The country's oldest telecommunications group, Rwandatel, went into liquidation in 2011, having been 80% owned by Libyan company LAP Green. The company was acquired in 2013 by Liquid Telecom, a company providing telecommunications and fibre optic networks across eastern and southern Africa. , Liquid Telecom provides landline service to 30,968 subscribers, with mobile operator MTN Rwanda serving an additional 15,497 fixed line subscribers. Landlines are mostly used by government institutions, banks, NGOs and embassies, with private subscription levels low. , mobile phone penetration in the country is 72.6%, up from 41.6% in 2011. MTN Rwanda is the leading provider, with 3,957,986 subscribers, followed by Tigo with 2,887,328, and Bharti Airtel with 1,336,679. Rwandatel has also previously operated a mobile phone network, but the industry regulator revoked its licence in April 2011, following the company's failure to meet agreed investment commitments. Internet penetration is low but rising rapidly; in 2015 there were 12.8 internet users per 100 people, up from 2.1 in 2007. In 2011, a  fibre-optic telecommunications network was completed, intended to provide broadband services and facilitate electronic commerce. This network is connected to SEACOM, a submarine fibre-optic cable connecting communication carriers in southern and eastern Africa. Within Rwanda the cables run along major roads, linking towns around the country. Mobile provider MTN also runs a wireless internet service accessible in most areas of Kigali via pre-paid subscription.