Abstract: Memory devices and methods of operating memory devices in which refresh management operations can be scheduled on an as-needed basis for those memory portions where activity (e.g., activations in excess of a predetermined threshold) warrants a refresh management operation are disclosed. In one embodiment, an apparatus comprises a memory including a memory location, and circuitry configured to determine a count corresponding to a number of activations at the memory location, to schedule a refresh management operation for the memory location in response to the count exceeding a first predetermined threshold, and to decrease the count by an amount corresponding to the first predetermined threshold in response to executing the scheduled refresh management operation. The circuitry may be further configured to disallow, in response to determining that the count has reached a maximum permitted value, further activations at the memory location until after the count has been decreased.

Abstract: An Internet Protocol address manager creates data containers for managing Internet Protocol addresses. Each data container can store an address block of Internet Protocol addresses and includes a container policy for managing the address block. Additionally, the Internet Protocol address manager creates links between the data containers to organize the data containers into a container hierarchy. The Internet Protocol address manager can then allocate the address blocks or portions thereof among the data containers in the container hierarchy according to the container policies. Moreover, each data container can be associated with a network or subnet of a computer network. Further, the Internet Protocol address manager can assign an Internet Protocol address contained in the address block of a data container to a network host or host device in the network or subnet associated with the data container.

Abstract: An Internet Protocol address manager creates data containers for managing Internet Protocol addresses. Each data container can store one or more address blocks of Internet Protocol addresses and includes a container policy for managing the address blocks. Additionally, the Internet Protocol address manager creates links between the data containers to organize the data containers into a container hierarchy. The Internet Protocol address manager can then allocate the address blocks or portions thereof among the data containers in the container hierarchy according to the container policies. Moreover, each data container can be associated with a network or subnet of a computer network. Further, the Internet Protocol address manager can allocate or assign multiple Internet Protocol addresses of multiple Internet Protocol versions to subnets or hosts in the computer network.

Abstract: A system and method for proactively detecting cloning fraud in a cellular mobile telephone environment are discussed. Information is collected which corresponds to registration notifications of the cellular telephones as they operate within the cellular mobile telephone environment. The registration information is used to detect time-space peculiarities. Specifically, registrations having the same mobile identification number and occurring in different mobile switching centers within a predetermined time interval are identified. This time interval, based on a reasonable travel time between cells covered by the different mobile switching centers where the registrations originated, is used as a threshold for detecting cloning fraud.