A lot of people are reading "will" for "may" and getting quite worked up. A more charitable reading is that this document is a rather ham-fisted way of saying:

A lot of people are reading "will" for "may" and getting quite worked up. A more charitable reading is that this document is a rather ham-fisted way of saying: We've stated afore that your IP address is one of the pieces of "personal information" that we collect about you. If you ... do this ... then we will use that information to locate and notify the owner of the computers that you are using, or some point in the chain between those computers and us. Be aware that if the owner of the computers that you are using is your school, your employer, your organization, or your Internet service provider, they are likely who is going to be notified and your use of these computers for this purpose will be disclosed to them.