OVH's cheap dedicated servers, Kimsufi, only provides a single /126 IPv6 address, instead of the recommended /64 block :(.
I see it largely as an attempt to do market segmentation and limit the usefulness of Kimsufi to push people towards their other brands. Unfortunate, but...
It really is unfortunate. Not having to use a proxy for the sole purpose of sharing the 80 port would be nice...