Hi Wilfried,
[ Anyone having statistics about the average length of an IPv4 prefix? Probably in the range of (20..)21..22(..23) ]
you can find this information in Philip Smiths "Weekly Routing Table Report": # routing-wg-admin@ripe.net wrote: # # This is an automated weekly mailing describing the state of the Internet # Routing Table as seen from APNIC's router in Japan. # Daily listings are sent to bgp-stats@lists.apnic.net # # If you have any comments please contact Philip Smith <pfs@cisco.com>. # # Routing Table Report 04:00 +10GMT Sat 19 Mar, 2005 # #<...> # # Number of prefixes announced per prefix length (Global) # ------------------------------------------------------- # # /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 # /7:0 /8:19 /9:3 /10:8 /11:14 /12:62 # /13:152 /14:305 /15:573 /16:8321 /17:2477 /18:4186 # /19:10131 /20:10825 /21:8727 /22:12051 /23:13167 /24:86110 # /25:264 /26:257 /27:110 /28:53 /29:26 /30:90 # /31:0 /32:44 Martin VM404-RIPE