Top 10 announcers, Nov 2001

   type              ASN                  #Anns  %ann  cum%  /15mi 
 1 ISP Can         852               777540     1.40     1.40        732 
 2 Dev Eu     12302               578932     1.05     2.45        681   
 3 Mil               6595               564201     1.02     3.47     1622   
 4 Bac                577                508675     0.92     4.39     1085 
 5 Dev Asia    4755                471458     0.85     5.24     1985   
 6 Bac                702                436282     0.79     6.02     2421   
 7 Dev SAm  20043                 412334     0.74     6.77      749    
 8 Gov ZA       2018                 370335     0.67     7.44      337 
 9 Gov             2572                 365096     0.66     8.10      592   
10 Bac            6453                  346551     0.63     8.72   2442   

top 2 announce 538 and 102 prefixes, resp. (backbones up to 2K)
announcements are spread across time, not just storms
reminder: only 1% of ASes announce >100 prefixes