Using ARP to map a network

From: Jason Lewis (jlewisat_private)
Date: Tue Feb 04 2003 - 15:36:59 PST

  • Next message: Osvaldo J. Filho: "Re: Using ARP to map a network"

    I have searched and can't seem to find any tools to help map a network
    based on ARP tables.
    
    It seems to me, I could take ARP tables from several machines and build a
    network map.  If machines were behind a router the ARP tables would show
    multiple IP's with the same MAC.  With enough ARP tables, wouldn't I be
    able to build a map?
    
    Is my theory flawed?
    
    My goal is to do passive network mapping based on any local information I
    can obtain from computers or network devices.  Anyone have any ideas?
    
    jas
    
    
    
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