I've used speakeasy and speedtest sites. Both are within 1 Mbps of what TWS said we should have.
The last issue we had, we were using an off the shelf router directly into the TWC modem. No fancy firewall.
We're encoding a basic desktop and mobile stream. I'll get the exact settings tomorrow when I'm back in the office.
It's not our network. We've had great Sundays in the past. However, the bad is starting to out way the good.