In the first article on IP to location I described the overall concept. In this edition we'll look at the implementation and how to scale the tracing to a reasonable speed.

With the examples from the last article you can also implement everything to build your own database. Before ...

Several years ago (looking at archive.org it was at the end of 2001) I wrote a database that translated IPs to locations. Very similar to the city-db from maxmind.com. Perhaps someone still remembers the article in the iX about it ?

Anyway, now it is time to release the ...