These two articles talk about how easy it is for people to get your information including location(by cell towers) about you with just your ip on your phone from certain wireless providers (ATT is one). The 2nd link is from the 1st article. I put it in case the tech crunch article gets removed since after all they are owned by Oath which is a subsidary of Verizon.
https://techcrunch.com/2017/10/15/mobil ... -who-pays/
https://medium.com/@philipn/want-to-see ... 0adb00d024
https://techcrunch.com/2017/10/15/mobil ... -who-pays/
https://medium.com/@philipn/want-to-see ... 0adb00d024