With IP Network Calculator, I can move the slider to make the CIDR /25. This breaks my network into two subnets and the app will show me information such as the number of usable IPs, first and last IP ...

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Hey all, I'm looking for an easy funtion that I can use in a BASH script (preffered a bash function) to calculate the IP Range/CIDR based off an IP and SUBNET Mask ...