GeoIP Lookup XML API
Geo IP Lookup provides free XML API for everyone. Please use url with query as on example:http://api.geoiplookup.net/?query=23.20.50.146
The XML result is as follows:
<results>
<result>
<ip>23.20.50.146</ip>
<host>23.20.50.146</host>
<isp>Amazon.com</isp>
<city></city>
<countrycode>US</countrycode>
<countryname>United States</countryname>
<latitude>39.04810</latitude>
<longitude>-77.47280</longitude>
</result>
</results>