When Satoshi Nakamoto created the P2P account in P2P Foundation and he created his email address: satoshin@gmx.com and satoshi@vistomail.com he did not create it magically. He has to use his personal Computer and his computer were connected to the Internet from an IP Address. There must me an way to find out his IP address.

The creation date of the email address can be found on the log of the email service providers. His identity is associated with his IP address. Did any researcher done any research to find Satoshi's IP Address ?