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IP for a country without a database

As we all know, there are many databases that can be used to return a country from a given IP address. I am wondering how do these database providers get this information? who tells them that this IP address is in this country and not another? Is there a script that resolves these IP addresses, or do they get many databases from each Internet provider and compile them into one? who has an idea?

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These databases are based on information from five RIRs that actually manage, allocate and register the IP address space. They also manage autonomous system (AS) numbers in a specific region. RIR:

  • African Network Information Center (AfriNIC)
  • American Internet Number Registry (ARIN)
  • Asia Pacific Network Information Center (APNIC)
  • Latin America and the Caribbean Information Center (LACNIC)
  • RIPE Network Focal Point (RIPE NCC)

This method is not perfect and improved by various data processing, database merging between database keepers and other methods, such as analysis of user submitted data.

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