CIDR to IP Range Converter

How to use CIDR to IP Range Converter

Enter an address and prefix such as 192.168.10.25/24 or 2001:db8::1/64. Calculate the inclusive first and last addresses and exact range size. This tool does not enumerate addresses or establish whether they can all be assigned.

Is this tool free?

You can complete three tools as a guest across this collection. Continue with Google for further use. Failed operations do not consume a successful use.

Where is my content processed?

Calculations run in your browser. Only tool usage and outcome are sent for account limits and analytics; entered network values are not sent.

What does the result mean?

Reports describe address ranges, representations or timing estimates from your inputs. They do not discover connected devices, configure your network or measure a live connection. Tool-specific assumptions appear beside the result.

Can I use CIDR to IP Range Converter without signing up?

Yes. You can complete three successful operations across this tools collection as a guest. Continue with Google for further use. Failed operations do not reduce the successful-use allowance.

Does CIDR to IP Range Converter store my inputs in analytics?

Usage analytics record the tool, account or browser identity, status and time, without storing input text, passwords, tokens or file contents. Your content is processed in your browser.