| tracert |
Traces the route from the local machine to a remote host.
tracert [-d] [-h maxhops] [-j hostlist] [-w msec] remotehost
-d
To speed things up, don't resolve IP addresses into hostnames
-h maxhops
Maximum number of hops for the trace
-j hostlist
Loose source route along the list of hosts
-w msec
Timeout for replies in milliseconds
remotehost
IP address or DNS name of host at remote end of route
Trace route from local machine to
www.umanitoba.ca (my alma mater):
tracert www.umanitoba.ca Tracing route to spica.cc.umanitoba.ca [130.179.16.50] over a maximum of 30 hops: 1 120 ms 281 ms 140 ms wnpgas01.mts.net [205.200.52.1] 2 121 ms 150 ms 130 ms wnpgbr00-f00-303.mts.net [205.200.52.7] 3 131 ms 120 ms 200 ms wnpgbr01-f000-101.mts.net [205.200.28.66] 4 140 ms 110 ms 140 ms wnpgin-c14out.mts.net [205.200.27.54] 5 120 ms 150 ms 140 ms 207.161.242.34 6 120 ms 141 ms 130 ms atrouter.cc.umanitoba.ca [207.161.242.18] 7 120 ms 131 ms 140 ms bbrouter.cc.umanitoba.ca [130.179.0.1] 8 140 ms 140 ms 150 ms spica.cc.umanitoba.ca [130.179.16.50] Trace complete.
Determine route to Beijing University in China:
tracert www.pku.edu.cn -d Tracing route to sun1000e.pku.edu.cn [202.112.7.12] over a maximum of 30 hops: 1 121 ms 130 ms 100 ms 205.200.52.1 2 110 ms 111 ms 110 ms 205.200.52.7 3 120 ms 110 ms 110 ms 205.200.28.66 4 110 ms 100 ms 120 ms 206.108.110.5 5 100 ms 120 ms 120 ms 206.108.102.81 6 130 ms 131 ms 150 ms 206.108.98.85 7 130 ms 140 ms 141 ms 206.108.98.50 8 130 ms 140 ms 151 ms 206.108.97.21 9 180 ms 180 ms 241 ms 206.108.97.6 10 150 ms 130 ms 170 ms 207.45.208.133 11 290 ms 210 ms 211 ms 207.45.223.89 12 230 ms 220 ms 221 ms 207.45.223.174 13 180 ms 230 ms 211 ms 207.45.223.154 14 250 ms 201 ms 210 ms 207.45.214.190 15 791 ms 881 ms * 202.112.61.222 16 * 801 ms 851 ms 202.112.36.194 17 781 ms 801 ms 801 ms 202.112.1.62 18 * 761 ms 801 ms 202.112.1.218 19 761 ms * 802 ms 202.112.1.66 20 761 ms 1061 ms 902 ms 202.112.6.22 21 801 ms 781 ms 741 ms 202.112.6.194 22 821 ms 961 ms 871 ms 202.112.7.12 Trace complete.
The asterisks indicate ICMP Echo packets whose reply was not received in the timeout period (default is one second).
tracert is a troubleshooting tool used to identify failed or congested routers along a route.
Use the -d option to speed the trace by disabling DNS resolution.
pathping, ping