I am seeing utilization as follows. Select the desired Network at the top. Highlight Organization and then Summary Report under the Monitor menu Change Network(s) from "Entire organization" to "A single network" Select the appliance of your choice It displays below the graph on the lefthand side ... View more

Check your DHCP settings to verify none of these subnets exist in there. Do you have any vlans configured on the dashboard with these IP's? ... View more