[NetBeck]

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/

[1] https://engineering.fb.com/2021/05/13/data-center-engineerin...

[2] https://www.usenix.org/conference/nsdi21/presentation/abhash...