What is the prefix length notation for the subnet mask 255.255.255.224?

Last Updated: Nov 24, 2022
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What is the prefix length notation for the subnet mask 255.255.255.224?

  • /25
  • /26
  • /27
  • /28

Explanation: The binary format for 255.255.255.224 is 11111111.11111111.11111111.11100000. The prefix length is the number of consecutive 1s in the subnet mask. Therefore, the prefix length is /27.

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