V$OBJECT_USAGE displays statistics about index usage gathered from the database for the indexes owned by the current user. You can use this view to monitor index usage. All indexes that have been used at least once can be monitored and displayed in this view.
Index name in sys.obj$.name
Table name in sys.obj$.name
Start monitoring time in sys.object_stats.start_monitoring
End monitoring time in sys.object_stats.end_monitoring
To view the information in the V$OBJECT_USAGE view, you must be connected as the user owner of the objects you want to monitor, otherwise you might not find the monitoring information you are looking for.