sadly it is not possible to add ranges 10.0.0.40-80 or different subnet masks. The only masks that work are 255 or 0. You are not able to lets say create a filter like this 10.0.0.100 with mask 255.255.255.128. You can add 1 address entries but they are limited to around 100 so it is not possible to cover a whole range of a subnet.
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