Try a tracert to the server and see how far you get. For reference, I've included a tracert from my PC below.
Code:
Tracing route to clearchaos.net [67.15.129.73]
over a maximum of 30 hops:
3 9 ms 7 ms 7 ms glfd-t2cam1-b-v112.inet.ntl.com [80.4.30.225]
4 9 ms 9 ms 11 ms glfd-t2core-b-ge-wan64.inet.ntl.com [62.254.207.177]
5 8 ms 7 ms 8 ms gfd-bb-b-so-300-0.inet.ntl.com [62.253.185.29]
6 13 ms 7 ms 8 ms gfd-bb-a-ae0-0.inet.ntl.com [213.105.172.5]
7 9 ms 10 ms 9 ms tele-ic-1-so-110-0.inet.ntl.com [62.253.185.78]
8 10 ms 9 ms 9 ms 212.250.14.62
9 82 ms 80 ms 80 ms p10-0.core01.bos01.atlas.cogentco.com [130.117.0.46]
10 99 ms 102 ms 100 ms p5-0.core01.ord01.atlas.cogentco.com [66.28.4.110]
11 101 ms 100 ms 100 ms p15-0.core02.ord01.atlas.cogentco.com [66.28.4.62]
12 111 ms 113 ms 111 ms p12-0.core01.mci01.atlas.cogentco.com [66.28.4.33]
13 125 ms 126 ms 126 ms p12-0.core01.iah01.atlas.cogentco.com [66.28.4.105]
14 128 ms 129 ms 126 ms g0-2.na21.b015619-0.iah01.atlas.cogentco.com [66.28.64.66]
15 128 ms 133 ms 127 ms everyones_internet.demarc.cogentco.com [38.112.25.22]
16 127 ms 128 ms 126 ms 66.98.241.29
17 127 ms 127 ms 127 ms 66.98.241.117
18 127 ms 128 ms 128 ms ev1s-67-15-129-73.ev1servers.net [67.15.129.73]
(I've removed the first two hops)
Ben