Name of ISP: Comcast
Ticket: n/a, they claim its not an issue.
State: WA/USA
Date/Time: The ping spikes are all day long. The lost packets start kicking in around 3:30-4:00 PM PST every day.
Frequency: Constantly.
Content: All.
Which in-game world: Leviathan
Traceroute:

4 12 ms 12 ms 20 ms be-40-ar01.burien.wa.seattle.comcast.net [69.139.164.2]
5 11 ms 11 ms 12 ms 4.68.71.77
6 82 ms 89 ms 79 ms ae-32-52.ebr2.Seattle1.Level3.net [4.69.147.182]
7 81 ms 81 ms 81 ms ae-2-2.ebr2.Denver1.Level3.net [4.69.132.54]
8 * 62 ms 62 ms ae-3-3.ebr3.Chicago2.Level3.net [4.69.132.62]
9 83 ms 83 ms 83 ms ae-6-6.ebr1.Chicago1.Level3.net [4.69.140.189]
10 200 ms 239 ms 267 ms ae-10-10.car2.Montreal2.Level3.net [4.69.153.86]
11 84 ms 84 ms 85 ms ORMUCO-COMM.car2.Montreal2.Level3.net [4.59.178.74]
12 81 ms 79 ms 82 ms 192.34.76.10
13 83 ms 80 ms 80 ms 199.91.189.242
14 80 ms 83 ms 80 ms 199.91.189.42

And using winMTR so we can see Loss % :
|------------------------------------------------------------------------------------------|
| Host - Loss % | Sent | Recv | Best | Avrg | Wrst | Last |
|------------------------------------------------|------|------|------|------|------|------|

|be-40-ar01.burien.wa.seattle.comcast.net - 0 | 862 | 862 | 9 | 14 | 38 | 15 |
| 4.68.71.77 - 14 | 558 | 482 | 0 | 18 | 2178 | 13 |
| ae-32-52.ebr2.Seattle1.Level3.net - 0 | 862 | 862 | 79 | 84 | 133 | 83 |
| ae-2-2.ebr2.Denver1.Level3.net - 0 | 862 | 862 | 79 | 84 | 105 | 84 |
| No response from host - 100 | 173 | 0 | 0 | 0 | 0 | 0 |
| ae-6-6.ebr1.Chicago1.Level3.net - 0 | 862 | 862 | 80 | 85 | 106 | 86 |
| ae-10-10.car2.Montreal2.Level3.net - 0 | 862 | 862 | 79 | 108 | 328 | 83 |
| ORMUCO-COMM.car2.Montreal2.Level3.net - 0 | 862 | 862 | 81 | 86 | 148 | 83 |
| 192.34.76.10 - 0 | 862 | 862 | 77 | 84 | 158 | 80 |
| 199.91.189.242 - 1 | 859 | 858 | 0 | 83 | 514 | 81 |
| 199.91.189.42 - 1 | 859 | 858 | 0 | 82 | 127 | 79 |