public String getServerIP() {
String urlloc="http://checkip.amazonaws.com/";
try {
          URL url = new URL(urlloc);
          URLConnection openConnection = url.openConnection();
            openConnection.addRequestProperty("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:25.0) Gecko/20100101 Firefox/25.0");
          Scanner r = new Scanner(openConnection.getInputStream());
          StringBuilder sb = new StringBuilder();
          while (r.hasNext()) {
            sb.append(r.next());
          }
          r.close();
          return sb.toString();
        } catch (IOException e) {
        }
return null;
}