Well, I checked again and it is no longer going through Dallas. I am sure it was because of this post.
Comcast to ATT
3 11 ms 8 ms 9 ms 68.85.91.137
4 11 ms 9 ms 9 ms te-9-2-ur02.b0atlanta.ga.atlanta.comcast.net [68.86.106.45]
5 11 ms 9 ms 9 ms te-9-4-ur01.b0atlanta.ga.atlanta.comcast.net [68.86.106.13]
6 11 ms 9 ms 9 ms be-20-crs01.b0atlanta.ga.atlanta.comcast.net [68.86.106.9]
7 11 ms 9 ms 8 ms pos-1-4-0-0-cr01.atlanta.ga.ibone.comcast.net [68.86.90.121]
8 14 ms 11 ms 9 ms pos-0-2-0-0-pe01.56marietta.ga.ibone.comcast.net [68.86.86.166]
9 12 ms 9 ms 8 ms 75.149.230.166
10 30 ms 12 ms 10 ms cr2.attga.ip.att.net [12.122.140.146]
11 13 ms 11 ms 11 ms cr84.attga.ip.att.net [12.123.22.250]
12 12 ms 9 ms 8 ms gar8.attga.ip.att.net [12.122.140.61]
13 18 ms 13 ms 13 ms 12.87.227.122
ATT to Comcast
2 4 ms 4 ms 4 ms 12.87.227.121
3 6 ms 5 ms 5 ms cr84.attga.ip.att.net [12.122.140.62]
4 6 ms 5 ms 5 ms cr2.attga.ip.att.net [12.123.22.249]
5 75 ms 124 ms 57 ms ggr3.attga.ip.att.net [12.122.140.145]
6 5 ms 5 ms 5 ms te-0-5-0-1-pe01.56marietta.ga.ibone.comcast.net[75.149.228.85]
7 6 ms 5 ms 5 ms pos-1-2-0-0-cr01.atlanta.ga.ibone.comcast.net [68.86.86.81]
8 7 ms 6 ms 6 ms pos-0-14-0-0-crs01.b0atlanta.ga.atlanta.comcast.net [68.86.90.126]
9 5 ms 5 ms 5 ms po-2-ur01.b0atlanta.ga.atlanta.comcast.net [68.86.106.10]
10 5 ms 5 ms 5 ms te-9-1-ur02.b0atlanta.ga.atlanta.comcast.net [68.86.106.14]
11 6 ms 6 ms 5 ms te-9-1-ur01.a1atlanta.ga.atlanta.comcast.net [68.86.106.46]