ADODB Recordset Return

I am running a query that can return over 16000 records in the recordset. The problem is that whenever the return is greater than 16000 the recordset is null instead of having data. I have been looking around the internet, not sure if this is an administrative option. I am using IIS with an ORACLE DB, and ASP XSL for the pages. Anyone know why the system seems incapable of returning over 16000 records? I can return 16000+ with simplier queries. Running the same query in SQL-PLUS works perfectly.
Here is the query I am running.

SELECT * FROM (SELECT STATUS, ADDRESS, NAME, POSITION, GROUP, POINTS, GROUP_STATUS, USER_ID, USER_DESCRIPTION, ROW_NUMBER() OVER (ORDER BY GROUP, NAME, ADDRESS) AS RANK FROM USERS U, GROUPS G, USER_GROUPS UG WHERE G.ID = UG.GROUP_ID AND U.ID = UG.USER_ID *** Additional user filtering done here ***) WHERE RANK BETWEEN 0 AND 50
I am returning 50 users per page. This all works fine until I hit the 16000 record limit, at which point there is no data in the recordset.