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#11
The wireless connection to your router is very high. Wireless isn't great for playing games anyway.
If you go on your router there is normally a diagnostics page which will say trace route or something simular. It is probably just your wireless connection though. Connect to the router via a wire and see if the problem persists (do another tracert whilst on WoW and compare).
There can be a number of problems with Wireless. For example if there are other wireless networks in the same area it can cause probles.
Install and run Xirrus Wi-Fi Inspector.
Double click the Xirrus Icon on your Desktop, Tap the Printscreen key on your keyboard, open up Paint then choose Edit from the Menu and select Paste, then SAVE it. Upload and attached it here.