Global summary
Routing Report 11 January, 2002
BGP routing table entries examined 107232
Prefixes after maximum aggregation 71370
Unique aggregates announced to Internet 52095
Total ASes present in the Internet Routing Table 12279
Origin-only ASes present in the Internet Routing Table 10671
Origin ASes announcing only one prefix 4614
Transit ASes present in the Internet Routing Table 1608
Transit-only ASes present in the Internet Routing Table 49
Average AS path length visible in the Internet Routing Table 5.3
Max AS path length visible 16
Illegal AS announcements present in the Routing Table 1
Non-routable prefixes present in the Routing Table 0
Prefixes being announced from the IANA Reserved Address blocks 15
Number of addresses announced to Internet 1160328160
Equivalent to 69 /8s, 41 /16s and 51 /24s
Percentage of available address space announced 31.3
Percentage of allocated address space announced 59.2
Percentage of available address space allocated 52.8
Total number of prefixes smaller than registry allocations 71690