@echo off
rem 25-10-2010 by VdP
IPCONFIG |FIND "IP" > %TEMP%.\TEMP.DAT
FOR /F "tokens=2 delims=:" %%a in (%TEMP%.\TEMP.DAT) do set IP=%%a
del %TEMP%.\TEMP.DAT
set outboundip=%IP:~1%
echo.
echo Determined that your local outbound IP address is %outboundip%.
echo Configuring null-routes...
rem ?
route delete 203.34.202.11 >NUL
route -p add 203.34.202.11 mask 255.255.255.255 %outboundip% >NUL
rem gpsoft.com.au
route delete 67.228.213.247 >NUL
route -p add 67.228.213.247 mask 255.255.255.255 %outboundip% >NUL
rem gpsoft.com
route delete 173.236.131.192 >NUL
route -p add 173.236.131.192 mask 255.255.255.255 %outboundip% >NUL
rem dopus.com
route delete 75.119.221.229 >NUL
route -p add 75.119.221.229 mask 255.255.255.255 %outboundip% >NUL
echo done.
echo.
echo If everything went according to plan, you should only get
echo "Destination host unreachable." replies from %outboundip%.
echo.
ping 67.228.213.247
echo.
rem [obsolete] Comments for reference (hosts, registered dll's)
rem # GPsoft (Directory Opus) » Google
rem 74.125.77.99    gpsoft.com
rem 74.125.77.99    www.gpsoft.com
rem 74.125.77.99    dopus.com
rem 74.125.77.99    www.dopus.com
rem C:\Program Files\GPSoftware\Directory Opus\dopushlp.dll
rem C:\Program Files\GPSoftware\Directory Opus\dopuslib.dll
pause