Unless you need all the traffic to go via the vpn you can configure most clients to allow certain traffic to bypass it.
Netflix is basically lazy they could easily buy accounts in all the large vpn service providers and obtain all the ip pools they use. They seem update their blocked list every couple months. So you might get a answer today but it will change tomorrow. It is not just netflix amazon has their lists also.
The method that tends to work the best is a private vpn server in a hosting center. They do block entire hosting centers....the ones that advertise pre build vpn in particular. The ones they can never block are going to be large ones from google or amazon but these are a little more costly.
If you hunt...