Chatgpt is not loading on a specific network shows alpha

Dear all,

Currently we are struggling to make chatgpt work on our network. Before it always worked correctly and we were able to use chatgpt. Now we are encountering the issue when you login to chatgpt it shows alpha and no prompt are given back when you type something in, also it showing unable to load history. What i did so far is the following. I tried on an open network with the same public ip address with no firewall or vpn enabled to see if it worked but it keeps giving the alpha error. When i use a hotspot on the same computer or a vpn turned on chatgpt starts working and showing me version 3.5 when i turn my vpn off it turns back to alpha. Can it be that our public ip address has been flagged in our organisation? The public IP we have is