Is there any way to bypass CGNAT for host servers?

This question is a follow up an earlier question : Why is google showing me a different external IP address than router

So it is established that I am behind a CGNAT. My ISP is unlikely to allow me access to the CGNAT switch or open the ports on it. This is because when i was speaking to their rep. he said we cant make exceptions for a single customer. I hope I am understanding it right, that the ports need to be opened in CGNAT device that they have at the basement of our apartment building.

I was wondering what alternative do i have if port forwarding is not allowed by my ISP? For services like ftp, vpn servers?

Solution 1:

You have 2 alternative:

1. Ask your ISP for a static, routable IP address.
2. Rent a host/vpn on the internet, and use it's facilities, either locally on it, or forward the traffic through a tunnel.

I would look at renting a host.