Alan,
AD>   This shows that there's roughly an inverse linear relationship (in a
AD> log-log plot) between # of IP addresses and volume.  e.g. 90% of the
AD> IP addresses account for 10% of the volume.
  It's always fun to see how consistently Zipf's Law applies.
d/
--
 Dave Crocker <mailto:dcrocker(_at_)brandenburg(_dot_)com>
 Brandenburg InternetWorking <http://www.brandenburg.com>
 Sunnyvale, CA  USA <tel:+1.408.246.8253>, <fax:+1.866.358.5301>