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										Summary
DS-0773
														internet_outage_adaptive_a28n-20170403
														Dataset
														University of Southern California-Information Sciences Institute
                                                        University of Southern California-Information Sciences Institute
                                                        04/03/2017
														07/02/2017
    														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
																666.0GB
															
														false
														false
														southern, california, sciences, institute, 20170403, outage, a28n, adaptive, internet_outage_adaptive_a28n-20170403, 773, icmp, ping, sweep, ip-address, address-collection, no-ip-anonymization, 2017, university of southern california-information sciences institute, responsive, 24s, reachability, ipv4, status, block, request, pinged, echo, collect, periodically, repeated, uncertain, probe, space, sending, allocated, 5m, subnets, blocks, minutes, address space status data, packet, probed
														ip-address sweep address-collection ping icmp no-IP-anonymization