Exhibit 23.1

We hereby consent to the incorporation by reference in the Registration Statements on Forms S-3 (Nos. 333-70870, 333-47288, 333-108573, 333-111878, 333-111880 and 333-118234) and on Forms S-8 (Nos. 333-89369, 333-37400, 333-40430, 333-42974, 333-43996, 333-127989, 333-117068 and 333-111543) of Internap Network Services Corporation of our report dated March 6, 2006 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, which appears in this Form 10-K.