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Developer / Quick tool

IPv4 CIDR Calculator

Calculate network, broadcast, subnet mask and usable host range from IPv4 CIDR notation.

● Processed locally in your browser
Processed locally in your browser
Subnet details Choose an action to process the input.

Processed locally in your browser

How to useHow to use IPv4 CIDR Calculator

Calculate network, broadcast, subnet mask and usable host range from IPv4 CIDR notation.

  1. 1

    Paste content, enter parameters or choose the files you need in “IPv4 address with prefix”.

  2. 2

    Choose “Calculate subnet” for the job. Processing runs in this browser.

  3. 3

    Review the result under “Subnet details”, then copy or download it after checking the output.

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