Internet Address History Datasets (09/13/2009)

These datasets contains all IPv4 addresses who ever responded to our ISI-west (w) censuses, starting from census it11w (internet_address_survey_it11w-20060307), e.g. it11w, it12w, ... Each IP address is given a history of replies (as a bit-string with 's representing ICMP_ECHO_REPLY received from this IP, and 's corresponding to no-replies. We also include numerical scores that are intended to reflect the likelihood that the given IP address will respond in the future. The most recent history dataset is all-inclusive in a sense that it includes information recorded in all previous history datasets.