ITDK 2013-04 (04/06/2013 to 04/22/2013)

This ITDK derives from a subset of the Ark IPv4 Routed/24 Topology dataset from April 6 to April 22, 2013, using 66 Ark monitors in 32 countries. It includes router-level topologies, router-to-AS assignments, geographic location of each router, and DNS lookups of all observed IP addresses.