The sole internet service provider is the national telecommunications firm Ethio telecom. A large portion of users in the country access the internet through mobile devices. , there are around 4.29 million people who have internet access at their home as compared to a quarter of a million users a decade before that. The Ethiopian government has at times intentionally shut down internet service in the country or restricted access to certain social media sites during periods of political unrest. In August 2016, following protest and demonstration in the Oromia Region, all access to the internet was shut down for a period of two days. In June 2017, the government shut down access to the internet for mobile users during a period that coincided with the administration of Ethiopia's university entrance examination. Although the reason for the restriction was not confirmed by the government, the move was similar to a measure taken during the same period in 2016, after a leak of test questions.