@echo off&setlocal enabledelayedexpansion
for /f "delims=" %%a in ('ipconfig ') do (
    for /f "tokens=1,2 delims=:" %%b in ("%%a") do (
         set "str=%%b"&set "var=%%c"
         if defined flag if "!str:ip=!" neq "!str!" echo !var:~,1!
         if "!str:~,-3!" equ "vpn" set "flag=a"
   )
)
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@echo off
for /f "tokens=1 delims=:" %%a in ('ipconfig^|findstr /n "vpn:"') do (
    set vpnRow=%%a
    goto :RowCount
)

:RowCount
for /f "skip=%vpnRow% tokens=1,15" %%a in ('ipconfig') do (
    if "%%a" equ "IP" (
        set vpnIP=%%b
        goto :ShowResult
    )
)

:ShowResult
echo,%vpnIP%
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