Exhibit 23.2 ------------ INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of CAIS Internet, Inc. on Form S-8 of our report dated October 22, 1999 on the financial statements of ATCOM, Inc. appearing in the Form 8-K/A of CAIS Internet, Inc. dated November 12, 1999. /S/ DELOITTE & TOUCHE LLP - ------------------------- San Diego, California November 19, 1999