Whether you need an IP subnetting cheat sheet or you're preparing for a Cisco Certified Network Associate, or CCNA, exam, this article shows you how to calculate a subnet mask, break down IP address ...

Subnetting is a fundamental part of network architecture and design. Network administrators create subnets to divide the network into smaller segments and gain granular control of the infrastructure.

Subnet Mask divides the IP address into two segments and informs the computer which part is the network bit and which one is the host bit. For example, if there is an IP address: 192.168.0.1, it will ...