Dear,
i just install your fantastic product and my IP is registered in USA, but whois info and I am in another country, you can check:
77.243.16.x
br.
and this IP same problem:
178.254.189.1
so, i believe IP database is some kind old?
that`s it.
thank you.
Good news: GeoIP is now integrated in Piwik, enabling Accurate Visitors Geolocation in your Analytics reports. To enable GeoIP go to the Settings > Geolocation admin page, and follow the short instructions.
You can also get an even more accurate Country & City Database from here to enjoy top accuracy in detecting your visitors locations.
See also the documentation about Geolocation - Analytics Reports in Piwik.