Obviously the IT people at the company you work for are pretty lax. If you had tried that on a company machine where I work you first would have discovered you don’t have enough access rights. Try to overcome that and you’ll have me walking up to you, followed rather quickly by me walking away with that laptop under my arm.

@echo off
set SN=
:GETSN
if “%SN%”==”" set /p SN=Please specify subnet to scan (192.168.x.1-254):
if “%SN%”==”" goto GETSN
nmap -PE -p3389 –open 192.168.%SN%.1-254 | find “Interesting ports on” > %TEMP%\alivehosts.txt
for /F “tokens=1,2 delims=()” %%i in (‘type %TEMP%\alivehosts.txt’) do echo %%j
del %TEMP%\alivehosts.txt
set SN=