“We have made this decision to block these two websites (Facebook and Twitter) from being accessed from our network,” it added.
Mr. Trump’s concession comes moments after the country’s parliament affirmed Biden’s Electoral College victory.
William Barr’s position undermines his principal’s claims of widespread voter fraud in last month’s election.
The legal adviser of Mr. Trump’s campaign insisted that the state recounted illegal ballots.
There have only been two statewide recounts in U.S. presidential elections over the last 20 years.
The U.S. president has yet to publicly concede this month’s presidential election to Joe Biden.
Mr. Biden’s victory was projected on Saturday.
“The simple fact is this election is far from over,” Mr. Trump said in a campaign statement.
Mr. Biden defeated incumbent Donald Trump following a tenuous vote on November 3.
At least 270 electoral college votes are required for either Mr. Biden or Mr. Trump to emerge as the president.