About sharing: this is not the case. As long as I don't miss something - do you have a reference for what you are describing?
Also content sharing does not include your IP. Except it is leaked in the content itself because of buggy or incomplete meta information stripping, but then it is public information anyway. Maybe you are mixing up public server IPs with your device IP? Also here, as long as I don't miss something - do you have references for what you say?