$ tracepath apinc.org
 1:  10.74.40.220                                          0.183ms pmtu 1500
 1:  10.74.40.1                                            6.463ms 
 1:  10.74.40.1                                           19.163ms 
 2:  10.74.40.1                                            8.012ms pmtu 1350
 2:  192.168.23.254                                      136.723ms 
 3:  172.16.221.252                                      164.273ms 
 4:  70.42.157.253                                       227.038ms 
 5:  core1.te5-2-bbnet2.wdc002.pnap.net                  349.117ms 
 6:  no reply
 7:  te0-0-0-6.ccr22.iad02.atlas.cogentco.com            131.864ms 
 8:  te0-3-0-1.ccr22.dca01.atlas.cogentco.com            391.860ms 
 9:  te0-6-0-1.ccr22.jfk02.atlas.cogentco.com            703.331ms 
10:  te0-6-0-2.mpd22.par01.atlas.cogentco.com            206.790ms 
11:  te0-4-0-2.mpd22.par01.atlas.cogentco.com            199.281ms asymm 12 
12:  te0-4-0-3.ccr22.par01.atlas.cogentco.com            213.668ms asymm 10 
13:  195.219.241.174                                     284.165ms asymm 12 
14:  te0-5-0-0.ccr21.par04.atlas.cogentco.com            405.100ms asymm 11 
15:  c4948-bzn-fdt.routers.proxad.net                    208.339ms asymm 13 
16:  no reply
17:  no reply
18:  bzn-crs16-1-be2000.intf.routers.proxad.net          249.263ms asymm 12 
19:  no reply
20:  no reply
21:  no reply
22:  no reply
23:  no reply
24:  no reply
25:  no reply
26:  no reply
27:  no reply
28:  no reply
29:  no reply
30:  no reply
31:  no reply
     Too many hops: pmtu 1350
     Resume: pmtu 1350