PTA can't do anything. CG-NAT isn't illegal, nor is it some desi jugaar that only Pakistani ISPs do.We should all make a complaint to PTA regarding recent double nat switching.
All other companies including ptcl are on single nat.
Torrenting no upload at all.
It's something used across the world to combat the shortage of IPv4 addresses. Yes, it's very annoying to deal with, but that's how it is.
StormFiber is expanding rapidly, just like Nayatel and it was only a matter of time before they switched to CGNAT since they couldn't give everyone a real public IP.