通过IP获得IP所在地的三个接口

http://ip.qq.com/cgi-bin/searchip?searchip1=180.168.144.211

http://ip.taobao.com/service/getIpInfo.php?ip=180.168.144.211

http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=180.168.144.211