Explanation of the correct CIDR notation

Owned by Merry Arpaia
Oct 22, 2024
1 min read

Each octect has a value of 8. The following are examples of how to create individual access control rules:

  • 0.0.0.0/0 -Allows <anything>.<anything>.<anything>.<anything>

  • 192.0.0.0/8 -Allows 192.<anything>.<anything>.<anything>

  • 192.168.0.0/16 -Allows 192.168.<anything>.<anything>

  • 192.168.2.0/24 -Allows 192.168.2.<anything>

  • 192.168.2.1/32 -Allows only that specific IP

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