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Summary
DS-0748
internet_outage_it1w-20110928
Dataset
University of Southern California-Information Sciences Institute
University of Southern California-Information Sciences Institute
09/28/2011
09/29/2011
56 (lowest rank is 56)
Description
outages all analyzable IPv4 /24 blocks
To collect this data, a subset of Internet IP address blocks were 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, approximately 2.5 million /24 subnets were periodically reprobed. Outages are analyzed and reported on the responses.
Additional Details
111.6GB
false
false
southern, california, institute, sciences, outage, it1w, 20110928, 748, internet_outage_it1w-20110928, icmp, ping, address-collection, ip-address, sweep, no-ip-anonymization, university of southern california-information sciences institute, 2011, blocks, outages, analyzable, ipv4, minutes, subset, collect, time, status, interval, responses, response, probe, packet, pinged, periodically, repeated, space, echo, reprobed, reported, sending, subnets, analyzed, address space status data, request
ip-address sweep address-collection ping icmp no-IP-anonymization