java 获取局域网ip的HostName

package com.zeus.rpc.thrift.server.demo;

import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Arrays;

/**
* Created by Administrator on 2016/2/18.
* java 获取局域网ip的HostName
*/
public class TestMyTool {

public static void main(String[] args) throws SocketException, UnknownHostException {

// byte[] bs = new byte[] { (byte) 127, (byte) 0, 0, 1 };
// System.out.println(InetAddress.getByAddress(bs).getHostName());

testIP("192.168.1.109");
testIP("192.168.1.104");
testIP("192.168.1.118");
testIP("192.168.1.107");
testIP("192.168.1.161");
testIP("192.168.1.131");

}

private static void testIP(String ip) throws UnknownHostException {
byte[] address=toIpByte(ip);
System.out.println(Arrays.toString(address));
InetAddress addr = InetAddress.getByAddress(address);
System.out.println(addr.getHostName());
}

private static byte[] toIpByte(String ip) {
String[] ips=ip.split("\\.");
byte[] address=new byte[ips.length];
for (int i=0;i<ips.length;i++)
{
address[i]=(byte) Integer.parseInt(ips[i]);
}
return address;
}
}