The National Center for Education Statistics (NCES) releases all IPEDS data through the Peer Analysis System (PAS).
The IPEDS PAS is located at http://nces.ed.gov/datatools/index.asp?DataToolSectionID=2.
The University of Illinois campuses are:
Planning and Budgeting
338 Henry Administration Building
506 South Wright Street
Urbana, IL 61801, USA
Tel: (217) 333-6600
Fax: (217) 333-6355