Batch Is Online

@echo off
@ping -n 1 10.10.20.250 | find "TTL"
if ERRORLEVEL 1 (
    echo offline
) else (
    echo okay
)

@echo off
IF "%~1" == "" GOTO noinput
@ping -n 1 %1 | find "TTL"
if ERRORLEVEL 1 (
    echo offline
) else (
    echo okay
)
GOTO end

:noinput
echo NO input given

:end