EXHIBIT 23.3


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
            --------------------------------------------------------


Neon Communications, Inc.
Westborough, MA

We hereby consent to the use in the Joint Proxy Statement/Prospectus
constituting a part of this Registration Statement on Form S-4 of our report
dated March 23, 2004, relating to the consolidated financial statements of Neon
Communications, Inc., which is contained in that Joint Proxy
Statement/Prospectus.

 We also consent to the reference to us under the caption "Experts" in the Joint
Proxy Statement/Prospectus.


/s/ BDO Seidman, LLP

Boston, MA
October 5, 2004