Go to Settings >>> Manage Nodes
Select No Grouping and it should tell you displaying 250 of totla number of nodes
In your database manager
Another method is to go to Admin > Details > License Details
This page will show you the node/element counts across NPM and all of the installed modules.
Two more choices:
- Go to Settings, Polling Engines - that will give you the load on each polling engine (if you have more than one)
- Download my polling engine load report: Orion_Polling_Engine_Load.OrionReport which will give you the breakdown of total nodes, interfaces, volumes, APM monitors, custom pollers and more.