internet_address_survey_reprobing_it37c-20101209 (12/09/2010 to 12/23/2010)
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To collect this data, a subset of Internet IP addresses was pinged by sending ICMP ECHO_REQUEST (PING) packet. The response (if it ever came within 11 minutes time interval) was recorded in this data set. Probe was repeated every 11 minutes. In all, 22373 netblocks (/24 subnets) were periodically reprobed.
创建时间：
2024-01-31
