Filed by: Globix Corporation
                                                     Pursuant to Rule 425 under
                                         the Securities Act of 1933, as amended
                               
                                    Subject company:  NEON Communications, Inc.
                                                         File Number: 021-51861
                             

                     [NEON Communications, Inc. Letterhead]




                                February 24, 2005



TO HOLDERS OF
NEON COMMUNICATIONS, INC.
CLASS A WARRANTS

Dear Holders of NEON Communications, Inc. Class A Warrants:

Enclosed  please  find a copy of the joint  proxy  statement/prospectus  of NEON
Communications,  Inc. ("NEON") and Globix Corporation ("Globix") relating to the
special  meetings of  stockholders  of NEON and Globix to consider and vote upon
the  proposed  merger of a new wholly owned  subsidiary  of Globix with and into
NEON,  resulting  in NEON  becoming a wholly  owned  subsidiary  of Globix  (the
"Merger") and related matters.

This joint proxy statement/prospectus is being provided to you for informational
purposes.  Under  the  terms  of the  Class A  Warrant  Agreement,  prior to the
exercise of your Class A warrants, you do not have any rights as stockholders of
NEON and therefore  will not be entitled to vote on the matters to be considered
at the NEON special meeting.

This joint proxy  statement/prospectus  contains important  information that you
should consider in connection with any exercise of your Class A warrants. If you
have any questions,  you may contact Mr.  Christopher  E. Dalton,  NEON's Senior
Counsel, at (508) 621-1714.

                                         Sincerely,



                                         /s/  Stephen E. Courter
                                         -------------------------------------
                                         Stephen E. Courter
                                         Chief Executive Officer and President