public String getAddressByIP(String strIP)

	{

	  try

	  {

	    //String strIP = "61.132.31.61";

	    URL url = new URL( "http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=" + strIP);

	    URLConnection conn = url.openConnection();

	    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF8"));

	    String line = null;

	    StringBuffer result = new StringBuffer();

	    while((line = reader.readLine()) != null)

	    {

	      result.append(line);

	    }

	    reader.close();

	    System.out.println(result.toString());

        JSONObject obj = JSONObject.fromObject(result.toString());

        int code = (Integer) obj.get("ret");

        String resout="";

        if(code==1){

            resout =  obj.get("country") +" "+obj.get("province")+obj.get("city") +obj.get("district") +obj.get("isp");

        }else{

        	//resout=strIP;

        }

	    return resout;

	  }

	  catch( IOException e)

	  {

	    return "读取失败";

	  }catch(Exception e){

		  return strIP;

	  }

	}