How many unique network subnets can be fomed for a class-c IP address with 28 bits as network ID bits?

Question

Also,please tell me the range of unique subnet addresses in dotted decimal notation for 192.211.0.0

Answer 1

To list every one would take ages - write it in binary and then count from the right using binary progression until you hit the first "1" and that is you thereoretical answer but then you have to deduct the broadcast address'