An arrangement of data storage cells are accessed in parallel for correlating a transport address pair with a respective local association. In one embodiment, each cell may contain a transport address pair and a local association ID. In another embodiment, multiple stages of partitioned content addressable arrays may be employed, with at least a portion of the transport address pair used to access the first stage and at least a portion of an output from a preceding stage used to select a corresponding array in a succeeding stage.