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CIDR Calculator Guide

The CIDR Calculator is a tool that helps you calculate network information based on an IP address and prefix length.

Using the Calculator​

  1. Enter an IP address (e.g., 192.168.1.0)
  2. Enter a prefix length (e.g., 24)
  3. Click Calculate

Understanding the Results​

The calculator will show you:

  • Network Address
  • Broadcast Address
  • First Usable Host
  • Last Usable Host
  • Total Usable Hosts
  • Subnet Mask

Try It Out​

You can try the CIDR Calculator in our Tools section.