[网络连接] [已解决]批量ping的批处理怎样查看端口是否开放？

@echo off
del last.txt
echo ----------------------------------------------------------------
echo 格式为            *.*.*.* 
set /p aa=请输入开始值:
echo ~~~~~~~~~~注意：前三个输入的数字应该与刚才的一样~~~~~~~~~~~
set /p bb=请输入结束值:
ping -n 1 %aa% |findstr "Reply" >>last.txt
for /f "delims=.  tokens=4" %%i in ("%aa%") do set a=%%i
for /f "delims=.  tokens=4" %%i in ("%bb%") do set b=%%i
:start
set /a a+=1
for /f "delims=. tokens=1,2,3" %%i in ("%aa%") do set c=%%i.%%j.%%k.%a%
ping -n 1 %c% |findstr "Reply" >>last.txt
if "%a%"=="%b%" goto end
goto start
:end
pause
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del ip.txt
for /f "delims=:" %%i in (last.txt) do echo %%i >>ip.txt
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del lastip.txt
for /f "tokens=3" %%i in (ip.txt) do echo %%i >>lastip.txt
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