It's not just ESO... pretty unstable internet right now. Comcast outage which might be related to ddos attacks and what not. I've been playing GW2 and and started having ping issues and server disconnects. But still no where near as bad as ESO even without possible ddos and server outages.

http://downdetector.com/status/comcast-xfinity/map/
http://downdetector.com/status/verizon-communications/map/
http://downdetector.com/status/sprint/map
http://downdetector.com/status/time-warner-cable/map/
http://downdetector.com/status/xbox-live/map/

Looks like it's not just Comcast... Has to be a major ddos attack...