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										Summary
DS-0567
														internet_outage_adaptive_a18g-20141001
														Dataset
														University of Southern California-Information Sciences Institute
                                                        University of Southern California-Information Sciences Institute
                                                        10/01/2014
														12/31/2014
    														56 (lowest rank is 56)
                                                        Description
reachability of responsive of IPv4 /24s
To collect this data, all allocated and responsive Internet IP address blocks were pinged by sending ICMP ECHO_REQUEST (PING) packet. The block status was recorded in this data set. Probe was repeated every 11 minutes, and more quickly when uncertain about block status. In all, approximately 3.5M /24 subnets were periodically probed.
Additional Details
																497.3GB
															
														false
														false
														southern, california, sciences, institute, 20141001, internet_outage_adaptive_a18g-20141001, adaptive, outage, a18g, 567, icmp, ping, sweep, ip-address, no-ip-anonymization, address-collection, 2014, university of southern california-information sciences institute, responsive, 24s, ipv4, reachability, status, block, allocated, pinged, collect, echo, repeated, uncertain, request, probe, subnets, 5m, periodically, space, blocks, minutes, address space status data, packet, probed, sending
														ip-address sweep address-collection ping icmp no-IP-anonymization