whos online count

By accident I used a domain name that had a cron to setup each minute and run a task, becouse of this I noticed I had 900 people on site.

The whos online says

Guest 01st June 2007 04:28:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:29:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:30:07 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:31:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:32:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:33:06 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:34:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:35:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:36:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:37:04 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:38:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:39:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:40:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:41:06 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:42:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:43:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:44:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:45:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:46:04 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:47:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:48:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:49:02 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:50:06 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:51:03 PM 202.89.43.6 /cron.php 0
Guest 01st June 2007 04:52:05 PM 202.89.43.6 /cron.php 0

Since these requests all come from the same IP.. Shouldn't they  be grouped as the same user?