Google weird routing?

Thu May 23 20:06:25 UTC 2019

not sure where you are starting from (really) .. can you provide a:
  dig www.google.com

for me? My guess is that as Jared noted you got somehow looking like
you are in india to whatever does that magic :)

On Thu, May 23, 2019 at 3:48 PM Matt Harris <matt at netfire.net> wrote:
>
> Hey folks,
> Looking at an mtr going out via a couple of different transit circuits, Google seems to be doing weird things.
>
> RTT pinging google.com is coming up with like 250-300ms times, but mtr's are telling me my packets are hitting google's network very quickly.  Google's network then seems to send them on a rather long trip before reaching the google.com frontend servers.
>
> An example:
>
>  6  213.200.123.170 (213.200.123.170)  3.450 ms ae-1-3502.ear4.Newark1.Level3.net (4.69.211.177)  1.469 ms  1.634 ms
>  7  72.14.213.34 (72.14.213.34)  1.336 ms  1.372 ms  1.381 ms
>  8  108.170.248.52 (108.170.248.52)  2.474 ms *  2.150 ms
>  9  216.239.62.170 (216.239.62.170)  1.401 ms 216.239.62.150 (216.239.62.150)  1.400 ms 216.239.62.168 (216.239.62.168)  2.985 ms
> 10  216.239.57.136 (216.239.57.136)  20.043 ms 216.239.59.0 (216.239.59.0)  20.235 ms 216.239.57.196 (216.239.57.196)  20.382 ms
> 11  209.85.254.241 (209.85.254.241)  2.155 ms 108.170.235.61 (108.170.235.61)  74.295 ms 209.85.241.43 (209.85.241.43)  78.593 ms
> 12  72.14.239.155 (72.14.239.155)  96.254 ms 216.239.57.196 (216.239.57.196)  19.672 ms 72.14.239.155 (72.14.239.155)  96.328 ms
> 13  108.170.235.217 (108.170.235.217)  153.391 ms 108.170.236.119 (108.170.236.119)  153.445 ms 108.170.235.221 (108.170.235.221)  152.858 ms
> 14  172.253.51.111 (172.253.51.111)  220.084 ms 66.249.94.141 (66.249.94.141)  218.039 ms 72.14.239.197 (72.14.239.197)  75.008 ms
> 15  209.85.241.86 (209.85.241.86)  276.281 ms 72.14.235.160 (72.14.235.160)  276.104 ms  277.497 ms
> 16  108.170.235.105 (108.170.235.105)  217.030 ms 209.85.248.4 (209.85.248.4)  217.338 ms 66.249.94.141 (66.249.94.141)  217.573 ms
> 17  72.14.236.75 (72.14.236.75)  276.349 ms  276.097 ms 72.14.239.235 (72.14.239.235)  277.180 ms
> 18  bom07s01-in-f14.1e100.net (216.58.199.142)  276.139 ms  276.980 ms 64.233.174.27 (64.233.174.27)  279.212 ms
>
> As you can see from this traceroute output, Level3 is delivering my packets to Google (hop#7 and beyond) just fine, however all of the hops including #7 and beyond are all inside of google's network.
>
> My packets are originating from AS 394102.
>
> Anyone from google have any idea what's going on there?
>
> Thanks,
> Matt
>