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CIDR Calculator

Network engineer IP calculator
CIDR (Classless Inter-Domain Routing) Calculator is a simple IP subnet
calculator for network engineers to quickly determine what the address range is
of a subnet.


Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid