Java InetAddress class

Java InetAddress class represents an IP address. The class provides methods to get the IP of any host name for example,,, etc.

An IP address is represented by 32-bit or 128-bit unsigned number. An instance of InetAddress represents the IP address with its corresponding host name. There are two types of address types: Unicast and Multicast. The Unicast is an identifier for a single interface whereas Multicast is an identifier for a set of interfaces.

Moreover, InetAddress has a cache mechanism to store successful and unsuccessful host name resolutions.

Commonly used methods of InetAddress class

public static InetAddress getByName(String host) throws UnknownHostExceptionit returns the instance of InetAddress containing LocalHost IP and name.
public static InetAddress getLocalHost() throws UnknownHostExceptionit returns the instance of InetAdddress containing local host name and address.
public String getHostName()it returns the host name of the IP address.
public String getHostAddress()it returns the IP address in string format.

Example of Java InetAddress class

Let's see a simple example of InetAddress class to get ip address of website.

public class InetDemo{
public static void main(String[] args){
InetAddress ip=InetAddress.getByName("");

System.out.println("Host Name: "+ip.getHostName());
System.out.println("IP Address: "+ip.getHostAddress());
}catch(Exception e){System.out.println(e);}


Host Name: IP Address:
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