Network devices use IP addresses and subnets to identify the source and destination of communications and manage network addresses respectively. IP addresses contain two parts: a network identifier ...

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 ...

A subnet mask is a 32-bit binary number used in modern network addressing schemes to differentiate between a network's location and the specific location of a host or device on that network. A subnet ...

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 ...

In the last two articles, we talked about IPv4 basics (Part IV) (Part V). We introduced the concept of folding a sheet of paper to understand subnetting. Each fold of the paper is a bit borrowed from ...