To get IP address and Mac address of multiple windows servers.

$d = "null"
$i = 0

$svrs = gc server.txt
$total = $svrs.Count

$d = foreach ($Inputmachine in $svrs )
    {
    
     $i++

    try{
    Write-Progress -Activity "Scanning Server .... " -Status ("Server : {0}" -f $Inputmachine ) -PercentComplete ($i/$total*100) -Id 0
     }
     catch{}

        if (!(test-Connection -Cn $Inputmachine -quiet))
            {
            Write-Host "$Inputmachine : Is offline`n" -BackgroundColor Red
            }
        else
            {

            $MACAddress = "N/A"
            $IPAddress = "N/A"
            $IPAddress = ([System.Net.Dns]::GetHostByName($Inputmachine).AddressList[0]).IpAddressToString
            #$IPMAC | select MACAddress
            $IPMAC = Get-WmiObject -Class Win32_NetworkAdapterConfiguration -ComputerName $Inputmachine
            $MACAddress = ($IPMAC | where { $_.IpAddress -eq $IPAddress}).MACAddress
            Write-Host "Machine Name : $Inputmachine`nIP Address : $IPAddress`nMAC Address: $MACAddress`n"
     
               New-Object PSObject -Property @{
            ServerName = $Inputmachine
            MACAddress = $MACAddress
            IPAddress =  $IPAddress
               }  | Select ServerName,IPAddress,MACAddress

        }
   }

 $d | export-csv -notypeinformation ip&mac.csv