Patent ID: 8812012

Claim:
A method of associating media devices with a demographic composition of a geographic area, the method comprising: receiving a plurality of Internet Protocol addresses assigned to a media device associated with a panel member; determining, using a processor, a most used Internet Protocol address from the plurality of Internet Protocol addresses assigned to the media device; accessing geographic information and determining a first geographic location corresponding to the most used Internet Protocol address by: matching the most used Internet Protocol address to a first range of a first level of Internet Protocol address prefixes, identifying a first geographic region based on the first range of the first level of Internet Protocol address prefixes, matching the most used Internet Protocol address to a first range of a second level of Internet Protocol address prefixes, the second level more specific than the first level, and identifying a second geographic region based on the first range of the second level of Internet Protocol address prefixes, the second geographic region within the first geographic region, the first geographic location within the second geographic region; in response to determining the first geographic location corresponds to a location of an internet service provider, associating a geographic area with the media device, wherein the size of the geographic area corresponds to an average distance between locations of a plurality of media devices and the first geographic location, the geographic area within or coextensive with the second geographic region; accessing demographic information and determining a demographic profile associated with the geographic area; and associating the demographic profile with the media device.