subnetcalc Rewrite of dreibh/subnetcalc in Python Usage examples: subnetcalc.py [Address{/{Netmask|Prefix}}] subnetcalc.py 10.1.1.1 subnetcalc.py 10.1.1.1/24 subnetcalc.py 10.1.1.1/255.255.255.0 Build binary: pyinstaller subnetcalc.py --onefile