$IPAddresses = Get-Content 'c:\test\servers.txt'

$myCol = @()
ForEach($servername in $IPAddresses){

$NicConfig = Get-WmiObject -Class Win32_NetworkAdapterConfiguration -ComputerName $serverName

ForEach ($Nic in $NicConfig)
{
    If ($Nic.IPAddress -ne $null)
    {
        $myObj = "" | Select-Object Description, DHCPEnabled, IPAddress, IPSubnet, DefaultIPGateway, DNSServers, WINSServers, NICModel, SpeedDuplex
        $myObj.Description = $Nic.Description
        $myObj.DHCPEnabled = $Nic.DHCPEnabled
        $myObj.IPAddress = $Nic.IPAddress
        $myObj.IPSubnet = $Nic.IPSubnet
        $myObj.DefaultIPGateway = $Nic.DefaultIPGateway
        $myObj.DNSServers = $Nic.DNSServerSearchOrder
        $myObj.WINSServers = $Nic.WINSPrimaryServer,$Nic.WINSSecondaryServer
        $registry = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $serverName)
        $baseKey = $registry.OpenSubKey("SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}")
        $subKeyNames = $baseKey.GetSubKeyNames()
        ForEach ($subKeyName in $subKeyNames)
        {
            $subKey = $baseKey.OpenSubKey("$subKeyName")
            $ID = $subKey.GetValue("NetCfgInstanceId")
            If ($ID -eq $Nic.SettingId)
            {
                $componentID = $subKey.GetValue("ComponentID")
                If ($componentID -match "ven_14e4")
                {
                    $myObj.NICModel = "Broadcom"
                    $requestedMediaType = $subKey.GetValue("RequestedMediaType")
                    $enum = $subKey.OpenSubKey("Ndi\Params\RequestedMediaType\Enum")
                    $myObj.SpeedDuplex = $enum.GetValue("$requestedMediaType")
                }
                ElseIf ($componentID -match "ven_8086")
                {
                    $myObj.NICModel = "Intel"
                    $SD = $subKey.GetValue("SpeedDuplex")
                    $enum = $subKey.OpenSubKey("Ndi\Params\SpeedDuplex\Enum")
                    $myObj.SpeedDuplex = $enum.GetValue("$SD")
                }
                ElseIf ($componentID -match "b06bdrv")
                {
                    $myObj.NICModel = "HP"
                    $SD = $subKey.GetValue("req_medium")
                    $enum = $subKey.OpenSubKey("Ndi\Params\req_medium\Enum")
                    $myObj.SpeedDuplex = $enum.GetValue("$SD")
                }
                Else
                {
                    $myObj.NICModel = "unknown"
                    $myObj.SpeedDuplex = "unknown"
                }
            }
        }
        $myCol += $myObj
    }
}
}

$myCol | Out-file 'C:\test\Outfile.txt'