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 '209.11.168.113'


     1 fe0-1-0-202-100M.ar1.cle1.gblx.net (64.214.8.97) 0.784 ms 0.488 ms
     2 te2-4-10G.ar1.SNV2.gblx.net (67.17.107.206) 51.171 ms 51.532 ms
     3 INTERNAP.te1-3.ar1.snv2.gblx.net (64.210.28.142) 163.522 ms 86.082 ms
     4 border2.pc1-0-bbnet1.sje.pnap.net (66.151.144.5) 52.254 ms 52.209 ms
     5 * (friendster-4a.border2.sje.pnap.net) 66.151.139.42 ms 132.418 ms
     6 * (*) * ms * ms
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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.