Batch NetWork Scanner v0.2

@ECHO OFF

REM
REM Batch NetWork Scanner v0.2
REM - Fix When Problem "Default Gateway" in ping if user have more than 1 gateway (vpn etc.)
REM - Change "ping -n 1" to "ping -n 1 -w 50 -i 6 " for fastest scan  ;)
REM - Change Name to "Batch NetWork Scanner"..
REM
REM Batch NetWork Scanner v0.1
REM - Initial Release
REM



set outputfilename=result.txt
set output=%cd%\%outputfilename%
if EXIST "%output%" (
   del /q /f %output%
   )
for /f "tokens=15" %%A in ('ipconfig /all ^| find "DHCP Server"') do @set gAteWaY=%%A
for /f "tokens=1-3 delims=." %%A in ('echo.%gAteWay%') do @set three=%%A.%%B.%%C
for /f "tokens=2" %%A in ('date /t') do @set date=%%A
>>"%output%" ECHO --------------------------
>>"%output%" ECHO Batch NetWork Scanner Log v0.2
>>"%output%" ECHO Date : %date%
>>"%output%" ECHO Scan WayPoint = %three%.1-255
>>"%output%" ECHO.
>>"%output%" ECHO v0.2 FIX LOG :
>>"%output%" ECHO - Fix When Problem "Default Gateway" in ping if user have more than 1 gateway (vpn , game tunnel, etc.)
>>"%output%" ECHO - Change "ping -n 1" to "ping -n 1 -w 50 -i 6 " for fastest scan  ;)
>>"%output%" ECHO --------------------------
>>"%output%" ECHO.
>>"%output%" ECHO.
echo.
echo Batch NetWork Scanner Log v0.2
echo Author : AltenatorIWnet
echo Date : 8 July 2012
echo.
echo.
echo.
echo.
echo.
setLocal EnableDelayedExpansion
for /l %%G in (1,1,255) do (
   set /a percentage="(%%G*100)/255">nul
   title !percentage! Percent Complete..
   echo checking [%three%.%%G]
   >>"%output%" ECHO checking [%three%.%%G]
   for /f "tokens=1" %%F in ('ping -n 1 -w 50 -i 6 %three%.%%G ^| find "timed out."') do @set check=%%F
   if NOT DEFINED check (
        ECHO -- %three%.%%G ^<-- Reachable
        ECHO.
        >>"%output%" ECHO -- %three%.%%G ^<-- Reachable
        >>"%output%" ECHO.
    ) else (
        ECHO -- %three%.%%G ^<-- Not Reachable
        ECHO.
        >>"%output%" ECHO -- %three%.%%G ^<-- Not Reachable
        >>"%output%" ECHO.
        ECHO.
        )
)
cls
echo.
echo --------------------------------------------------------
echo Finish Scanning, Check Log file in "%outputfilename%".
echo --------------------------------------------------------
echo.
echo.
pause