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CIDR Calculator

Calculate an IPv4 or IPv6 network range.

Input

Up to 200 KB

Result

Your result will appear here.

 Processed on your device · Content is not stored.


Instructions & limits
How to use
Calculate an IPv4 or IPv6 network range.
  1. Enter your data or select Use example.
  2. Adjust the options and run the tool.
  3. Review the result and its limitations.
When to use this tool
Calculate an IPv4 or IPv6 network range.
Example input
192.168.1.10/24
Limit
Processes supplied input only. Review the output and the units or assumptions before use.
Frequently asked questions
What does CIDR Calculator do?
Calculate an IPv4 or IPv6 network range.
What should I check?
Processes supplied input only. Review the output and the units or assumptions before use.
Where is my data processed?
No. Your content is processed on your device. We do not receive your input or results.
Do I need an account?
No. Use the tools for free without signing in. Favorites and recent tools are stored only in your browser.
Does this work on mobile?
Yes. This tool supports phones and modern browsers. 
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