wrag, I need some traces posted in this thread.  I am pointing Savvis at it to see if we can do some joint work on this issue.
Fuze, here is a trace back to you from 216.91.187.39 (actually, to the second hop, as it is a router).
traceroute to 63.212.200.3 (63.212.200.3), 30 hops max, 40 byte packets
 1  216.91.187.34 (216.91.187.34)  0.431 ms  0.349 ms  0.980 ms
 2  208.172.1.221 (208.172.1.221)  6.368 ms  6.324 ms  6.334 ms
 3  dcr2-so-2-2-0.Chicago.savvis.net (208.172.3.81)  6.519 ms  6.368 ms  6.408 ms
 4  bpr1-so-0-0-0.ChicagoEquinix.savvis.net (208.175.10.238)  6.495 ms  6.540 ms  6.581 ms
 5  ge-2-0-1.edge1.Chicago1.Level3.net (208.174.226.62)  6.531 ms ge-2-0-0.edge1.Chicago1.Level3.net (208.174.226.58)  6.830 ms  6.548 ms
 6  * * *
 7  64.159.4.177 (64.159.4.177)  29.807 ms so-0-1-0.mp2.Boston1.Level3.net (209.247.9.126)  29.811 ms 64.159.4.177 (64.159.4.177)  29.658 ms
 8  ge-11-0.hsa1.Boston1.Level3.net (4.68.100.36)  29.608 ms ge-10-2.hsa1.Boston1.Level3.net (4.68.100.132)  29.673 ms ge-11-0.hsa1.Boston1.Level3.net (4.68.100.36)  30.094 ms
 9  ge-7-0-1.hsa2.Boston1.Level3.net (63.212.200.3)  30.346 ms * ge-11-2.hsa2.Boston1.Level3.net (4.68.100.165)  29.948 ms
Pretty ugly.