1.IP地址查询php版，采用淘宝IP地址库，非常的精准。并且会随着淘宝IP地址库实时更新。所以您获得的数据将会是最新的。

2.此代码非常简单。完全免费开源，可进行二次开发及修改等。

3.此文件分为两个版本，（1）通用版（2）sina SAE专版 -1.IP address query php version using Taobao IP address of the library, and very accurate. And will be updated with the the Taobao IP address database in real time. The data obtained will be the latest. This code is very simple. Completely free, open source, secondary development and modification. (3) This document is divided into two versions, (1) Universal Edition (2) sina the SAE Zhuanban