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RE: Traceroute Question

From: Yonatan Bokovza (Yonatanxpert.com)
Date: Mon Apr 07 2003 - 10:09:17 CDT

> -----Original Message-----
> From: Vineet Mehta [mailto:vineetlinux.com.kw]
> Sent: Monday, April 07, 2003 12:20
> To: pen-testsecurityfocus.com
> Subject: Traceroute Question
> Hi all,
> While trying to do traceroute on one of the server i get the following
> reply:
> $traceroute a.b.c.d
> 6 ( 71.321 ms 282.457 ms *
> My Question is why I am getting non-route able address
> output in traceroute reply? As far as i think these private address
> space is not route able on the internet.

That is correct. Usually when a router returns non-routable
addresses you can assume that it's either hardened or faulty.
This router probably has another interface with non-routable IP

> Any sugestions?

Use online traceroutes (google for "visual route") and see if you
can learn more about your target.
This router might just be an intermediate router at an ISP on the
way- this is not clear from the sample you pasted.

Best Regards,

Yonatan Bokovza
IT Security Consultant
Xpert Systems

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