Analyzing the Evolution and the Future of the Internet Topology Focusing on Flow Hierarchy

Table 8

The average number of ASes in a module derived by the Infomap method.

Year	CL1	CL2	CL3
2000	18.34	10.33	4
2002	18.1	9.16	5.95
2004	20.31	10.56	7.66
2006	20.34	10.87	4.52
2008	21.26	10.74	4.83
2010	20.26	10.91	17.67
2012	21.1	10.67	6.03