Prospectus Supplement                           Filed pursuant to Rule 424(b)(3)
(To Prospectus dated June 18, 1999)                   Registration No. 333-70613

                                  RMI.NET, INC.

         We have prepared this prospectus supplement to update information
included in our prospectus dated June 18, 1999. Our prospectus relates to the
offer and issuance of up to 4,000,000 shares of our common stock in acquisitions
of other businesses. This prospectus supplement includes a brief description of
our most recent acquisition.

RECENT ACQUISITION

         On June 24, 1999, we completed the acquisition by merger of Colorado
Mountain Net, Inc., a web hosting and Internet service provider based in
Steamboat Springs, Colorado. At March 31, 1999, Colorado Mountain Net, Inc. had
annualized revenues of approximately $675,000. We issued an aggregate amount of
approximately $970,000 of common stock to complete the acquisition, which
included 42,050 registered shares.

RECENT DEVELOPMENTS

         On July 8, 1999, we received confirmation that the Secretary of
State of Delaware has received and certified our amended and restated
Certificate of Incorporation, thereby completing the change of our name from
Rocky Mountain Internet, Inc. to RMI.NET, Inc. Our common stockholders
approved the name change at the 1999 Annual Meeting of Stockholders.

             The date of this prospectus supplement is July 9, 1999.