Convert /24
value = /24
Result: Mask: 255.255.255.0, Wildcard: 0.0.0.255
Subnet Mask Calculator
Enter a subnet mask, CIDR prefix, or wildcard mask to see all representations: dotted mask, prefix length, wildcard mask, binary, and hex.
Enter your values and press Calculate — the result appears here.
Worked examples
Frequently asked questions
What is a wildcard mask?
A wildcard mask is the inverse of a subnet mask. It is used in ACLs and routing protocols to indicate which bits should match (0) and which can vary (1).
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