proxy.google.com - whats that?

i'm really confused

[LukasS]

Hi

One of my sites (polish gsm logos and ringtones) have been visited (2 times) with strange host:

2003-06-18 00:28:47 ¦ proxy.google.com (216.239.33.5)

What is this and it is bad?

[Brett_Tabke]

[google.com...]