>>86706702So an IP by itself doesn't do much other than showing what city you're in and what ISP you're using
Theoretically, the most direct threat someone can go to your ISP and get your actual name and address from them if they give a good enough reason (e.g. subpoena from law enforcement) or the dudes at your ISP are idiots and fall for a social engineering attack.
However, someone can also directly carry out an attack on your machine using your IP - if you're running vulnerable software of some sort listening to the Internet, they can run malicious code on your PC, which is typically a keylogger that phones home or remote control software.
From there, they can probably poke around and see everything, most dangerously your saved passwords, then emails and pictures, which then allows them to pull further information about you out, because it's unlikely you have perfect opsec there.
For streamers it's worse because of the DDOS potential, so accidentally showing IP on the stream is enough to take a streamer down for a few days because some people think taking down their connection on stream makes them famous or something.
