try {
        String line;
        String getCommand = "ip neigh show dev wlan0";
        Process p = Runtime.getRuntime().exec(getCommand);
        BufferedReader input =
                new BufferedReader
                        (new InputStreamReader(p.getInputStream()));
        while ((line = input.readLine()) != null) {
            Log.i("value1",line);
        }
        input.close();
    } catch (Exception e) {

    }