-n NETMASK, --netmask NETMASK
netmask,IP filter (comma separated.) eg. : -n
127.0.0.1,192.168.2.0/24,10.12.16.0/255.255.255.0
-n NETMASK, --netmask NETMASK
netmask,IP filter (comma separated.) eg. : -n
127.0.0.1,192.168.2.0/24,10.12.16.0/255.255.255.0