Powershell check a registry key on IPs

reg_check.ps1

$TESTREG = "SOFTWARE\\Adobe\\Adobe ARM\\1.0\\ARM"
$TESTKEY = "iCheck"
$IPS = Get-Content 'C:\Users\yourname\Desktop\ips.txt'
$OUTPUT = 'C:\Users\yourname\Desktop\ips_log.txt'

function GetName($ipaddr) {
    # Resolve a computer name if we can
    try {
        [System.Net.Dns]::GetHostByAddress($ipaddr).HostName
    } catch [System.Exception] {
        return $ipaddr
    }
}

foreach ($ip in $IPS) {
    $compname = GetName $ip
    try {
        $reg    = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey("LocalMachine",$compname)
        $regkey = $reg.opensubkey($TESTREG)
    } catch [System.Exception] {
        "$ip ($compname)`tERROR (offline or no permission)" | Out-File -FilePath $OUTPUT -Append
        Continue
    }
    try {
        $keyvalue = $regkey.GetValue($TESTKEY)
        ("$ip ($compname)`t{0}" -f $keyvalue) | Out-File -FilePath $OUTPUT -Append
    } catch [System.Exception] {
        "$ip ($compname)`tNOT FOUND" | Out-File -FilePath $OUTPUT -Append
    }
}