Does cloud providers share the IP addresses and the alloted users to these big corps and defect the whole purpose of a privacy frontend? Are there any service (FOSS) that could randomise my servers IP?
Might be a noob question but I want to start self hosting.


This is an “x-y question” - what are you actually trying to achieve?
Clearly you are concerned about… someone… knowing your home IP address - who, and why?
The aim of private frontends are to limit the data being sent to their actual counterparts (eg Redlib for redddit or piped for y.t). This includes mapping usage patterns to respective IP addresses. If I am the sole user of a self hosted service, then cloud providers and big corps could easily do that.