HT~

Send an email with:
i) Username
ii) Realname
iii) IP Address
iv) Computer Name
v) Not sure.

I seem to recall that they send the telephone number and possibly the ISP password. Not sure about the MAC addy?

I guess it varies from country to country?

Over here it is a lot quicker for the police to track a phone number than an IP address. I can see it being rather more difficult if it is coming from shared student accommodation