Starent Networks was an information technology and computer networking products company. It was headquartered in Tewksbury, Massachusetts, USA, with major engineering facilities in Pune, India and Bangalore, India. On December 18, 2009, Cisco completed the acquisition of Starent Networks. On October 13, 2009, Cisco announced a plan to purchase Starent for $2.9 billion USD.On December 18, 2009, Cisco completed acquisition of Starent Networks.