[mgo]

OVH will nullroute you in about 3 seconds if you're affecting the stability of their network. I've been hit with a very large DDoS attack before, and our host nullrouted us because the attack was causing instability for our neighbors in the rack due to the switch being flooded with too much traffic.

[mintplant]

How long ago was this? From what I've read it seems this used to be the case, but they got their act together about it within the last couple of years. On their site they claim to offer DDoS protection bundled with their VPS offerings:

https://www.ovh.com/us/anti-ddos/