

Having been in this same position I think I can help, you are almost definitely being cgnat which means that you do not have your own ipv4. The two workarounds I used for this are to use only ipv6 which is public but means you can’t always access it from older networks. And the second solution is to wireguard tunnel to a free oracle VM and use it as a proxy.
As someone in a similar situation I’d recommend using a free tier oracle vps with a wireguard tunnel to connect to you services. Effectively just using the vps as a proxy for your own network. Here’s a guide that should work for your purposes https://github.com/mochman/Bypass_CGNAT