SQL Query for finding table usages in the unknown packages or list of objects

SQL Query for finding table usages in the unknown packages or list of objects

1. Find known table inside unknown package in plsql.

          select owner, name, referenced_owner, type from dba_dependencies where                                                              

          REFERENCED_NAME ='IBY_FNDCPT_PAYER_ASSGN_INSTR_V';