Several Fortune 500 corporations and goverment sites were caught with their pants down but for the most part most system admins heard about it and properly patched their servers. The truth is anyone (working at the corporate level) who didn't patch their equipment for this deserves to have been caught and given an exit package.
Hour-by-hour infection data (from SANS Internet Storm Center - the Internet's early warning system) is posted at
http://www.digitalisland.net/codered/ [ August 01, 2001: Message edited by: Steve_M ]