LLC, to a group of private investors from Accel Partners, General Catalyst Partners, In-Q-Tel and BBN's own management, making BBN an independent company for the next five years. In September 2009, Raytheon entered into an agreement to acquire BBN as a wholly owned subsidiary. The acquisition was completed on 29 October 2009 and the company was valued at approximately US$350 million. BBN owned the domain bbn.com, the second oldest currently registered domain name on the Internet, which ran continuously from April 1985 to mid-December 2019. Digital Force Technologies (DFT) of San Diego, California was a wholly owned BBN subsidiary, purchased in June 2008, and spun out in 2018. Former BBN employees have formed about a hundred startup companies with varying levels of official involvement, including Parlance Corporation and EveryZing. Locations and subsidiaries As of 2013, Raytheon BBN maintains offices in: Cambridge Highlands, Cambridge, Massachusetts Columbia, Maryland St. Louis Park, Minnesota O'Fallon, Illinois Newport East, Middletown, Rhode Island near Naval Station Newport Rosslyn, Arlington, Virginia near Washington, D.C. See also Oldest registered domain names DARWARS, a military simulation game developed with DARPA since 2003 George G. Robertson Richard E. Hayden Interlisp Notes References Bibliography External links with various figures about BBN and the ARPANET, Charles Babbage Institute, University of Minnesota. Figures include the following: Vinton G. Cerf; Frank Heart; Robert E. Kahn; Leonard Kleinrock; Alexander A. McKenzie; Severo Ornstein; David C. Walden; Charles A. Zraket; and others. Networking companies of the United States Companies based in Cambridge, Massachusetts Communications in Massachusetts Defense companies of the United States Technology companies established in 1948 Time-sharing companies Raytheon Company 2009 mergers and acquisitions