I did a little search and found this out
Thank you for your searching time. It is exactly the post I mentioned but I did not spend time to search it.
I'll probably release Satoshi's PMs and logged IPs addresses in ~8 years. This'd probably be of great historical interest.
2021 edit: I changed my mind: I am not going to release Satoshi's PMs in 2021. See my post
here.
It matches with theymos' approach for other forum members too. If you search, you will find it too.
(Though he always used Tor, as far as I can tell.)[/b]
Because Satoshi Nakamoto always used Tor, it does not make sense to know Tor IP address used by Satoshi Nakamoto.