What does this report tell me?
The Internal URL Summary Report provides a list of internal web domains along with the number of hits to each domain.

• Host - This column shows the internal domain visited. Click the Host link to view a report detailing the external IPs which have visited the Host/domain.
• Count - This column shows the number of hits the Host received.

Internal URL Summary Report - online Help

Traffic Classification Object (C and R) - online Help