https://www.bleepingcomputer.com/news/technology/facebook-instagram-and-whatsapp-back-online-after-bgp-fix/

Facebook, Instagram, and WhatsApp are starting to come back online after a BGP routing issue caused an over five-hour worldwide outage.

Today, at approximately 11:50 AM EST, all three websites were suddenly unreachable, with browsers displaying DNS errors when attempting to open them.