IP Subnet Calculator

Calculate subnet masks and host ranges.

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About this tool

Calculate subnet masks and host ranges This free Networking tool from Bhuvanesh C runs entirely in your browser — your data stays on your device.

FAQ

Common questions about the IP Subnet Calculator.

Calculate subnet masks and host ranges. It is part of my free Networking collection and works instantly in your browser.
Yes. This tool is completely free with no usage limits and no account required.
No. Processing happens in your browser whenever possible. Your input is not sent to my server.
Yes. The layout is responsive and works on phones, tablets, and desktops.
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