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4 Comments on “Which of the following is the minimum subnet mask to allow 172.16.1.5 and 172.16.4.3 to be on the same subnet?

  1. Marcus Vincent says:

    Because /21 allows 8 different networks starting with 172.16.0.0. If using a cidr 22, you get 4 networks starting with 172.16.0, ending at 172.16.3.254, which doesn’t include the 172.16.4.0 network. Check out subnetting.net. I hope this helps.




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