%> traceroute gaia.cs.umass.edu 
traceroute to 128.119.245.12 (128.119.245.12), 20 hops max, 60 byte packets
 1  100.74.0.58 (100.74.0.58)  0.347 ms  0.302 ms *
 2  100.74.0.102 (100.74.0.102)  0.249 ms  0.210 ms 100.74.0.103 (100.74.0.103)  0.182 ms
 3  * et-1-1-8.bdr1-m22-lon2-uk.gb.as13213.net (212.78.92.218)  0.476 ms et-0-1-8.bdr2-m23-lon2-uk.gb.as13213.net (212.78.92.182)  0.431 ms
 4  98.158.181.207 (98.158.181.207)  0.657 ms  0.666 ms 98.158.181.215 (98.158.181.215)  0.584 ms
 5  ae19-616.cr10-lon1.ip4.gtt.net (212.115.148.169)  0.744 ms et-0-0-31.cr11-lon1.ip4.gtt.net (87.119.123.65)  1.890 ms ae19-616.cr10-lon1.ip4.gtt.net (212.115.148.169)  0.688 ms
 6  ae13.cr1-bos1.ip4.gtt.net (89.149.130.37)  64.700 ms  64.175 ms  64.131 ms
 7  ip4.gtt.net (65.175.24.206)  63.994 ms  64.153 ms  64.121 ms
 8  69.16.3.0 (69.16.3.0)  66.823 ms  66.798 ms  66.864 ms
 9  core2-rt-et-4-3-0.gw.umass.edu (192.80.83.105)  66.802 ms core1-rt-et-4-3-0.gw.umass.edu (192.80.83.101)  66.874 ms  66.954 ms
10  n1-rt-1-1-et-0-0-0.gw.umass.edu (128.119.0.216)  67.279 ms n1-rt-1-1-et-10-0-0.gw.umass.edu (128.119.0.120)  73.140 ms n1-rt-1-1-et-0-0-0.gw.umass.edu (128.119.0.216)  87.455 ms
11  n1-fnt-fw-1-1-1-31-vl1092.gw.umass.edu (128.119.77.233)  66.992 ms  66.812 ms  66.945 ms
12  * * *
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