IP range list for Vercel's Washington DC USA (East) - iad1 region

Hi guys, I have a database in MongoDB, and a deployed vercel application. I need to access the MongoDB database from my vercel application, but an IP address is required to allow access from a specific computer. In this case, the vercel server computer.

Unfortunately, whitelisting all IPs can’t be performed in my case due to compliance and legal issues with HIPAA. Also, establishing a secure network like VPV is beyond my capabilities and the same goes for creating an enterprise plan with vercel to ensure static IPs.

I understand that vercel has dynamic IPs which change overtime, but currently the region set for my serverless function is set to Washington DC USA (East) - iad1 which means there should be an IP range for that specific location if I’m not wrong.

But my only solution now, is to have the IP range list for where my vercel’s functions are being run from. Does anyone have any information on how I can acquire those please? If anyone has an alternative solution that would help a lot as well.

Best regards.

Due to the infrastructure of our Anycast network, it’s unfortunately not possible to provide you with IP addresses / ranges to allowlist within your application.

You may consider upgrading to our Enterprise Plan, where we offer Vercel Secure Compute and provide you with a pair of IP addresses to create private connections between your application and other services. You can contact Sales team to know pricing for Enterprise plan.

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Oh, okay, but I found this website with a list of IP ranges for various parts of the United States except Washington DC.
How is that possible? Vercel IP ranges list

This isn’t an official documents and we don’t guarantee any static IP ranges for our infrastructure. They are highly dynamic and rotate often as needed.

Ok but is there another possible solution? Enterprise subscription is beyond my abilities at the moment.