Google referrer

When someone working for Google in California visits, the following information comes up in Sitemeter…

Domain Name google.com ? (Commercial)
IP Address 216.239.38.# (GOOGLE)
216.239.38.136
ISP GOOGLE
Location
Continent : North America
Country : United States (Facts)
State : California
City : Mountain View
Lat/Long : 37.1894, -121.7053 (Map)
Language unknown
Operating System Unknown Unknown
Browser Default
–
Javascript disabled
Time of Visit Nov 4 2005 1:26:20 am
Last Page View Nov 4 2005 1:26:20 am
Visit Length 0 seconds
Page Views 1
Referring URL unknown
Visit Entry Page
Visit Exit Page
Time Zone unknown
Visitor’s Time Unknown

It’s rare to see that the OS, browser and just about everything else is unknown. Curious.