WiFi

gatewayIP()

WiFi.gatewayIP() returns the gateway IP address of the network as an IPAddress.

SerialLogHandler logHandler;

void setup() {
  // Wait for a USB serial connection for up to 30 seconds
  waitFor(Serial.isConnected, 30000);

  // Prints out the gateway IP over Serial.
  Log.info("gateway: %s", WiFi.gatewayIP().toString().c_str());
}