探索Java中的IP属地获取技术

Socket socket = new Socket("www.example.com", 80);

InetAddress localAddress = socket.getLocalAddress();
String localIP = localAddress.getHostAddress();

InetAddress remoteAddress = socket.getRemoteSocketAddress();
String remoteIP = remoteAddress.getHostAddress();

import java.net.*;
import java.io.*;
public class IPGeolocation {
public static void main(String[] args) throws IOException {
    String host = "www.example.com";
    InetAddress localAddress;
    InetAddress remoteAddress;
    Socket socket = null;
        try {
    socket = new Socket(host, 80);
    localAddress = socket.getLocalAddress();
    remoteAddress = socket.getRemoteSocketAddress().getAddress();
} catch (IOException e) {
    System.err.println("Could not connect to " + host);
    System.exit(1);
            return;
            } finally {
            if (socket != null) {
                    socket.close();
        }
}
            if (localAddress.isLoopbackAddress()) {
        System.out.println("Local IP address: " + localAddress);
        System.out.println("Remote IP address: " + remoteAddress);
        } else {
                System.out.println("Local IP address: " + localAddress);
                System.out.println("Remote IP address: " + remoteAddress);
                System.out.println("IP geolocation: " + getGeolocation(remoteAddress));
                }
}
private static String getGeolocation(InetAddress ip) {
// Use a geolocation API to get the location information for the given IP address
// You may need to sign up for a service or use a free API for this step, such as MaxMind GeoIP Legacy or IP-API