<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM
S-1 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C> <C>
<PERIOD-TYPE> 9-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-2000
<PERIOD-START> MAR-18-1999 JAN-1-2000
<PERIOD-END> DEC-31-1999 JUN-30-2000
<CASH> 1,271,105 3,001,328
<SECURITIES> 0 0
<RECEIVABLES> 10,685,065 18,690,740
<ALLOWANCES> 280,237 370,264
<INVENTORY> 0 0
<CURRENT-ASSETS> 1,497,668 2,321,428
<PP&E> 11,171,907 26,281,308
<DEPRECIATION> 2,581,358 6,177,507
<TOTAL-ASSETS> 51,289,804 68,337,194
<CURRENT-LIABILITIES> 36,408,427 51,534,364
<BONDS> 0 0
0 0
25,803,156 50,943,794
<COMMON> 39,854 39,855
<OTHER-SE> (24,709,975) (60,337,473)
<TOTAL-LIABILITY-AND-EQUITY> 51,289,804 68,337,194
<SALES> 0 0
<TOTAL-REVENUES> 25,276,935 45,090,673
<CGS> 0 0
<TOTAL-COSTS> 59,933,295 78,824,025
<OTHER-EXPENSES> 130 0
<LOSS-PROVISION> 312,199 257,494
<INTEREST-EXPENSE> 2,297,300 6,432,109
<INCOME-PRETAX> (36,910,315) (40,008,547)
<INCOME-TAX> 5,760,400 0
<INCOME-CONTINUING> (31,149,915) (40,008,547)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (31,149,915) (40,008,547)
<EPS-BASIC> (1.16) (1.27)
<EPS-DILUTED> (1.16) (1.27)
</TABLE>