[outages] Peering issue between Cogent and Tata?

[mike tancsa]

With a cogent src IP (yyz)

  traceroute -q1 -I  35.209.30.41
traceroute to 35.209.30.41 (35.209.30.41), 64 hops max, 48 byte packets

  2  be2993.ccr21.cle04.atlas.cogentco.com (154.54.31.225)  7.238 ms
  3  be2891.ccr41.dca01.atlas.cogentco.com (154.54.82.250) 18.586 ms
  4  be2112.ccr41.atl01.atlas.cogentco.com (154.54.7.158)  35.174 ms
  5  be2847.ccr41.atl04.atlas.cogentco.com (154.54.6.102)  35.344 ms
  6  tata.atl04.atlas.cogentco.com (154.54.11.226)  35.221 ms
  7  if-ae-43-2.tcore1.a56-atlanta.as6453.net (64.86.113.149) 52.854 ms
  8  if-ae-27-2.tcore1.dt8-dallas.as6453.net (64.86.113.6) 53.101 ms
  9  *
10  if-ae-22-2.tcore1.ct8-chicago.as6453.net (64.86.79.2) 52.747 ms
11  206.82.141.195 (206.82.141.195)  43.107 ms
12  41.30.209.35.bc.googleusercontent.com (35.209.30.41)  62.903 ms

with one out of my ASN 11647

traceroute -q1 -I 35.209.30.41
traceroute to 35.209.30.41 (35.209.30.41) from 67.43.129.246, 64 hops 
max, 48 byte packets

  2  be2993.ccr21.cle04.atlas.cogentco.com (154.54.31.225)  7.190 ms
  3  be2891.ccr41.dca01.atlas.cogentco.com (154.54.82.250) 18.545 ms
  4  be2112.ccr41.atl01.atlas.cogentco.com (154.54.7.158)  35.065 ms
  5  be2847.ccr41.atl04.atlas.cogentco.com (154.54.6.102)  35.222 ms
  6  tata.atl04.atlas.cogentco.com (154.54.11.226)  32.366 ms
  7  if-ae-43-2.tcore1.a56-atlanta.as6453.net (64.86.113.149) 41.281 ms
  8  if-ae-27-2.tcore1.dt8-dallas.as6453.net (64.86.113.6) 40.642 ms
  9  if-ae-23-2.tcore2.ct8-chicago.as6453.net (64.86.79.120) 52.703 ms
10  if-ae-22-2.tcore1.ct8-chicago.as6453.net (64.86.79.2) 41.697 ms
11  206.82.141.195 (206.82.141.195)  51.818 ms
12  41.30.209.35.bc.googleusercontent.com (35.209.30.41)  50.296 ms

On 1/10/2023 12:13 PM, Miller, Jon wrote:
>
> 35.209.30.41.
>
> *Jon Miller**| *Chief Information Officer
> *Bose McKinney & Evans LLP*
> 111 Monument Circle*| *Suite 2700*| *Indianapolis, Indiana 46204
> JMiller at boselaw.com <mailto:JMiller at boselaw.com>*| *P 317-684-5108*| 
> *F 317-223-0608
>
> /Assistant Contact/*/ | /*/Brad Cline /*/ | /*/bcline at boselaw.com 
> <mailto:bcline at boselaw.com>///*/ | /*/P 317-684-5186 /*/ | /*/F 
> 317-223-0186 /
>
> *From:* mike tancsa <mike at sentex.net>
> *Sent:* Tuesday, January 10, 2023 12:03 PM
> *To:* Miller, Jon <JMiller at boselaw.com>; outages at outages.org
> *Subject:* Re: [outages] Peering issue between Cogent and Tata?
>
> Out of our Toronto connection to 174, I see about 30k prefixes from 
> 174_6453_. Can you give some sample IPs you cant reach ?
>
>     ---Mike
>
> On 1/10/2023 11:59 AM, Miller, Jon via Outages wrote:
>
>     We are having trouble resolving some web sites and Cogent says the
>     issue appears to be with Tata.  We can resolve the web sites from
>     non-cogent networks.  Is anyone seeing similar?
>
>     *Jon Miller**| *Chief Information Officer
>     *Bose McKinney & Evans LLP*
>     111 Monument Circle*| *Suite 2700*| *Indianapolis, Indiana 46204
>     JMiller at boselaw.com <mailto:JMiller at boselaw.com>*| *P
>     317-684-5108*| *F 317-223-0608
>
>     /Assistant Contact/*/ | /*/Brad Cline /*/ | /*/bcline at boselaw.com
>     <mailto:bcline at boselaw.com>///*/ | /*/P 317-684-5186 /*/ | /*/F
>     317-223-0186 /
>
>
>
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