ping

@echo off

set /p var=192.168.XXX.1 XXX=?:

echo search....

for /l %%i in (1,1,255) do ping -n 1 -w 10 192.168.%var%.%%i > nul & if errorlevel 1 ( echo 192.168.%var%.%%i X ) else echo 192.168.%var%.%%i O &  echo 192.168.%var%.%%i >> ping.txt

type ping.txt

pause