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IPv4 Address Span This is the same data for a single AS. It is evident thjast the number of unstable /8 advertisements has dropped from 3 to 1 over this period. It is also apparent that the rate of growth in 2004 is slightly higher than that of 2000. When comparing this to the steeply rising number of routing advertisements in 2000 it is likely that the periods of growth in the routing table correspond to periods of dis-aggregation of address blocks. This implies that the large growth periods of the routing table may be closely linked to periods of growth in policy diversity within the ISP sector, coupled with denser levels of interconnectivity. |