Test IP connections from a csv file

TestIP.ps1

$Devices = Import-Csv "Z:\Downloads\devices.txt"
# ComputerName,IP should be the first line (header) in CSV file.
foreach ($Device in $Devices)
{
    if (Test-Connection -ComputerName $Device.IP -Count 1 -ErrorAction SilentlyContinue)
    {
        Write-Host "$($Device.ComputerName),up"
    }
    else
    {
        Write-Host "$($Device.ComputerName),down"
    }
}