Welcome to SubNetSkills
Subnetting is a critical skill required to pass networking exams. The goal of this site is to assist you in building the skills necessary to prepare for networking exams, and to be a better network engineer. The more you practice, the more natural subnetting will become to you. To begin, select a task from the menu on the left. Tasks at the top of the menu tend to be easier; those at the bottom, more difficult.
News and Events
Subnetting Skills Going the Way of the Dinosaur (01/26/2012)
...Or so says Global Knowledge, a leading IT training outfit. So this is not really news; we all know that IPv6 is the death to subnetting. It's interesting to see it in print, however. Read the full article at Global Knowledge.