Number of prefixes per /8 block (Global)
----------------------------------------

   1:33309     2:39529     3:155       4:876       5:47574     6:767    
   8:19503    12:9917     13:3408     14:32556    15:2843     16:313    
  17:4227     18:34       20:3629     23:48292    24:52507    27:13731  
  31:3803     32:5242     33:92       34:497      35:342      36:8518   
  37:6191   
