Bring leased IPs to a cloud provider such as AWS or Google Cloud

Hello everyone

I am looking to launch a service that provides high-speed residential proxies shortly. However, I thought I could use a cloud provider like Gcloud or AWS and lease IPV4 space from somewhere like this form. I am struggling to find literature on how I could take those IPs to one of those providers, or even another provider. Does anyone have any experience in that area?