Your IP address can be found by checking the webserver log files of the website you visit. Remember, every website access and stores your IP address but it is only possible by the admins or owners of the website.
People can use different services for the sake of who read their message and include code in transparent images. Once you will interact with the email message, the service will alert and provide the location (IP Address) information.
Don’t share your wifi password because if you do that then everyone using your Wifi can search “What is my IP address” on google and see it instantly.
Admins of gaming servers, different forums and blog websites see your real IP address that’s why they can easily block you.
If you will interact with any online ad (mostly on social media platforms) will reveal your IP address to the advertisers.
People can also use different tools like Grabify to create a link to any website and send it to you. By clicking on that particular link you will visit the real website, but it also allows the person who sent it to track your information including your IP address.
