Google Analytics Anonymize IP Usage Statistics

Tell Google Analytics to anonymize the information sent by the tracker objects by removing the last octet of the IP address prior to its storage.

http://code.google.com/apis/analytics/docs/gaJS/gaJSApi_gat.html

Analytics and Tracking

Google Analytics Anonymize IP Customers

We know of 3,737,449 live websites using Google Analytics Anonymize IP.