This a bit off topic but it may help -
I've attached a screenshot of my IP path between the Washington, DC area and IB's Hong Kong Server.
In my next post I'll show my path to the US Server.
The utility I use is called PingPlotter. The version you see is the paid version. They have a freeware version that is equally good for your purposes.
I suggest you get it and run it. If your server connection shows good and you have problems with no quotes, etc, you'll have something to discuss with IB. Conversely, if the IP path shows strange things happening you'll know it is not IB.
In the screenshot below the long path delay appears to be a satellite link. They run on the order of 250 milliseconds.
Jack