This is not that easy. The only place to check is to check the information registered by authoritative organizations, such as whois, asn, and bgp. But if you find out that it is assigned to Hebei Telecom, it may not be used by Hebei Telecom. There is no use in finding out, it must be verified. Go read Gao Chunhui’s article on IP matters
IP libraries are basically stored according to IP segments. It is impossible to store one line per line. One library can contain dozens or hundreds of megabytes at most
You can just buy an offline library. The number of QPS depends on how many machines you are willing to build. If you set up a service by yourself, it is easy to achieve thousands of QPS on a single machine
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This is not that easy. The only place to check is to check the information registered by authoritative organizations, such as whois, asn, and bgp. But if you find out that it is assigned to Hebei Telecom, it may not be used by Hebei Telecom. There is no use in finding out, it must be verified. Go read Gao Chunhui’s article on IP matters
IP libraries are basically stored according to IP segments. It is impossible to store one line per line. One library can contain dozens or hundreds of megabytes at most
You can just buy an offline library. The number of QPS depends on how many machines you are willing to build. If you set up a service by yourself, it is easy to achieve thousands of QPS on a single machine