command
| tr -d " " | sed 's/[0-9]*$/0\/24/'
result
echo "192.168.1.1" | tr -d " " | sed 's/[0-9]*$/0\/24/'
192.168.1.0/24
command
| tr -d " " | sed 's/[0-9]*$/0\/24/'
result
echo "192.168.1.1" | tr -d " " | sed 's/[0-9]*$/0\/24/'
192.168.1.0/24