Networker restored SQL database pages

Hi,

Suppose to have a full backup of a SQL database.

Performing a restore of this database with networker, I can see in the networker restore session log that "Processed X pages for database '<DBNAME>'

If I multiply this value with 8k , I don't obtain the size of the database.

Differently, on SQL server instance log, I can see that "X pages" are restored. If I multiply this X with 8k, I roughly obtain the size of my database. 

Could someone explain why I receive from networker a different page number? These pages are not 8k pages? Is this a bug ?

Thanks a lot in advance for any suggestion

Pierpa