No. At most he could track down your ISP. Beyond that he is lost. Most consumer grade connections use dynamic IP addresses, that is they change from time to time, and some even use CGNAT - where an IP address as shared among multiple users.
Where to be concerned is any info that may lead them back to social media accounts, e.g. anything you might post among squadies. Once you get someones social media profile then things start to open up.
Also the references to the dark web shows the person is likely a moron.