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> You can easily confirm this is true. Run a traceroute... anywhere. Yahoo dot com. You will see nodes that never respond, 9 times out of 10.

  tracert -d  -6 yahoo.com

  Tracing route to yahoo.com [2001:4998:24:120d::1:0] over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  XXXX:6ecd:d6ff:fe44:4082
  2    21 ms    20 ms    21 ms  XXXX::1
  3     *        *        *     Request timed out.
  4    21 ms    30 ms    19 ms  2001:504:0:3:0:1:310:1
  5    22 ms    27 ms    27 ms  2001:4998:f030:2::
  6    45 ms    47 ms    47 ms  2001:4998:f00a:24::
  7    66 ms    67 ms    66 ms  2001:4998:f00a:201::1
  8    73 ms    79 ms    77 ms  2001:4998:f00f:3::
  9    72 ms    71 ms    71 ms  2001:4998:f00f:d::1
 10    72 ms    91 ms    72 ms  2001:4998:24:fe0c::1
 11    73 ms    71 ms    70 ms  2001:4998:24:fa07::1
 12    71 ms    71 ms    70 ms  2001:4998:24:d011::1
 13    72 ms    72 ms    72 ms  2001:4998:24:120d::1:0

  Trace complete.
LGTM ¯\_(ツ)_/¯


    $ traceroute yahoo.com --resolve-hostnames
    traceroute to yahoo.com (74.6.231.21), 64 hops max
      1   192.168.163.25 (_gateway)  27.468ms  1.662ms  3.452ms 
      2   *  *  * 
      3   172.24.100.177 (172.24.100.177)  53.072ms  60.815ms  79.800ms 
      4   172.24.194.169 (172.24.194.169)  139.138ms  55.275ms  20.311ms 
      5   172.24.194.170 (172.24.194.170)  19.617ms  51.354ms  26.870ms 
      6   *  *  * 
      7   185.6.36.58 (3ireland.ipv4.sw01.inex.ie)  58.357ms  55.352ms  32.625ms 
      8   185.6.36.77 (xe-2-3-0.pat1.iry.yahoo.com)  65.414ms  41.834ms  21.050ms 
      9   209.191.64.178 (ae-6.pat1.bfy.yahoo.com)  124.513ms  107.566ms  159.550ms 
     10   209.191.65.132 (unknown.yahoo.com)  156.093ms  129.892ms  126.091ms 
     11   209.191.64.214 (ae-7.pat2.nez.yahoo.com)  148.971ms  150.930ms  176.944ms 
     12   209.191.65.111 (et-18-1-0.msr2.ne1.yahoo.com)  162.165ms  144.948ms  136.803ms 
     13   98.138.97.23 (et-18-0-1.clr1-a-gdc.ne1.yahoo.com)  148.601ms  148.984ms  171.028ms 
     14   98.138.51.1 (lo0.fab2-2-gdc.ne1.yahoo.com)  128.665ms  131.716ms  193.848ms 
     15   98.138.97.157 (usw2-1-lbd.ne1.yahoo.com)  182.217ms  133.661ms  170.828ms 
     16   74.6.231.21 (media-router-fp74.prod.media.vip.ne1.yahoo.com)  161.739ms  139.523ms  205.784ms


    traceroute yahoo.com                    
    traceroute: Warning: yahoo.com has multiple addresses; using 54.161.105.65
    traceroute to yahoo.com (54.161.105.65), 64 hops max, 52 byte packets
    [redacted]
    6  ewr-sa1-i.ewr.us.net.dtag.de (62.154.5.250)  90.669 ms  89.555 ms  90.020 ms
    7  62.157.248.123 (62.157.248.123)  91.494 ms  90.158 ms  89.145 ms
    8  150.222.87.251 (150.222.87.251)  89.575 ms
        150.222.87.249 (150.222.87.249)  92.532 ms
        150.222.87.247 (150.222.87.247)  93.773 ms
    9  15.230.204.54 (15.230.204.54)  90.257 ms
        52.93.59.77 (52.93.59.77)  92.142 ms
        15.230.204.56 (15.230.204.56)  89.808 ms
    10  * * *
    11  * * *
    12  * * *
    13  * * *
    14  * * *
    15  * * *
    16  52.93.28.194 (52.93.28.194)  97.715 ms
        52.93.28.170 (52.93.28.170)  94.380 ms
        52.93.28.168 (52.93.28.168)  110.934 ms
    17  * * *
    18  * * *
    19  * * *
    20  * * *
    21  * * *
    22  * * *
    23  * * *
    24  * * *
    25  * * *
    26  * * *
    27  * * *
    28  * * *
    29  * * *
    30  * * *
    31  * * *
    32  * * *
    33  * * *
    34  * * *
    35  * * *
    36  * * *
    37  * * *
    38  * * *
    39  * * *
    40  * * *
    41  * * *
    42  * * *
    43  * * *
    44  * * *
    45  * * *
and still going... ¯\_(ツ)_/¯




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