You can give this script a go.
It searches for the last update time of (filtered) devices from X hours ago
When X is set to, say, 24, all devices without any update for the last 24hrs get reported.
Example
You can give this script a go.
It searches for the last update time of (filtered) devices from X hours ago
When X is set to, say, 24, all devices without any update for the last 24hrs get reported.
Example