Netmask Calculator

Calculate the netmask and CIDR notation for two IP addresses.


Example: 192.168.0.1 or 2402:4003:c00::6a . The type of this IP address must be the same as the type of the second IP address.

Example: 192.168.0.10 or 2402:4003:c00::7f . The type of this IP address must be the same as the type of the first IP address.




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