On 2013-02-25 08:19, Andrew Hume wrote:
i am asking this for a friend who needs to remain unidentified.

she needs to get whois type information for approx 1M ip addresses in teh US.
she can, and has, just simply bang out the queries but by observation,
one's ip address will get blacklisted if the query rate exceeds 1000 or so per
day.
apart from the ethically dubious technique of renting amazon servers and using
them until they get blacklisted, is there any better way to get this information
quicker? like a commercial service? we expect the data changes slowly, so
month or 3 old data would likely be fine.


There is somebody out there who did a reverse lookup of the entire internet, and at the time had made some of his DB online. Unfortunately, I cannot find anything about it right now... I don't know that he collected whois information, but that would be a good start, also, the author might be able to help out with your request if he doesn't have the information already.

--
Yves.                                                  http://www.SollerS.ca/
                                 Unix/Linux and Python specialist in Calgary.
                                                       http://blog.zioup.org/
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