One out of Two ISPs are blocked in our Area

I have a Service Provider in my area that if you are on their network cannot access our assets that are protected behind Cloudflare Proxy. Our employees either have one of the two providers in our area for home internet use.

Provider A - Everything is quick and works perfectly.

Provider B - Site does not load completely. Slow to respond. End Users receive 522 errors sometimes. Very erratic but non-functional.

I have verified the issue with Provider B at three different employee’s homes and my own home. Does anyone know what I can do in this situation?

Your best bet would be to work with Provider B and see why they are blocking Cloudflare.