Specify IP address range in LUCI firewall configuration

Is there a way to specify an arbitrary address range in the LUCI port forwarding dialogue, or does it only accept masked addresses? I need to specify a range that is not on a netmask boundary.

e.g. works but does not. The iptables syntax for arbitrary IP address ranges is somewhat opaque -m iprange –src-range

The tip underneath the field suggests that a range can be used, but i suspect it only means a netmask range.



Not sure this is correct or not. You can put:

In correct CIDR notation:

I believe the boundaries are correct here.