Dear colleagues, While at this point it is still unclear what exactly happened at Facebook on 27 January, we collect data on the Internet control plane (BGP) and data plane that allows us to provide some insight into what happened with Facebook's connectivity to the rest of the Internet. Please find more details on RIPE Labs: https://labs.ripe.net/Members/emileaben/facebookdown-and-what-internet-data Kind regards, Mirjam Kuehne RIPE NCC