Hello,

Just finished the Subnetting section on CBT nuggets. Started searching for more subnetting exercises online and found a great practice sheet. However the practice work Im doing now Gives me the Class of the network (A,B,C) and wants me to determine the best subnet mask to use based on the desired amount of subnets.

The first question is if you have a Class A network and wish to have 50 subnets what should the subnet be if you want the most hosts per network as possible. The answer is already goven as 255.252.0.0 however it doesn't explain the math process to get to this number and I'm curious how to do it. If any of you subnetting Gurus know more about this please help.

Thanks.

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