Consent of Independent Auditors
We consent to the incorporation by reference of our report, dated
January 21, 2000, except for note 13, as to which the
date is March 20, 2000, in the Form 8-K/A of NEXTLINK
Communications, Inc., dated August 21, 2000, with respect to
the consolidated financial statements and schedule of Concentric
Network Corporation included in its Annual Report on Form 10-K
for the year ended December 31, 1999, filed with the
Securities and Exchange Commission.
San Jose, California
August 21, 2000
