A subnet mask is a number that specifies which parts of an IP address represent the host and network portions of the address. These masks are 32 bits in IPv4 networks and 128 bits in IPv6 networks. A ...

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 ...

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 ...

Broadcast and video production systems are moving rapidly into the IP realm. Therefore, understanding IP basics is now part of the engineer’s toolkit. To understand how IP works, we need to understand ...

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 ...