That's for your own use however, the license says:

Access to the data is restricted to employees and contractors of the license holder. With contractors, the license holder is liable should the contractors violate the terms of the agreement.

Data may not be stored in a way that is publicly accessible.

If you wanted to build a public server with that, you would have to use their per-usage API according to their FAQ: http://www.maxmind.com/en/faq#lookuptool