netbuzz writes "The University of Southern California Information Sciences Institute says it's the first full census of the 'visible Internet' since David Smallberg canvassed a piddling 315 allocated addresses in 1982. They're talking about 3 billion pings directed toward 2.8 million addresses over the course of 62 days. Oh, and they credit the comic strip xkcd for sparking the idea of presenting the data using a Hilbert curve." The main page for the census project has links to versions of the census at various scales.
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