try {
// Get hostname by textual representation of IP address
InetAddress addr = InetAddress.getByName("127.0.0.1");
// Get hostname by a byte array containing the IP address
byte[] ipAddr = new byte[]{127, 0, 0, 1};
addr = InetAddress.getByAddress(ipAddr);
// Get the host name
String hostname = addr.getHostName();
// Get canonical host name
String hostnameCanonical = addr.getCanonicalHostName();
}
catch (UnknownHostException e) {
}
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