179
FBI Used Nintendo Switch To Locate Abducted Child
(kotaku.com)
This is a most excellent place for technology news and articles.
It’s written in the article…
Surprised Nintendo’s servers bothered to log the IP with how backwards they are in regards to anything online or storing user data.
Almost any server will have basic logging surrounding IP, especially considering it's one of the most useful bits of information to help identify malicious traffic, and can be used for a host of other things.