The whole idea of Geoip is flawed. IP dosen't reside in countries, they are routable adresses that can reside everywhere, I guess soon on mars even.
Med vänlig hälsning Andreas Larsen IP-Only Telecommunication AB| Postadress: 753 81 UPPSALA | Besöksadress: S:t Persgatan 6, Uppsala | Telefon: +46 (0)18 843 10 00 | Direkt: +46 (0)18 843 10 56 www.ip-only.se Den 2013-05-24 02:54 skrev Rob Seastrom <r...@seastrom.com>: > >This may be just a case of getting what you pay for, but Maxmind marks >entire netblocks as proxies, puts 'em in the wrong country, and >ignores repeated efforts by the registrant of the address space to set >the record straight. The problem comes when people actually do stuff >with the information, like block access to legitimate web sites >because the're in "proxy space" and therefore assumed to be bad guys >(believe it or not this practice is widespread by well-intentioned but >clueless folk). Caveat utilitor. > >-r > >chip <chip.g...@gmail.com> writes: > >> I've used the MaxMind Lite geo-ip database plus some perl modules and a >>BGP >> table to get something fairly close. Anything in the BGP table that was >> larger than a /20 I split into /20's. For my use case, this was close >> enough. I then grabbed 30 or so IP's within the range and geo-ip mapped >> them. You can then apply some algebra and get a general idea of where >> things are or are not. >> >> Things I used: >> http://search.cpan.org/~plonka/Net-Patricia-1.014/Patricia.pm - For >> ip/prefix/lat-lon mapping >> http://search.cpan.org/~borisz/Geo-IP-1.41/lib/Geo/IP.pm - For Geo-IP >> lat/lon data >> http://dev.maxmind.com/geoip/legacy/geolite - Maxmind's city database >> http://data.caida.org/datasets/routing/routeviews-prefix2as/ - for BGP >> prefix/mask + src ASN info >> >> Good luck! >> >> --chip >> >> >> >> >> >> >> On Thu, May 23, 2013 at 3:47 PM, 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. >>> >>> I've noticed some paid databases out there. They don't cost much but >>>are >>> they even worth what they charge? Ie, countryipblocks.net doesn't list >>> quite a few addresses from a country I've looked at blocking. Isn't >>>this >>> information free from the different *NICs anyway? >>> >>> This is probably two questions: a program that smartly looks for >>>country's >>> blocks in a block and are GeoIP services worth anything? >>> >> >> >> >> -- >> Just my $.02, your mileage may vary, batteries not included, etc.... >
