What is the maximum number of hosts that can be addressed in a subnet with a /27

What is the maximum number of hosts that can be addressed in a subnet with a /27 prefix?

What is the maximum number of hosts that can be addressed in a subnet with a /27 prefix?

Step 1: Understand what a /27 prefix means. A /27 prefix indicates that the first 27 bits of the IP address are used for the network part.
Step 2: Calculate the total number of IP addresses in a /27 subnet. The formula is 2^(32 - prefix length). For /27, it is 2^(32 - 27) = 2^5 = 32.
Step 3: Recognize that in every subnet, 2 IP addresses are reserved. One is for the network address and one is for the broadcast address.
Step 4: Subtract the 2 reserved addresses from the total number of addresses. So, 32 total addresses - 2 reserved addresses = 30 usable addresses.
Step 5: Conclude that the maximum number of hosts that can be addressed in a /27 subnet is 30.

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