Update:
I wonder if this is because we’re behind Cloudflare (which in our case is working smoothly) and they have a limited number of IP addresses. So IP-banning could be problematic.No, that can’t be it - the oembed call would originate from the server’s original IP address, not from cloudflare.- I just realised a colleague used to work at Vimeo, so I’m trying the inroads now.
I’ll keep you posted.