google 'residential proxies for sale' if you really want to do this, the big content sources are getting pretty good at distinguishing between last mile ISP blocks of dhcp customers and IP blocks that are announced in a colocation/datacenter environment.

For most services that distinguish between residential and commercial IPs, your traffic is outbound so CGNAT shouldn't be much of a problem to route normally.

Netflix works with just the "global" range. Their business vs. residential classification accuracy is probably near perfect.