In case of activation of the IP anonymization, Google will truncate/anonymize the last octet of the IP address for Member States of the European Union as well as for other parties to the Agreement on the European Economic Area. Only in exceptional cases, the full IP address is sent to and shortened by Google servers in the USA. On behalf of the website provider Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage to the website provider.
Furthermore you can prevent Google’s collection and use of data (cookies and IP address) by downloading and installing the browser plug-in available under (http://tools.google.com/dlpage/gaoptout?hl=en)
Further information concerning the terms and conditions of use and data privacy can be found at http://www.google.com/policies/privacy/index.html Please note that on this website, Google Analytics code is supplemented by "anonymizeIp" to ensure an anonymized collection of IP addresses (so called IP-masking).