Private company

OPNET

Software company

OPNET Technologies, Inc. was a software business that provided performance management for computer networks and applications. The company was founded in 1986 and went public in 2000. In October 2012, OPNET was acquired by Riverbed Technology, for about $1 billion US dollars.3 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1987Founded1
  • Industrycomputer hardware industry1
  • HeadquartersBethesda1
  • Websitewww.opnet.com
  • Listed onNasdaq1
  • Incorporated inNV4
  • Business address2 Bethesda Metro Center, Ste 1200, Bethesda, Md 208144

OPNET Technologies, Inc. was a software business that provided performance management for computer networks and applications.3

The story

"OPNET" was Alain Cohen's (co-founder, CTO & President) graduate project for a networking course while he was at MIT. OPNET stood for Optimized Network Engineering Tools. Alain, along with brother Marc (co-founder, CEO & Chairman) and classmate Steven Baraniuk, decided to commercialize the software. The company's first product was OPNET Modeler, a software tool for computer network modeling and simulation.

Since becoming a public company in August 2000, OPNET executed the following acquisitions:

March 2001: NetMaker Division of Make Systems

January 2002: WDM NetDesign B.V.B.A

October 2004: Altaworks Corporation

October 2007: substantially all of the assets of Network Physics, Inc.

August 2010: DSAuditor product line from Embarcadero Technologies

May 2012: Clarus Systems, Inc.

Read the full text

As an independent company, OPNET grew profitably throughout its history. SEC filings are available with further information about its IPO, annual reports, and quarterly reports.

From Wikipedia’s article on OPNET, shared under CC BY-SA 4.0.5

Products and brands

  • networking hardware

Listed on Wikidata.1

As of 2022, Riverbed discontinued sales of 'Riverbed Modeler', which was the new name for the former OPNET modeling software.

From Wikipedia’s article on OPNET, shared under CC BY-SA 4.0.5

Acquisitions

Application performance management, see AppTransaction Xpert in Comparison of packet analyzers

Network performance management

Network Simulator

From Wikipedia’s article on OPNET, shared under CC BY-SA 4.0.5

Timeline

  1. 1987Founded Founded1

SEC filer profile

How OPNET is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGAROPNET INC2
  • CIK0001171206
  • Employer ID (EIN)93-12035652
  • Incorporated inNevada2
  • Fiscal year endsDecember 312
  • Business address2 Bethesda Metro Center, Ste 1200, Bethesda, MD 208142
  • Phone30198607012
  • On EDGAR sinceApr 24, 20022
  • Filings10 in all: S-4 (3), 424B3 (2), EFFECT (2), 424B4 (1), S-4/A (1), UPLOAD (1)2

Sources

The numbers on this page point here. Each one links to the record it came from.

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