腾讯的IP地址API接口地址：http://fw.qq.com/ipaddress
新浪的IP地址查询接口：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js
结果：
var remote_ip_info = {"ret":1,"start":"223.223.192.0","end":"223.223.207.255","country":"u4e2du56fd","province":"u5317u4eac","city":"u5317u4eac","district":"","isp":"","type":"","
新浪多地域测试方法：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=218.192.3.42
结果：
var remote_ip_info = {"ret":1,"start":"218.192.0.0","end":"218.192.7.255","country":"u4e2du56fd","province":"u5e7fu4e1c","city":"u5e7fu5dde","district":"","isp":"u6559u80b2u7f51","type":"u5b66u6821","desc":"u5e7fu5ddeu5927u5b66u7ebau7ec7u670du88c5u5b66u9662u6559u80b2u7f51"};
搜狐IP地址查询接口（默认GBK）：http://pv.sohu.com/cityjson
搜狐IP地址查询接口（可设置编码）：http://pv.sohu.com/cityjson?ie=utf-8
06 |
（json格式的）国家 、省（自治区或直辖市）、市（县）、运营商 |
09 |
{"code":0,"data":{"ip":"210.75.225.254","country":"u4e2du56fd","area":"u534eu5317", |
10 |
"region":"u5317u4eacu5e02","city":"u5317u4eacu5e02","county":"","isp":"u7535u4fe1", |
11 |
"country_id":"86","area_id":"100000","region_id":"110000","city_id":"110000", |
12 |
"county_id":"-1","isp_id":"100017"}} |
13 |
其中code的值的含义为，0：成功，1：失败。 |