public static String getIpAddress() {
        try {
            for (Enumeration en = NetworkInterface.getNetworkInterfaces(); en
                    .hasMoreElements();) {
                NetworkInterface intf = (NetworkInterface) en.nextElement();
                for (Enumeration enumIpAddr = intf.getInetAddresses(); enumIpAddr
                        .hasMoreElements();) {
                    InetAddress inetAddress = (InetAddress) enumIpAddr
                            .nextElement();
                    if (!inetAddress.isLoopbackAddress()
                            && inetAddress instanceof Inet4Address) {
                        String ipAddress = inetAddress.getHostAddress()
                                .toString();
                        System.out.println("IP address: " + ipAddress);
                        return ipAddress;
                    }
                }
            }
        } catch (Exception ex) {
            System.out
            .println("Socket exception in GetIP Address of Utilities");
        }
        return null;
    }