How To Calculate Subnets And Hosts Per Subnet?
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1. Identify the network address and subnet mask.
2. Convert the subnet mask to binary.
3. Count the number of “1”s in the binary subnet mask.
4. Calculate the number of subnets: 2^n, where n is the number of “1”s in the subnet mask.
5. Calculate the number of hosts per subnet: 2^(32-n) – 2, where n is the number of “1”s in the subnet mask.