Your point about the machine limitations of the organisation undiminished, doesn't this quote from your own reference suggest that there are ~1.6 billion IPs in use?

Of the 2063.60 million addresses delegated to the five Regional Internet Registries, 1685.69 million have been delegated to end-users or ISPs by the RIRs,
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In reply to Re^2: Working with large amount of data by BrowserUk
in thread Working with large amount of data by just1fix

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