nanog mailing list archives

Help interpret a strange traceroute?


From: Randy <amps () djlab com>
Date: Mon, 31 Oct 2016 12:33:19 -0700

Happy monday all!

Any idea how a traceroute (into my network) could end up this fubar'd? Discovered this wierd routing while investigating horrendously slow speeds (albeit no packet loss) to a particular ISP abroad.

It's like - coming into us - the packets are taking every available path, simultaniously. Tracing back to him looks perfectly normal.

Thank you in advance for any comments on or off list.

Him to us:
traceroute to mirror.ash.fastserv.com (208.85.240.29), 64 hops max, 52 byte packets
 1  192.168.1.1 (192.168.1.1)  1.552 ms  1.522 ms  1.261 ms
 2  br1.l.hiweb.ir (46.224.0.12)  17.750 ms  18.932 ms  18.811 ms
 3  172.16.5.65 (172.16.5.65)  18.505 ms  20.044 ms  18.414 ms
 4  int.gr1.s.hiweb.ir (46.224.0.125)  19.096 ms  18.447 ms  18.752 ms
 5  int.gr1.l.hiweb.ir (46.224.0.117)  18.454 ms  18.768 ms  103.441 ms
 6  10.21.252.166 (10.21.252.166)  66.308 ms  18.728 ms  18.867 ms
 7  * * *
 8  185.100.209.139 (185.100.209.139)  162.126 ms
ae5.istanbul1.ist.seabone.net (93.186.132.212) 210.124 ms 126.208 ms
 9  et7-1-0.franco71.fra.seabone.net (195.22.214.131)  102.694 ms
    if-ae-9-3.tcore1.pvu-paris.as6453.net (195.219.87.14)  189.955 ms
    185.100.209.197 (185.100.209.197)  218.539 ms
10 te0-3-0-4.rcr21.b023101-0.lon01.atlas.cogentco.com (149.14.144.89) 201.223 ms 215.996 ms
    185.100.209.1 (185.100.209.1)  164.381 ms
11 if-ae-2-2.tcore2.av2-amsterdam.as6453.net (195.219.194.6) 199.161 ms
    be2950.ccr22.lon01.atlas.cogentco.com (130.117.2.109)  216.648 ms
    if-ae-3-6.tcore1.l78-london.as6453.net (80.231.130.85)  271.750 ms
12  if-ae-4-2.thar1.njy-newark.as6453.net (80.231.130.34)  183.984 ms *
    be2814.ccr42.ams03.atlas.cogentco.com (130.117.0.141)  109.045 ms
13  if-ae-1-3.thar2.njy-newark.as6453.net (216.6.57.2)  207.371 ms
    be2870.ccr41.lon13.atlas.cogentco.com (154.54.58.173)  186.804 ms
    be12488.ccr42.lon13.atlas.cogentco.com (130.117.51.41)  190.236 ms
14 if-ae-14-14.tcore2.nto-new-york.as6453.net (66.198.111.126) 203.156 ms if-ae-9-2.tcore1.n75-new-york.as6453.net (63.243.128.122) 273.177 ms
    be2807.ccr42.dca01.atlas.cogentco.com (154.54.40.110)  235.632 ms
15  66.110.96.134 (66.110.96.134)  182.695 ms
be2806.ccr41.dca01.atlas.cogentco.com (154.54.40.106) 278.593 ms 240.075 ms
16  66.110.96.142 (66.110.96.142)  245.454 ms
    be3084.ccr41.iad02.atlas.cogentco.com (154.54.30.66)  191.973 ms
    be3083.ccr41.iad02.atlas.cogentco.com (154.54.30.54)  240.740 ms
17 te0-0-0-0.nr13.b023801-0.iad01.atlas.cogentco.com (154.24.36.18) 257.027 ms
    be3083.ccr41.iad02.atlas.cogentco.com (154.54.30.54)  236.617 ms
hu-1-3-0-2-cr02.newyork.ny.ibone.comcast.net (68.86.83.97) 221.186 ms 18 be-10102-cr02.ashburn.va.ibone.comcast.net (68.86.85.161) 194.766 ms 250.493 ms
    be-10203-cr01.newark.nj.ibone.comcast.net (68.86.85.185)  191.052 ms
19 be-10102-cr02.ashburn.va.ibone.comcast.net (68.86.85.161) 197.694 ms te0-0-2-0.nr11.b023801-0.iad01.atlas.cogentco.com (154.24.36.2) 266.914 ms 235.444 ms 20 te0-0-2-3.nr11.b023801-0.iad01.atlas.cogentco.com (154.24.36.6) 255.756 ms
    38.88.249.210 (38.88.249.210)  216.677 ms
te0-0-2-0.nr11.b023801-0.iad01.atlas.cogentco.com (154.24.36.2) 211.364 ms
21  208.85.240.29 (208.85.240.29)  274.692 ms  212.896 ms
    ash01-mls-dc-core-a.latisys.net (67.217.175.37)  208.976 ms

And back to him:
traceroute to 46.224.145.65 (46.224.145.65), 30 hops max, 60 byte packets
 1  104.153.64.146 (104.153.64.146)  22.067 ms  22.049 ms *
2 xe-3-1-1.er1.iad10.us.above.net (208.185.24.1) 0.398 ms 0.392 ms 0.420 ms 3 zayo-tata.iad10.us.zip.zayo.com (64.125.13.170) 0.708 ms 0.580 ms 0.623 ms 4 if-ae-11-2.thar2.NJY-Newark.as6453.net (216.6.87.138) 92.900 ms if-ae-11-3.thar2.NJY-Newark.as6453.net (216.6.87.242) 92.802 ms if-ae-11-4.thar2.NJY-Newark.as6453.net (216.6.87.169) 97.177 ms 5 if-ae-1-3.thar1.NJY-Newark.as6453.net (216.6.57.1) 92.940 ms 93.008 ms 89.431 ms 6 if-ae-8-2.tcore1.LDN-London.as6453.net (66.198.70.174) 97.315 ms 96.049 ms 95.855 ms 7 if-ae-17-2.tcore1.L78-London.as6453.net (80.231.130.129) 98.074 ms if-ae-3-6.tcore1.PYE-Paris.as6453.net (80.231.130.86) 92.733 ms 92.898 ms 8 if-ae-2-2.tcore1.PVU-Paris.as6453.net (80.231.154.17) 93.636 ms if-ae-3-6.tcore1.PYE-Paris.as6453.net (80.231.130.86) 97.917 ms 98.363 ms 9 if-ae-2-2.tcore1.PVU-Paris.as6453.net (80.231.154.17) 100.909 ms if-ae-9-3.tcore2.FNM-Frankfurt.as6453.net (195.219.87.13) 92.055 ms 93.173 ms 10 195.219.87.46 (195.219.87.46) 208.894 ms 209.042 ms if-ae-9-2.tcore2.FNM-Frankfurt.as6453.net (195.219.87.9) 94.718 ms 11 * 195.219.87.46 (195.219.87.46) 209.640 ms int.gr1.s.hiweb.ir (46.224.0.118) 202.201 ms
12  int.cr1.s.hiweb.ir (46.224.0.126)  205.150 ms * *
13  * * *
14 int.gr1.s.hiweb.ir (46.224.0.118) 201.803 ms 201.799 ms int.cr1.s.hiweb.ir (46.224.0.126) 201.819 ms
15  int.cr1.s.hiweb.ir (46.224.0.126)  204.952 ms  198.969 ms *
16  46.224.145.65 (46.224.145.65)  210.507 ms  211.144 ms  206.998 ms


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