🌐  Cloud & DevOps

CIDR Calculator

Calculate network address, broadcast address, host range and address count for an IPv4 CIDR block.

Free toolClient-sideNo account required

Result

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All processing is performed locally in your browser. Results are estimates and should be checked against your provider, infrastructure configuration and actual usage before making production or financial decisions.

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How to use this calculator

What to enter

Enter or select the following as requested: IPv4 CIDR. Follow the units, valid ranges, examples, and options displayed beside each field.

What the result means

The output is the transformed value, generated snippet, lookup result, or technical measurement produced from the supplied input and selected options. Review the output before using it, and verify compatibility with the target system or format.

When to use it

Use this as a developer or technical utility for encoding, conversion, validation, calculation, or reference. Do not treat a successful transformation as proof that a system is secure or that generated code is production-ready.