根据IP获取所在的国家城市

新浪的IP地址查询接口：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js

新浪多地域测试方法：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=119.139.196.127

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

太平洋电脑 IP库接口：(默认callback=IPCallBack) http://whois.pconline.com.cn/ipJson.jsp

淘宝网接口：http://ip.taobao.com/service/getIpInfo.php?ip=119.139.196.127
返回：
{"code":0,"data":{"ip":"119.139.196.127","country":"中国","area":"","region":"广东","city":"深圳","county":"XX","isp":"电信","country_id":"CN","area_id":"","region_id":"440000","city_id":"440300","county_id":"xx","isp_id":"100017"}}

IP地址查询--手机号码查询归属地 | 邮政编码查询 | 长途电话区号 | 身份证号码验证在线查询网
http://ip138.com/

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
   <title>根据IP地址获取所在城市</title>

   <script src="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js" type="text/ecmascript"></script>
   <script type="text/JavaScript">
       function getIpPlace() {
               alert(remote_ip_info["province"] + "省" + ',' +remote_ip_info["city"] + "市")
       } </script>
</head>
<body>
   <form id="form1"runat="server">
   <div>
       <input id="Button1" type="button"value="根据IP地址获取所在城市" onclick="getIpPlace();"/>
   </div>
   </form>
   
新浪的IP地址查询接口：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js 

新浪多地域测试方法：http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip=121.33.59.18

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 

太平洋电脑 IP库接口：(默认callback=IPCallBack) http://whois.pconline.com.cn/ipJson.jsp 

淘宝网接口：http://ip.taobao.com/service/getIpInfo.php?ip=119.139.196.127
返回：
{"code":0,"data":{"ip":"119.139.196.127","country":"中国","area":"","region":"广东","city":"深圳","county":"XX","isp":"电信","country_id":"CN","area_id":"","region_id":"440000","city_id":"440300","county_id":"xx","isp_id":"100017"}}

IP地址查询--手机号码查询归属地 | 邮政编码查询 | 长途电话区号 | 身份证号码验证在线查询网
http://ip138.com/

</body>
</html>