How to get Host name by IP address in Java?

Below example shows how to get host name for the given IP address. InetAddress class helps you to get these details. The method getByName() provides InetAddress object by passing IP address as its input. By calling getHostName() method on this object, you can get host name.

package com.myjava.ip;

import java.net.InetAddress;
import java.net.UnknownHostException;

public class MyHostName {

    public static void main(String a[]){
    
        try {
            InetAddress host = InetAddress.getByName("72.167.232.155");
            System.out.println(host.getHostName());
        } catch (UnknownHostException ex) {
            ex.printStackTrace();
        }
    }
}