192.168.2.1|192.168.2.20|0|0|0|内网IP|办公室A
192.168.2.21|192.168.2.30|0|0|0|内网IP|办公室A
192.168.2.31|192.168.2.60|0|0|0|内网IP|办公室B
192.168.2.61|192.168.2.91|0|0|0|内网IP|办公室B
223.255.236.0|223.255.239.255|中国|0|上海|上海市|电信