Why Understanding Classless Subnet Mask is a key stone? In my previous articles, I mentioned about how it all started with One Big IP Space, then how the Engineers divided the IP space to Classes A, B, C, D, and E. Besides, how the Engineers identified each Classful Network by setting for each Class what… Continue Reading …

Let’s dig into Understanding Classless Subnetting Concept. In my previous article Understanding Classless Subnet Mask, I have explained briefly why in the 90’s a new approach to distribute the IP Space Classless Subnet Masks was required to replace Classful Masks. In this article, I am going to dig deep into this approach for Subnetting (dividing)… Continue Reading …