Looking Glass Utilities - Router to Host Traceroute
Allows a user to view all router hops encountered in
the path between a Global Crossing node and a specified
URL address
Trying trace from node 'Miami, FL, US' to '72.14.207.191'
1 64.214.16.65 (64.214.16.65) 0.644 ms 0.499 ms
2 ge-1-1-10G.ar1.ATL2.gblx.net (67.17.108.1) 14.148 ms 14.117 ms
3 72.14.197.241 (72.14.197.241) 14.096 ms 14.331 ms
4 66.249.95.167 (66.249.95.167) 14.260 ms 14.187 ms
5 216.239.49.44 (216.239.49.44) 14.399 ms 14.326 ms
6 64.233.175.98 (64.233.175.98) 47.540 ms 47.593 ms
7 72.14.236.20 (72.14.236.20) 61.611 ms 61.679 ms
8 66.249.94.78 (66.249.94.78) 62.777 ms 61.673 ms
9 66.249.94.90 (66.249.94.90) 64.162 ms 62.534 ms
10 72.14.236.130 (72.14.236.130) 62.630 ms 66.249.94.118 ms
11 eh-in-f191.google.com (72.14.207.191) 62.843 ms 62.697 ms
Command completed
If a returned message contains or is completely composed of ***, this is
probably the result of a filtering device (i.e. firewall) encountered along
the path being traced. The same explanation would apply for no output in
the case of a ping query.