internet_address_survey_reprobing_it28c-20090928 (09/28/2009 to 10/09/2009)
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To collect this data, a subset of Internet IP addresses was pinged once by sending ICMP ECHO_REQUEST (PING) packet. The response (if it ever came) was recorded in this data set. Probe was repeated every several minutes. In all, approximately 23 thousand /24 subnets were periodically reprobed.
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IMPACT创建时间：
2017-05-02
