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
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
