$ tracepath6 madx.org
 1?: [LOCALHOST]                      pmtu 1492
 1:  2001:41d0:1:6dff:ff:ff:ff:ff               1.128ms 
 2:  2001:41d0::425                             4.847ms 
 3:  2001:41d0::4                               5.104ms 
 4:  2001:41d0::4                             asymm  3   5.149ms pmtu 1480
 4:  2001:41d0::210                            16.220ms 
 5:  2001:450:2001:1000:0:670:1708:24          92.640ms 
 6:  2001:450:2008:9::2                        92.128ms 
 7:  Po10-0.NYKCR2.New-york.opentransit.net    92.548ms 
 8:  Po0-0-0-3.AUVTR1.Aubervilliers.opentransit.net asymm  9 100.489ms 
 9:  2001:688:10:1:3::2                       asymm 10 100.421ms 
10:  2001:688:10:0:2::                        asymm 11 101.645ms 
11:  2001:688:c23::1                          asymm 12 162.484ms reached
     Resume: pmtu 1480 hops 11 back 12