23 Feb
2012
23 Feb
'12
9:05 a.m.
Great explanation . Thanks everyone (Sent from my mobile device) Anurag Bhatia http://anuragbhatia.com On Feb 9, 2012 1:37 AM, "Joe Provo" <nanog-post@rsuc.gweep.net> wrote:
On Thu, Feb 09, 2012 at 01:28:07AM +0530, Anurag Bhatia wrote: [snip]
I have never did such setup, but I assume it works as you say. I wonder how it finds a US based system from IP quickly (since it's DNS server)?
Drop "ip geolocation" or "internet geolocation" into Your Favorite Search Engine. Short answer is some folks just refer to databases published/generated by others, some folks use DNS guesses, and some folks measure packet arrival. And most often, there is a combination of methods used.
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