I live in NC , US and have AT&T fiber, and I have been watching a steady incline of MS the last 4 days, with today being the first day that It spiked  above 200ms and became unplayable. I have tried too many things to even list and nothing has worked.
 
	I did call AT&T though and they couldn't find any issues with my line and said everything looked perfect from their end.
 
	I have ran speed test many times and I am getting 14-18ms and 900ish download/upload speeds. I logged into retail wow and got a steady 33ms. I logged onto a US server Magic WOW and I got 30s ms there. Kronos was around 160-200ish ms and thats pretty high for me there. My account on Primal wow was over 400ms also.
 
	I have a lvl 60 mage and I levelled up & geared up for over a month in the 90s MS. My guild did their first trial run on MC yesterday and my ms was in the 200s the entire raid and it really sucked, but not compared to today when 400 was the best I could do and sometimes lagging into 1000s.