[Foreigner]

mariolast, Лучше через wmic:

Код:

@echo off
setlocal

set "wmic=wmic nicconfig where ipenabled='true' get DefaultIPGateway,IPAddress,IPSubnet /value"
for /f %%i in (' "%wmic%" ') do 1>nul set "%%i"

for /f "tokens=1 delims={}," %%i in ("%DefaultIPGateway%") do echo gateway: %%~i
for /f "tokens=1 delims={}," %%i in ("%IPAddress%") do echo ipaddress: %%~i
for /f "tokens=1 delims={}," %%i in ("%IPSubnet%") do echo ipsubnet: %%~i