Java-Code

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Scanner;

public class JavaAufHtml {
	
	static String eingabe;

	public static void main(String[] args) throws Exception {
		
		JavaAufHtml http = new JavaAufHtml();
		
		System.out.print("Bitte IP eingeben: ");
		Scanner sc = new Scanner(System.in);
		eingabe = sc.next();
		sc.close();
		
		http.sendGet();
	}
	
	private void sendGet() throws Exception {
		
		String url ="http://www.freegeoip.net/csv/"+eingabe;
		
		URL obj = new URL(url);
		HttpURLConnection con = (HttpURLConnection)obj.openConnection();
		
		BufferedReader in = new BufferedReader(
		        new InputStreamReader(con.getInputStream()));
		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}
		in.close();
		
		String buf = response.toString();
		
		String[] teile = buf.split("\\,");
		String IP    = teile[0];
		String laK   = teile[1];
		String laL   = teile[2];
		String stK   = teile[3];		
		String stL   = teile[4];		
		String std   = teile[5];
		String post  = teile[6];
		String utc   = teile[7];		
		String lat   = teile[8];		
		String lon   = teile[9];		
		String metr  = teile[10];
		
		

		//print result
		System.out.println("Die IP "+IP+" befindet sich in dem Land "+laK+" in der Stadt "+"\n"
							+std+", die Geo Koordinaten sind "+lat+", "+lon);
	}

}

Java-Code

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.ProtocolException;
import java.net.URL;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;

public class Webrequest {
    Scanner scan = new Scanner(System.in);


    public void openUrl() throws IOException {
        System.out.print("IP needed: ");
        String ip = scan.nextLine().replace(",", ".").replace(" ", "");
        URL url = new URL("http://api.ipstack.com/" + ip + "?access_key=
Zitat:
Hier muss dein access key rein
&language=de&fields=main");
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setRequestMethod("GET");

        StringBuilder content;

        try (BufferedReader in = new BufferedReader(
                new InputStreamReader(con.getInputStream()))) {
            String line;
            content = new StringBuilder();
            while ((line = in.readLine()) != null) {
                content.append(line);
                content.append(System.lineSeparator());
            }
        }


        String contentAsString = content.toString().replace("\"", " ").replace("{", "").replace("}", "");
        List<String> infoArray = Arrays.asList(contentAsString.split(","));


        for (int i = 0; i < infoArray.size(); i++) {


            System.out.println(infoArray.get(i));
        }
    }


    public static void main(String[] args) throws IOException {
        Webrequest webrequest = new Webrequest();
        webrequest.openUrl();
    }
}