数据库大概存储几十万条IP记录,记录集如下: +----------+----------+------------+---------+---------+--------+--------+ | ip_begin | ip_end | country_id | prov_id | city_id | isp_id | netbar | +----------+----------+------------+---------+---------+--------+--------+ | 0 | 16777215 | 2 | 0 | 0 | 0 | 0 | | 16777216 | 33554431 | 2 | 0 | 0 | 0 | 0 | | 33554432 | 50331647 | 2 | 0 | 0 | 0 | 0 | | 50331648 | 67108863 | 3 | 0 | 0 | 0 | 0 | | 67108864 | 67829759 | 3 | 0 | 0 | 0 | 0 | +----------+----------+------------+---------+---------+-----...
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