“…a macroscopic snapshot of the Internet for two weeks: 1-17 January 2008. ”
“in 2002.[there were]…926,201 IP addresses and 2,000,796 IP links…[In 2008] The graph reflects 4,853,991 observed IPv4 addresses and 5,682,419 IP links (immediately adjacent addresses in a traceroute-like path) of topology data gathered from 13 monitors probing 48,535,339 /24s spread across 235,286 (49.3% were reached) globally routable network prefixes”



