package getHostNameTEST; import java.net.InetAddress; import java.net.UnknownHostException; class Main { public static void main(String[] args) { try { InetAddress ia = InetAddress.getByName ("REPLACE WITH IP THAT DOESN"T RELATED TO ANY DNS RECORDS (NO HOSTNAME)"); System.out.println("Getting hostname"); System.out.println(ia.getHostName()); System.out.println("Should have hostname now"); } catch (UnknownHostException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }