Need to to Trace an IP address from a MAC address

Discussion in 'Security Software' started by Jeff, Nov 14, 2005.

  1. Jeff

    Jeff Guest

    I have some wireless units but unfortunately the previous tech didnt tell me
    what the IP addresses were for them. I believe there is a DOS command that
    will let me trace the IP address through the MAC address of the unit. Can
    anyone tell me what it is or know of any other way to find out the IP
    address? I apologize if this is in the wrong group but it really didnt seem
    to fit in any category.
    Jeff, Nov 14, 2005
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  2. There are network scanners that can do such including the free version of
    Newt as shown in the link below. Often scanning the network for IP addresses
    with something like Superscan4 will reveal them as they usually have ports
    80/23 TCP open for management and nothing else unlike most other
    mputers. --- Steve --- Newt
    Steven L Umbach, Nov 14, 2005
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  3. ARP -a is the dos command that deals with MAC addresses, but it only helps
    you if your computer 1) is on the same local subnet as the wireless router
    and 2) has previously had a reason to communicate with the router and has
    stored the MAC to IP address mapping in the local arp cache. I'm not aware
    of any other utilities that come bundled with Windows that will do this, but
    there are probably tools out there. You may also want to log into your
    router or switch on that subnet if you have one, as these probably have
    tools to report this information.

    Most tools of this sort you'll want to run on the local subnet that has the
    router, because if not, many tools will give you the MAC of the router
    interface that leads to the wireless unit.

    You could search freeware / shareware sites like or or for "mac address" or "mac address resolve"
    or something like that. You could also look here:
    karl levinson, mvp, Nov 15, 2005
  4. You generally need to query the router/switch for this info, otherwise you could
    likely get the MAC address of some other device when you start querying for them
    as they are broadcast subnet based only.

    Joe Richards [MVP], Nov 15, 2005
  5. Jeff

    Chuck Guest


    Any number of network scanning tools will scan a subnet as defined, and list
    both the IP address and MAC address, of any network devices found. I use Angry
    IP Scanner and SoftPerfect Network Scanner, both free, and both will do your
    job. Both install without effort.

    Chuck, MS-MVP [Windows - Networking]
    Paranoia is not a problem, when it's a normal response from experience.
    My email is AT DOT
    actual address pchuck mvps org.
    Chuck, Nov 15, 2005
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