Exhibit 23.1

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 9, 2007 relating to the financial statements, financial statement schedule, management's assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, of Internap Network Services Corporation, which appears in Internap Network Services Corporation 's Annual Report on Form 10-K for the year ended December 31, 2006.