Surprised nobody has already pointed out why the high traffic from Ashburn, VA is "hard to interpret". That is the home of one of the biggest AWS data centers.

Surprised nobody has already pointed out why the high traffic from Ashburn, VA is "hard to interpret". That is the home of one of the biggest AWS data centers. It would be an obvious place to run bulk downloading of sci-hub content. It's also an easy place to host a VPN server, which users may be motivated to do if their ISPs are blocking sci-hub.