Web208,Web209, Web210 and Web211 servers were unreachable for about 20 minutes
since 09:00 UTC.
At the time of writing this post all are accessible again.
The datacenter is still investigating the exact cause as of now.

Please file a support ticket with us if you see any further issues.

[09:52] The cause of the problem was some faulty network hardware in the rack containing the servers. It has been fixed now.