Mapping network addresses in logs of network activity to corresponding host computers includes generating lists of known-dynamic addresses, static addresses and other-dynamic addresses from network addresses appearing in the logs. Each of the planetary gear sets includes first, second and third members. The insert includes a body portion having a multiplicity of outer wall sections, and at least one flow channel is formed between at least one inner wall section of the die housing and each opposite outer wall section of the body portion of the insert; fluid communicates between the external supply and each of the flow channels and the outlet passageway. The comparator compares the SM values, selects a path having the larger likelihood, and outputs to a register having a set and a reset. 25T from a starting point of the first reference clock relative to the recording mark, where T is a reference clock of the multipulse pattern.