traceroute rather bad

[wkuypers]

this is the traceroute from my dedicated server in France. Perhaps you could do something about the step from 12 onwards ?
Thanks,

traceroute to mail.rollernet.us (208.11.75.2), 30 hops max, 52 byte packets
1 213.251.172.253 (213.251.172.253) 0.571 ms 0.468 ms 0.474 ms
2 p19-7-6k.routers.ovh.net (213.186.32.1) 0.314 ms 0.368 ms 0.245 ms
3 * gsw-1-6k.routers.ovh.net (213.186.32.34) 2.436 ms *
4 * * *
5 sprint-1.ar1.CDG3.gblx.net (64.212.107.58) 3.105 ms 2.358 ms 2.281 ms
6 sl-bb23-nyc-14-0.sprintlink.net (144.232.20.45) 78.548 ms 76.305 ms 76.455 ms
7 sl-bb21-nyc-8-0.sprintlink.net (144.232.7.110) 79.027 ms 78.898 ms 78.677 ms
8 sl-bb26-pen-4-0-0.sprintlink.net (144.232.20.142) 82.646 ms * 83.214 ms
9 sl-bb21-stk-13-0.sprintlink.net (144.232.20.163) 154.523 ms * 154.792 ms
10 sl-gw13-stk-0-0.sprintlink.net (144.232.27.36) 286.871 ms * *
11 sl-rolle-1-0.sprintlink.net (144.228.147.38) 209.948 ms 240.919 ms 253.781 ms
12 * routy-core0-fa0-1.rollernet.net (208.11.75.37) 632.007 ms 488.952 ms
13 switchy-core0-gi1-0-2.rollernet.net (208.11.75.42) 370.426 ms 345.624 ms 257.030 ms
14 * switchy-core0-gi1-0-2.rollernet.net (208.11.75.42) 656.761 ms !X 466.543 ms !X

[RollerNetSupport]

High port UDP is being blocked by access lists once it enters our network.