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Calculate the network address, broadcast address, subnet mask, wildcard mask, IP class, and usable host range for an IPv4 CIDR block.
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Calculate the network address, broadcast address, subnet mask, wildcard mask, IP class, and usable host range for an IPv4 CIDR block. Calculate instantly, right on this page — nothing you enter is ever sent to a server.
Fill in the input fields on the left. Every field updates the result instantly as you type.
Calculate the network address, broadcast address, subnet mask, wildcard mask, IP class, and usable host range for an IPv4 CIDR block.
Copy the result to your clipboard with one click — no account required.
Everything you need to know about this developer tool
No. The CIDR Calculator runs entirely inside your browser. Nothing you enter is ever sent to a server.
Yes, Calculator Studio is completely free with no usage limits or sign-up required.
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