A method of distributing information regarding one or more electrical devices using a first server, each of the one or more electrical devices has respective unique identification information, a respective internal IP address, and a respective external IP address, the method comprising: receiving in the first server a first request to register a first electrical device of the one or more electrical devices, the first request to register comprises the respective unique identification information, the respective internal IP address, and the respective external IP address of the first electrical device of the one or more electrical devices, wherein the respective external IP address of the first electrical device of the one or more electrical devices is an IP address of a first gateway device for a local network comprising the first electrical device of the one or more electrical devices and the first gateway device; storing in the first server the respective unique identification information, the respective internal IP address, and the external IP address of the first electrical device of the one or more electrical devices; receiving in the first server from a first client computer (130, 131) a first request for first information regarding the first electrical device of the one or more electrical devices; using the first server to determine the respective external IP address of the first electrical device of the one or more electrical devices; redirecting the first request for the first information to the first gateway device to return the respective internal IP address of the first electrical device of the one or more electrical devices if an external IP address of the first client computer is identical to the respective external IP address of the first electrical device of the one or more electrical devices; and returning the respective external IP address of the first electrical device of the one or more electrical devices if the external IP address of the first client computer is different from the respective external IP address of the first electrical device of the one or more electrical devices. receiving in the first server a first request to register a first electrical device of the one or more electrical devices, the first request to register comprises the respective unique identification information, the respective internal IP address, and the respective external IP address of the first electrical device of the one or more electrical devices, wherein the respective external IP address of the first electrical device of the one or more electrical devices is an IP address of a first gateway device for a local network comprising the first electrical device of the one or more electrical devices and the first gateway device; storing in the first server the respective unique identification information, the respective internal IP address, and the external IP address of the first electrical device of the one or more electrical devices; receiving in the first server from a first client computer (130, 131) a first request for first information regarding the first electrical device of the one or more electrical devices; using the first server to determine the respective external IP address of the first electrical device of the one or more electrical devices; redirecting the first request for the first information to the first gateway device to return the respective internal IP address of the first electrical device of the one or more electrical devices if an external IP address of the first client computer is identical to the respective external IP address of the first electrical device of the one or more electrical devices; and returning the respective external IP address of the first electrical device of the one or more electrical devices if the external IP address of the first client computer is different from the respective external IP address of the first electrical device of the one or more electrical devices.