ipIP Subnet Calculator
Calculate network, broadcast, mask and usable address range from IPv4 and CIDR.
Calculations run on your device. /31 represents two point-to-point addresses and /32 a single host. IPv6 subnet calculation is not supported by this tool.
How to use this tool
Enter a value in the format shown and press Start. Enter domains without a protocol, path or port.
Interpreting results
Calculations run on your device. /31 represents two point-to-point addresses and /32 a single host. IPv6 subnet calculation is not supported by this tool.
This tool runs on your device; entered values are not sent to a data provider. Privacy information ↗
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