CIDR Calculator
Calculate IP ranges from CIDR notation.
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About the CIDR Calculator
An essential networking tool for calculating IP address ranges from CIDR notation. Understand network boundaries, available hosts, netmasks, and wildcard masks instantly.
CIDR notation is fundamental to modern networking, but calculating the details by hand is tedious and error-prone. This tool saves you time and prevents mistakes when planning networks, configuring firewalls, or setting up routing tables. It provides a clear breakdown of any CIDR block, helping you visualize the scope of a network.