Someone had asked early on the Subscriber board and I found the data on Wikipedia. No real surprises here...

(Number of times hosting with total appearances in parenthesis.)
11 Florida State (33)
6 Virginia Tech (14)
5 Clemson (16)
5 Miami (17)
2 Georgia Tech (4)
2 Louisville (4)
2 Boston College (2)
2 Pittsburgh (2)
1 North Carolina (2)
1 NC State (1)
0 Syracuse (2)
0 Duke (0)
0 Virginia (0)
0 Wake Forrest (0)

FYI: Ohio State has hosted the most times (16) and Alabama has had the most total appearances (40).