101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:calculationLink link:presentationLink link:definitionLink 104 - Statement - CONSOLIDATED BALANCE SHEETS link:calculationLink link:presentationLink link:definitionLink 105 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 106 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS) link:calculationLink link:presentationLink link:definitionLink 107 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:calculationLink link:presentationLink link:definitionLink 108 - Disclosure - DESCRIPTION OF THE COMPANY AND NATURE OF OPERATIONS link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - ACQUISITION link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - OPERATING SEGMENTS link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - INVESTMENT IN JOINT VENTURE link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - FAIR VALUE MEASUREMENTS link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - PROPERTY AND EQUIPMENT link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - RESTRUCTURING link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - ACCRUED LIABILITIES link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - CREDIT AGREEMENT link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - CAPITAL LEASES link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - INCOME TAXES link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - EMPLOYEE RETIREMENT PLAN link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - COMMITMENTS, CONTINGENCIES, CONCENTRATIONS OF RISK AND LITIGATION link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - PREFERRED STOCK link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - STOCK-BASED COMPENSATION PLANS link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - RELATED PARTY TRANSACTIONS link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - UNAUDITED QUARTERLY RESULTS link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - FINANCIAL STATEMENT SCHEDULE link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - ACQUISITION (Tables) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - OPERATING SEGMENTS (Tables) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - INVESTMENT IN JOINT VENTURE (Tables) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - PROPERTY AND EQUIPMENT (Tables) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - RESTRUCTURING (Tables) link:calculationLink link:presentationLink link:definitionLink 137 - Disclosure - ACCRUED LIABILITIES (Tables) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - CREDIT AGREEMENT (Tables) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - CAPITAL LEASES (Tables) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - INCOME TAXES (Tables) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - COMMITMENTS, CONTINGENCIES, CONCENTRATIONS OF RISK AND LITIGATION (Tables) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - STOCK-BASED COMPENSATION PLANS (Tables) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - RELATED PARTY TRANSACTIONS (Tables) link:calculationLink link:presentationLink link:definitionLink 144 - Disclosure - UNAUDITED QUARTERLY RESULTS (Tables) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - DESCRIPTION OF THE COMPANY AND NATURE OF OPERATIONS - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 146 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 147 - Disclosure - Basic and Diluted Net Loss Per Share Calculation (Detail) link:calculationLink link:presentationLink link:definitionLink 148 - Disclosure - ACQUISITION - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 149 - Disclosure - Purchase Price Allocation (Detail) link:calculationLink link:presentationLink link:definitionLink 150 - Disclosure - Intangible Assets Acquired (Detail) link:calculationLink link:presentationLink link:definitionLink 151 - Disclosure - Unaudited Pro forma Results (Detail) link:calculationLink link:presentationLink link:definitionLink 152 - Disclosure - Unaudited Pro forma Results (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 153 - Disclosure - OPERATING SEGMENTS - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 154 - Disclosure - Operating Results for Business Segments, with Reconciliations from Segment Profit to Loss Before Income Taxes and Equity in (Earnings) of Equity-Method Investment (Detail) link:calculationLink link:presentationLink link:definitionLink 155 - Disclosure - Total Assets by Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 156 - Disclosure - Impairment Charges by Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 157 - Disclosure - INVESTMENT IN JOINT VENTURE - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 158 - Disclosure - Investment Activity in Joint Venture in IP Services Operating Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 159 - Disclosure - Audited Summarized Financial Information for Internap Japan (Detail) link:calculationLink link:presentationLink link:definitionLink 160 - Disclosure - Fair Value Hierarchy for Financial Assets Measured at Fair Value on a Recurring Basis (Detail) link:calculationLink link:presentationLink link:definitionLink 161 - Disclosure - Fair Value Hierarchy for Financial Assets Measured at Fair Value on a Recurring Basis (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 162 - Disclosure - Summary of Changes in Fair Value of Level 3 Financial Assets, Auction Rate Securities and Auction Rate Securities Rights (Detail) link:calculationLink link:presentationLink link:definitionLink 163 - Disclosure - Information About Term Loan, Revolving Credit Facility and Other Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 164 - Disclosure - Property and Equipment (Detail) link:calculationLink link:presentationLink link:definitionLink 165 - Disclosure - Property and Equipment (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 166 - Disclosure - PROPERTY AND EQUIPMENT - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 167 - Disclosure - Summary of Depreciation and Amortization of Property and Equipment Associated with Direct Costs of Network, Sales and Services and Other Depreciation Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 168 - Disclosure - Summary of Depreciation and Amortization of Property and Equipment Associated with Direct Costs of Network, Sales and Services and Other Depreciation Expense (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 169 - Disclosure - Carrying Amount of Goodwill (Detail) link:calculationLink link:presentationLink link:definitionLink 170 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 171 - Disclosure - Components of Amortizing Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 172 - Disclosure - Remaining Amortization Expense for the Next Five Years (Detail) link:calculationLink link:presentationLink link:definitionLink 173 - Disclosure - Activity and Balances for Restructuring and Asset Impairment (Detail) link:calculationLink link:presentationLink link:definitionLink 174 - Disclosure - Accrued Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 175 - Disclosure - CREDIT AGREEMENT - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 176 - Disclosure - Summary of Credit Agreement (Detail) link:calculationLink link:presentationLink link:definitionLink 177 - Disclosure - Summary of Credit Agreement (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 178 - Disclosure - Maturities of Term Loan (Detail) link:calculationLink link:presentationLink link:definitionLink 179 - Disclosure - CAPITAL LEASES - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 180 - Disclosure - Future Minimum Capital Lease Payments and Present Value of Minimum Lease Payments for All Capital Leases (Detail) link:calculationLink link:presentationLink link:definitionLink 181 - Disclosure - Current and Deferred Income Tax Provision (Detail) link:calculationLink link:presentationLink link:definitionLink 182 - Disclosure - INCOME TAXES - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 183 - Disclosure - Reconciliation of the Effect of Applying Federal Statutory Rate and Effective Income Tax Rate on Income Tax Provision (Detail) link:calculationLink link:presentationLink link:definitionLink 184 - Disclosure - Temporary Differences Between Financial Statement Carrying Amounts and Tax Bases of Assets and Liabilities that Give Rise to Significant Portions of Deferred Taxes (Detail) link:calculationLink link:presentationLink link:definitionLink 185 - Disclosure - Changes in Deferred Tax Asset Valuation Allowance (Detail) link:calculationLink link:presentationLink link:definitionLink 186 - Disclosure - Changes in Unrecognized Tax Benefits (Detail) link:calculationLink link:presentationLink link:definitionLink 187 - Disclosure - EMPLOYEE RETIREMENT PLAN - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 188 - Disclosure - COMMITMENTS, CONTINGENCIES, CONCENTRATIONS OF RISK AND LITIGATION - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 189 - Disclosure - Future Minimum Lease Payments on Non-Cancelable Operating Leases (Detail) link:calculationLink link:presentationLink link:definitionLink 190 - Disclosure - Future Minimum Payments under Service Commitments (Detail) link:calculationLink link:presentationLink link:definitionLink 191 - Disclosure - PREFERRED STOCK - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 192 - Disclosure - Amount of Stock-Based Compensation, Net of Estimated Forfeitures, Included in Consolidated Statements of Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 193 - Disclosure - STOCK-BASED COMPENSATION PLANS - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 194 - Disclosure - Stock Option Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 195 - Disclosure - Fully Vested and Exercisable Stock Options and Stock Options Expected to Vest (Detail) link:calculationLink link:presentationLink link:definitionLink 196 - Disclosure - Restricted Stock Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 197 - Disclosure - Total Unrecognized Compensation Costs Related to Unvested Stock-Based Compensation (Detail) link:calculationLink link:presentationLink link:definitionLink 198 - Disclosure - RELATED PARTY TRANSACTIONS - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 199 - Disclosure - Transactions with Internap Japan (Detail) link:calculationLink link:presentationLink link:definitionLink 200 - Disclosure - Unaudited Quarterly Data (Detail) link:calculationLink link:presentationLink link:definitionLink 201 - Disclosure - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Detail) link:calculationLink link:presentationLink link:definitionLink