OT: Tracer/routing question

David A. Bandel david.bandel at gmail.com
Fri Jun 14 20:53:16 PDT 2013


Hey Rick,

This depends.  Do you know where the IP is you're trying to reach in
relation to the last IP shown?

It is common today for clueless admins to block ping packets (M$ uses ping
vice UDP packets for tracing).  You might also be hitting transit routes
for the last hop or two.  These transit routes are private IPs that can't
respond back to you, but do pass packets through (those that haven't
reached their TTL/hop limit).

So there may be no "block" to get past.  You really do need to have a
baseline to go from.  Try using a tcp trace (a la tcptraceroute), they
usually have less problems, but you'll need a real OS for that.

Ciao,

David A. Bandel


On Fri, Jun 14, 2013 at 10:41 PM, Rick Bowers <rwbowers at gmail.com> wrote:

> Off-topic question, but I know there is expertise here on this list.
>
> I've been trying to connect to www.myloweslife.com but the site
> continually times out.  I've tried multiple times over the past week
> with no success.
>
> I tried running a tracert (Windows version of traceroute) several
> times and seem to always time out at the same point. (output below)
>
> I'm not sure exactly what this means, or who to contact to get past
> the "block".
>
> - Does this indicate a broken route? Down system?
> - Can I contact someone to help? Who? My ISP (Verizon
> FIOS)?  twtelecom.net (Time Warner)?
>
> C:\>tracert myloweslife.com
>
> Tracing route to myloweslife.com [168.244.164.134]
> over a maximum of 30 hops:
>
>    1     2 ms     3 ms     3
> ms  Wireless_Broadband_Router.somewhereunknown.net [192.168.1.1]
>    2     5 ms     5 ms     5 ms  L100.BSTNMA-VFTTP-77.verizon-gni.net
> [98.110.224.1]
>    3     8 ms    10 ms     9
> ms  G0-14-2-6.BSTNMA-LCR-22.verizon-gni.net [130.81.217.110]
>    4     6 ms     5 ms     6 ms  ae0-0.BOS-BB-RTR2.verizon-gni.net
> [130.81.209.94]
>    5    22 ms    22 ms    22 ms  0.xe-10-0-0.XL2.IAD8.ALTER.NET[152.63.7.61]
>    6    22 ms    22 ms    22 ms  0.xe-11-1-0.GW12.IAD8.ALTER.NET
> [152.63.35.126]
>    7    23 ms    22 ms    24 ms  twtelecom-gw.customer.alter.net
> [152.179.50.186]
>    8    41 ms    40 ms    42 ms  gso1-ar1-xe-2-0-0-0.us.twtelecom.net
> [66.192.241.46]
>    9    42 ms    42 ms    43 ms  74-202-159-238.static.twtelecom.net
> [74.202.159.238]
>   10     *        *        *     Request timed out.
>   11     *        *        *     Request timed out.
>   12     *        *        *     Request timed out.
>   13     *        *        *     Request timed out.
>   14     *        *        *     Request timed out.
>   15     *        *        *     Request timed out.
>   16     *        *        *     Request timed out.
>   17     *        *        *     Request timed out.
>   18     *        *        *     Request timed out.
>   19     *        *        *     Request timed out.
>   20     *        *        *     Request timed out.
>   21     *        *        *     Request timed out.
>   22     *        *        *     Request timed out.
>   23     *        *        *     Request timed out.
>   24     *        *        *     Request timed out.
>   25     *        *        *     Request timed out.
>   26     *        *        *     Request timed out.
>   27     *        *        *     Request timed out.
>   28     *        *        *     Request timed out.
>   29     *        *        *     Request timed out.
>   30     *        *        *     Request timed out.
>
> Trace complete.
>
> C:\>
>
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-- 
Two things are infinite: the universe and human stupidity; and I'm not sure
about the the universe. -- Albert Einstein
Visit my web page at: http://david.bandel.us/
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