On Thu, May 23, 2013 at 4:32 PM, Joe Abley <jab...@hopcount.ca> wrote: > > On 2013-05-23, at 15:47, shawn wilson <ag4ve...@gmail.com> wrote: > >> What's the best way to find the networks in a country? I was thinking of >> writing some perl with Net::Whois::ARIN or some such module and loop >> through the block. But I think I'll have to be smarter than just a simple >> loop not to get blocked and I figure I'm not the first to want to do this. > > If you are looking for registration data, try looking in one or more of > > ftp://ftp.apnic.net/public/apnic/stats/apnic/ > ftp://ftp.ripe.net/ripe/dbase/ > ftp://ftp.lacnic.net/pub/stats/lacnic/ > ftp://ftp.afrinic.net/stats/afrinic/ > ftp://ftp.arin.net/pub/stats/arin/ > > (poke around and see what you can find; I didn't spend much time trying, but > several/all of the RIRs seem to mirror data from all the others)
Thanks > > Note that "networks in a country" is a funny phrase. The sets > > - address space assigned to all organisations located in country X > - routes visible in country X (from some viewpoint) > - all addresses assigned to devices physically located within country X > - routes that are considered "in-country" in places where billing is aligned > with the necessity to traverse a long bit of wet glass > > are frequently incongruent. If this matters, you might want to consider a > more detailed specification of "networks in a country". > I had somewhat considered the second and the fourth point. I assumed by using whois data, I am getting the second of those options and that was good enough. If there's a way to (somewhat easily) implement the third option, I'm all ears.
