The invention provides systems and methods for determining the physical location of a device connected to a network. The location information is stored in a wiring database that correlates the location information with an address present in every protocol data unit (PDU) thus enabling a network administrator to quickly locate an offending device. The invention provides systems and methods for validating reported physical location information using network topology. In another aspect, the invention provides systems and methods for maintaining the integrity of a wiring database storing physical locations of devices by motivating users to report relocation of devices to the network administrator.