shodan map

An interactive search engine that shows the location of every device directly connected to the Internet. Shodan is a search engine that lets users find specific types of computers (webcams, routers, servers, Internet of Things, etc.) connected to the Internet using a variety of filters.

Historical perspective: John Matherly, the founder of Shodan, calls himself an Internet cartographer and collected the data by sending ping requests to every IP address on the Internet and then storing the positive responses.
NetLingo Classification: Net Software