Ip2region is an offline IP-to-Region localization library and IP data management framework with both IPv4 and IPv6 supports, 10-microsecond level query efficiency, xdb search client for many programming languages
ip2region查询Python版，数据来源https://github.com/lionsoul2014/ip2region，代码来源https://github.com/luckydog6132，本作者仅做封装使用。
