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Re: IP Range
From: Brian O'Berry <brian () zen-data com>
Date: Fri, 30 Aug 2002 10:34:28 -0400

Try 'whois -h whois.arin.net company_name'

You can also use the '*' wildcard, e.g.,
'whois -h whois.arin.net company_substring\*'

Maybe someone can respond about whether a Windows version of whois exists.

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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