Network Tools

IP Subnet Calculator

IPv4 and IPv6 Subnet Calculator

IPv4 and IPv6 Subnet Calculator

Frequently asked questions

Is IP Subnet Calculator free to use?

Yes, IP Subnet Calculator is completely free with no sign-up, usage limits, watermarks or ads gating the result. Just open it and use it.

Is IP Subnet Calculator safe and private?

Yes. IP Subnet Calculator runs entirely in your browser — your files and data never leave your device and nothing is uploaded to any server.

Do I need to install anything to use IP Subnet Calculator?

No installation is required. IP Subnet Calculator works in any modern web browser on Windows, macOS, Linux, Android and iOS.

How do I use IP Subnet Calculator?

IPv4 and IPv6 Subnet Calculator. Enter or upload your input, and you'll get instant results you can copy or download.

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