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Thread: Find user name with IP address

  1. #1
    Join Date
    Nov 2009
    Posts
    1

    Exclamation Find user name with IP address

    How can I find who has logged (name of the user) in a computer using IP address in LAN?

  2. #2
    Join Date
    May 2008
    Posts
    308

    Re: Find user name with IP address

    Go to a command prompt and type the below 2 commands:

    nslookup ComputerName
    ping ComputerName

  3. #3
    Join Date
    May 2008
    Posts
    1,818

    Re: Find user name with IP address

    I believe that the multiple user user which logged in can be anybody or nobody the machine that time. So i think there is no way to find which user is logged on.

  4. #4
    Join Date
    Apr 2008
    Posts
    3,425

    Re: Find user name with IP address

    If someone is logged on the Explorer.exe process. Query the remote computer using WMI for that process object. You can determine programatically determine how long that user has logged in. The defaultuser name value in the registry can be use to determine the previously logged-in user if explorer.exe is not running.

  5. #5
    Join Date
    Feb 2008
    Posts
    2,638

    Re: Find user name with IP address

    If you are in LAN and you have someone's ip address and you want to know his user name and if you use active directory (AD) then you can use the following process to find out the username:

    Step1:- In the command prompt enter the following command:
    nbtstat ľa ipaddress("ipaddress" is the ip address.)
    This will list the machine name using that ip address.

    Step2:-Then run the following command:
    net view /domain:ad > somefile.txt(Where ad is the name of the domain you want to search and somefile.txt is the name of the file to contain the output).This will generate a list of every machine and who is logged in.

    Step3:-Open the output file and search for the machine name determined in step 1 (the username will be listed next to this).

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