EXHIBIT 23.1

               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS

         We consent to the reference to our firm under the caption "Experts" in
the Registration Statement (Form S-3) and related Prospectus of IFX Corporation
for the registration of 65,457 shares of its common stock and to the
incorporation by reference therein of our report dated September 24, 1999 with
respect to the consolidated financial statements and schedule of IFX Corporation
as of and for the year ended June 30, 1999, included in its Annual Report (Form
10-K) for the year ended June 30, 1999, filed with the Securities and Exchange
Commission.


                                                        /s/ ERNST & YOUNG LLP



Miami, Florida
January 14, 2000