Cloudflare has a useful tool for measuring if your ISP is using RPKI.[0] For Facebook, this is the latest I could find for their implementation of BGP.[1][2] [

Cloudflare has a useful tool for measuring if your ISP is using RPKI.[0] For Facebook, this is the latest I could find for their implementation of BGP.[1][2] [0] https://isbgpsafeyet.com/ https://isbgpsafeyet.com/ [1] https://engineering.fb.com/2021/05/13/data-center-engineering/bgp/ https://engineering.fb.com/2021/05/13/data-center-engineerin... [2] https://www.usenix.org/conference/nsdi21/presentation/abhashkumar https://www.usenix.org/conference/nsdi21/presentation/abhash...