EXHIBIT 23(a) CONSENT OF INDEPENDENT ACCOUNTANTS CONSENT OF INDEPENDENT AUDITORS We consent to the reference to our firm under the caption "Experts" in the Registration Statement Form S-8 pertaining to the 1998 Stock Incentive Plan of Cybernet Internet Services International, Inc. and to the incorporation by reference therein of our report dated March 29, 2000, with respect to the consolidated financial statements and consolidated financial statements schedule of Cybernet Internet Services International, Inc., included in its Annual Report on Form 10-K for the year ended December 31, 1999, filed with the Securities and Exchange Commission. Ernst & Young Deutsche Allgemeine Treuhand AG /s/ Ralf Broschulat /s/ Christian Uphaus - ------------------- -------------------- Ralf Broschulat Christian Uphaus Independent Public Accountant Independent Public Accountant Munich, Germany June 29, 2000