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 '204.13.51.244'
1 64.214.16.65 (64.214.16.65) 32.312 ms 0.481 ms
2 ge-1-1-10G.ar1.ATL2.gblx.net (67.17.108.1) 14.117 ms 14.084 ms
3 g1-19.mpd01.atl04.atlas.cogentco.com (154.54.12.201) 14.126 ms 14.134 ms
4 g6-0-0.core01.atl01.atlas.cogentco.com (154.54.6.113) 14.215 ms 14.219 ms
5 t2-3.mpd01.iah01.atlas.cogentco.com (154.54.7.145) 40.802 ms 40.835 ms
6 t2-3.mpd01.lax01.atlas.cogentco.com (154.54.3.186) 68.532 ms 68.647 ms
7 t2-1.mpd01.sjc01.atlas.cogentco.com (154.54.5.181) 79.650 ms 79.626 ms
8 t7-1.mpd02.sfo01.atlas.cogentco.com (154.54.2.53) 98.530 ms 131.954 ms
9 t4-2.mpd01.sfo02.atlas.cogentco.com (154.54.3.122) 80.909 ms 80.848 ms
10 sona_networks.demarc.cogentco.com (38.101.48.78) 81.049 ms 81.030 ms
11 204.13.51.244 (204.13.51.244) 80.789 ms 80.868 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.