Global Crossing
IP Network Performance
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

Choose a source:
 
 
Specify a destination host
( ie. www.globalcrossing.com )




Trying trace from node 'Cleveland, OH, US' to '204.13.51.244'


     1 fe0-1-0-202-100M.ar1.cle1.gblx.net (64.214.8.97) 0.692 ms 0.465 ms
     2 te9-2-10G.ar2.CHI2.gblx.net (67.17.109.114) 8.664 ms 8.479 ms
     3 g4-5.core01.ord03.atlas.cogentco.com (154.54.11.101) 74.504 ms 8.719 ms
     4 vl3491.mpd01.ord01.atlas.cogentco.com (154.54.6.209) 8.997 ms * ms
     5 t7-3.mpd01.mci01.atlas.cogentco.com (154.54.6.158) 28.425 ms 28.383 ms
     6 t4-1.mpd01.sfo01.atlas.cogentco.com (154.54.2.210) 217.266 ms 142.846 ms
     7 t4-2.mpd01.sfo02.atlas.cogentco.com (154.54.3.122) 54.908 ms 56.617 ms
     8 sona_networks.demarc.cogentco.com (38.101.48.78) 55.439 ms 55.489 ms
     9 204.13.51.244 (204.13.51.244) 54.970 ms 55.029 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.