public Proxy getProxyAuthorizationInstance(){

        Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(host, port));

        Authenticator authenticator = new Authenticator() {

            @Override
            public PasswordAuthentication getPasswordAuthentication() {
                return (new PasswordAuthentication(username,
                        password.toCharArray()));
            }
        };
        Authenticator.setDefault(authenticator);
        System.out.println(host + " " + port + " " + username + " " + password);
        return proxy;
    }
private String sendRequestToGetIPData(){
        HttpURLConnection con = null;
        StringBuilder json = new StringBuilder();
        MyProxy proxy = new MyProxy("", 0, "", "");
        try {
            URL url = new URL("https://ipapi.co/json");
            con = (HttpURLConnection) url.openConnection(proxy.getProxyAuthorizationInstance());
            con.setRequestMethod("POST");
            con.setConnectTimeout(10000);
            con.setReadTimeout(10000);

            int responseCode = con.getResponseCode();
            appendToTextArea("Sending " + con.getRequestMethod() + " request to URL : " + url);
            appendToTextArea("Response Code : " + responseCode);
            BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            json = new StringBuilder();
            while ((inputLine = in.readLine()) != null) {
                json.append(inputLine);
            }
            in.close();

        } catch (Exception e){
            appendToTextArea(e.getLocalizedMessage() + "\n" + proxy.getHost() + " : " + proxy.getPort() + " " + proxy.getUsername() + " " + proxy.getPassword());
            e.printStackTrace();
        } finally {
            if (con != null) {
                con.disconnect();
            }
        }
        return json.toString();
    }