It seems that Netflix attempts to users who try to access the contentaanbod in other countries a foot across. As should now various vpn services are blocked.
Although Netflix itself, nothing has been said about the blockade, it is likely that the content server will prevent users content to look where they are not entitled to have. The company would complaints have gotten out of the contentindustrie about unauthorized access. Netflix, for each country separately to get permission to content to its users may stream.
Yet it seems to be a test to go: Netflix could offer a range of opportunities for blockages want to try and focus not on all providers of vpn services. It is possible that the blockages in the foreseeable future be expanded.
Update 10:04 a.m.: Netflix has in a comment at Engadget indicated that the vpns are not different treats than before. So the reported blockages are caused, however, was not made clear.