address 192.168.2. First, we need to convert the ip address to binary All zeros are placed on the right while all 1s are placed on the left. It also helps define the size of a a subnet mask can be converted into binary form that consists of 0s and 1s. Before we dive into what a subnet mask is and how it works, know that the subject can be technical and involve jargon that is hard to digest. Network classes and subnet mask. A subnet mask hides (or masks) the network part of a system's ip address and leaves only the host part as the machine identifier. The subnet mask is the network address plus the bits reserved for identifying the subnetwork — by convention, the bits for the network address are all set.