echo off

for /f "usebackq tokens=1,2* delims=^:" %%i ^
in (`ipconfig ^| findstr /n /r "." ^| findstr /r "^13:"`) DO @set IP=%%k
rem 取得したIPアドレス前後のスペースを削除
call :IPADD %IP%
rem 123.321.から始まるIPアドレスか判別
echo %IP%

echo %IP% | findstr /B 123.321. > nul
if %ERRORLEVEL% neq 0 goto START_PRIVATE
goto START_OFFICE

:IPADD
set IP=%*
exit /b

:START_OFFICE
start "" "C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE"

exit /b

:START_PRIVATE
start "" "C:\Program Files\Google\Chrome\Application\chrome.exe"

exit /b