@echo off
for /f "usebackq tokens=1-3" %%A in (`"reg query HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{KEY} /v dhcpdefaultgateway|findstr /i dhcpdefaultgateway"`) do (for /f "usebackq delims=\ tokens=1-3" %%F in ('%%C') do (echo %%F))