How To Find Number Of Subnets?
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1. Determine the number of bits required for the subnet mask. The formula for determining this is (2^n) – 2, where ‘n’ is the number of bits you need for your subnets.
2. Once you have the number of bits, use the formula (2^n) – 2 to determine the total number of subnets you can have. For example, if you need 6 bits for the subnet mask, the total number of subnets you can have is (2^6) – 2 = 62.