Re: IP Range

["planz" <planz235 () hotmail com>]

Hi,

I use the following site to check the IP blocks of a client.

http://tools-on.net/

This Russian site gives you an excellent information on the Client's
Registration information.

Sheik Abdulla J
Singapore.

----- Original Message -----
From: "Jason" <security () brvenik com>
To: "John Madden" <chiwawa999 () yahoo com>; <pen-test () securityfocus com>
Sent: Friday, August 30, 2002 10:40 PM
Subject: Re: IP Range


> One way is you could get the ASN then use some human cycles.
>
> use any of the many public route servers available.
>
> on a cisco you could try
>
> sho ip bgp [dest netblock] <== the last ASN is the target below
> sho ip bgp regexp [ASN] <== should show all routes services by that ASN.
>
> and use contact correlation in arin/ripe/apnic whois for netblocks...
>
>
> John Madden wrote:
> > Hello,
> >
> > Where just about to begin a pentest engagement and the
> > client wants us to know if we can find out how many IP
> > blocks they have. Is there a way to find out all the
> > IP blocks of a company ? You've got the usual e-mail
> > domain name to find at least one but what if they have
> > 2,3 + IP blocks ?
> >
> > Any ideas ?
> >
> > thanks
> >
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