If ERRORLEVEL

@echo off

set host=host_ip 
set logfile=Ping_test.log
set logfile_fail=Ping_test_fail.log

echo Target Host = %host% >%logfile%
for /f "tokens=*" %%A in ('ping %host% -n 1') do (echo (%%A>>%logfile% && GOTO Ping)

:Ping
for /f "tokens=* skip=2" %%A in ('ping %host% -n 1 ') do (
    echo %date% %time:~0,2%:%time:~3,2%:%time:~6,2% %%A>>%logfile%
    if not %errolevel% 0 do (echo %date% %time:~0,2%:%time:~3,2%:%time:~6,2% errorlvel %errorlevel% %%A>>%logfile_fail%) 
    echo %errorlevel% %date% %time:~0,2%:%time:~3,2%:%time:~6,2% %%A
    timeout 1 >NUL 
    GOTO Ping
)

Source: stackoverflow.com

If ERRORLEVEL

:Ping
for /f "tokens=* skip=2" %%A in ('ping %host% -n 1 ^& call echo %%^^errorlevel%%^>error.level') do (
    set /p elv=<"error.level" 
    if not !elv!==0 (echo %date% %time:~0,2%:%time:~3,2%:%time:~6,2% %%A>>%logfile_fail%)
    echo %date% %time:~0,2%:%time:~3,2%:%time:~6,2% %%A>>%logfile%
    echo elv %elv% %date% %time:~0,2%:%time:~3,2%:%time:~6,2% %%A
    timeout 1 >NUL 
    GOTO Ping
)

Source: stackoverflow.com

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