$machines = Get-ADComputer -SearchBase "DOMAIN OU" -Filter {Enabled -eq $true} | Foreach {$_.DNSHostName}
$Output=ForEach ($System in $Machines) {
    $app = $null
    $ServerStatus = "Unreachable"
    $AppStatus = "Presense Unknown"

    if (test-Connection -ComputerName $System -BufferSize 16 -Count 1 -ea 0 -Quiet)
    {
		$ServerStatus = "Online"
        $app = Get-WMIObject -Class win32_product -Filter {Name like "Sophos Anti-Virus"} -ComputerName $System

        if($app) {
            $AppStatus = "Present"
        } else {
            $AppStatus = "Not Present"
        }
    }

    if($app) {
        $app | Select-Object -Property @{n="ComputerName";e={$System}},@{n="ServerStatus";e={$ServerStatus}},@{n="AppStatuName";e={$AppStatus}},Name,Version
    } else {
         "" | Select-Object -Property @{n="ComputerName";e={$System}},@{n="ServerStatus";e={$ServerStatus}},@{n="AppStatuName";e={$AppStatus}},Name,Version
    }
}

$output | Export-csv -NoTypeInformation C:\Output.csv