Attached files

file filename
10-K - FORM 10-K - OPNET TECHNOLOGIES INCd10k.htm
EX-21 - EXHIBIT 21 - OPNET TECHNOLOGIES INCdex21.htm
EX-31.2 - EXHIBIT 31.2 - OPNET TECHNOLOGIES INCdex312.htm
EX-32.1 - EXHIBIT 32.1 - OPNET TECHNOLOGIES INCdex321.htm
EX-32.2 - EXHIBIT 32.2 - OPNET TECHNOLOGIES INCdex322.htm
EX-31.1 - EXHIBIT 31.1 - OPNET TECHNOLOGIES INCdex311.htm

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-44430, 333-81504, 333-152810, 333-160938, and 333-163836 on Forms S-8 of our reports dated June 4, 2010, relating to the consolidated financial statements of OPNET Technologies, Inc. and the effectiveness of OPNET Technologies, Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of OPNET Technologies, Inc. for the year ended March 31, 2010.

/s/ DELOITTE & TOUCHE LLP

McLean, Virginia

June 4, 2010