RTV Tools

Wednesday, December 4, 2013

How to find the IPs and Usernames of Users Logged In on your Network

Install and Run Windows Powershell

Give yourself unrestricted script access:
Set-ExecutionPolicy Unrestricted

Make a list of IPs to query and put it in a text file (1 IP per line).

Modify script below and put it in a text file with extension .ps1 (like script.ps1)

$ErrorActionPreference = 'SilentlyContinue'
$computers = Get-Content g:\script\ipaddress.txt
foreach($computer in $computers) {
$ping = Test-Connection -ComputerName $computer -Count 1 -Quiet
$computerName = [system.net.dns]::Resolve("$computer")
#$hostname = $computerName.HostName
$shortHostname = $computerName.HostName.Split(".")[0]
if ($ping -eq 'True')
        $UserName = (Get-WmiObject -ComputerName $computer win32_ComputerSystem).UserName
        Write-Host "$shortHostname  $UserName" -ForegroundColor Green
        #Write-Host "$hostname is pingable" -ForegroundColor Green
        Write-Host "$computer is not pingable" -ForegroundColor Red

Put the .txt and the.ps1 in the same folder.

Browse to the folder in Powershell.

Type .\script.ps1

Wait for the query to find all the logged in users on your IP range...

Power ping and get computer, username

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