To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

A subnet allows the flow of network traffic between hosts to be segregated based on a network configuration. By organizing hosts into logical groups, subnetting can improve network security and ...

I'm assuming you're using a 255.255.255.0 mask. Changing that to 255.255.0.0 would be more than enough room to grow.

The last editionof this column discussed subnet masks and the nature of IP addressing. In this and the following column, we will begin discussing what subnetting means and how to do it. First, though, ...

Subnetting and creating subnet masks is often outsourced to consultants, but doing it yourself can be both challenging and rewarding. In the IT world, specifically in networking, there aren’t many ...

George Ou explains IP subnetting using his own graphical approach. It’s a great primer for students and a nice refresher for others. IP subnetting is a fundamental subject that’s critical for any IP ...

Subnetting a Class B network can involve some serious thought! As a network administrator, you’ll have to know it and know it well. Todd Lammle walks you through clear instructions and simple examples ...

We found several utilities to help calculate IP subnets, subnet ranges, and CIDR addressing. IP Subnet Calculator (free) is a good, basic subnet calculator that shows available subnets based on IP ...

In this next episode of NetworkChuck’s you SUCK at Subnetting course, we dive a bit deeper into how RFC1918 and NAT saved the internet from crumbling due to IP address exhaustion. So don’t miss out as ...