cip.cc
ddns.oray.com/checkip
www.net.cn/static/customercare/yourip.asp
myip.ipip.net/s
ip.3322.net
ip.threep.top
10086.cn/web-Center/commonservice/getUserIp.do --referer http://10086.cn -XPOST
https://www.taobao.com/help/getip.php -H 'authority: www.taobao.com'