Mio, I am not sure your location, but there are MANY main routers down in New York city, if you are coming from the north east routing to Europe or in the northeasy, you may be seeing routing issues due to those routes coming up, going down, and generally unstable. We werent down here at all.
Just looked at your posting IP, and yes there is a very good chance this exactly was the issue.
In New york, there are many datacenters under multiple meters of water on their generator fuel storage and generator levels (generally the lowest level or even basements)