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Thread: Subnet masks

  1. #1

    Subnet masks

    Am I correct in thinking that if I want to deny access to the IP range:

    24.39.0.0 - 24.40.79.255

    I would use the following subnet masks:

    24.39.0.0 - 255.255.0.0
    24.40.0.0 - 255.255.192.0
    24.40.64.0 - 255.255.240.0

  2. #2
    Join Date
    Nov 2005
    Location
    Minneapolis, MN
    Posts
    1,648
    Yep - that's accurate. You need to pick up that range in 3 routes, like you already figured.
    Eric Spaeth
    Enterprise Network Engineer :: Hosting Hobbyist :: Master of Procrastination
    "The really cool thing about facts is they remain true regardless of who states them."

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