A routing issue between telecommunications company Smart and Facebook was identified as the root cause why some Facebook users have a problem accessing the app including Messenger app on Sunday.
Most of those who were affected, according to Smart’s tweet on Sunday, was Smart, TNT, and Sun customers.
“Our network teams are now taking steps to resolve this concern at the soonest possible time,” the statement added.
Some Smart, TNT and Sun customers are having difficulty using Facebook and Facebook Messenger due to a routing issue between Smart & Facebook. Our network teams are now taking steps to resolve this concern at the soonest possible time. Thank you for understanding. #facebookdown
— SMART (@LiveSmart) September 15, 2019
The hashtag #facebookdown trended on Twitter early Sunday morning.
Most of the tweets were from the Philippines.
However, according to a report by Rappler, they said DownDetector also reported areas in the United States and parts of Europe and Latin America as affected as well.
At least 57 percent reported that they were having trouble accessing their newsfeed in a timely manner while 22 percent are reporting trouble logging in to the service, and 17 percent said they’re experiencing a total blackout on Facebook.
As of this writing, Facebook has not yet issued any official statement about the outage in some parts of the world.
