User Manager and IP accounting

Hi all guys,
i’ve installed some hotspots using user manager and i’m trying to figure out how it manages ip accounting. I can see sessions but no destination address.

Let’s say one of my customers tells me “I need to know who was connected to YouPorn yesterday in the morning”: i can have a list of the users connected in the morning but no destination address.

Is there a way to visualize such information in the user manager?

I’m using User Manager as a simple RADIUS server so i think there should be a way…

Could you please help me? This thing is driving me crazy…

Thank you