You can run netstat to a temp file then find in the temp file.

netstat -RN> %TEMP%\netstat.tmp
find /i "137.169.8" %TEMP%\netstat.tmp |find /i " 127.0."> NUL
if not errorlevel 1 goto end

:Everyone

:end

If the IP address contains these values then it skips to the end.