To collect this data, an Internet-wide IP address sweep was conducted. Every IP address in the ranges allocated by IANA was pinged once by sending ICMP ECHO_REQUEST (PING) packet. If the response (ICM
This dataset provides an indicator of public transport performance in Functional Urban Areas (FUAs). The indicator is defined as the ratio of accessibility, defined as the number of people reachable w
Organisation for Economic Co-operation and Development40
Data and codes for measuring accessibility at agent level in Rotterdam and the Hague for research Space–time prisms in multimodal supernetwork - Part 2: Application for analyses of accessibility and e
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
