I would expect such a service to ban hosting services on the "private" plan, or have strict conditions on what is considered acceptable use. However I see nothing of that sort in their contracts with the exception of this line in their Contractual Conditions. "3. Fair Use Policy The Internet subscriptions for private customers are intended for normal personal use. Init7 reserves the right to temporarily or permanentl…
I might be incredibly unlucky but I had two major multi day downtimes with Init7 (neither their fault).
If you depend on your internet as part of your business, make sure you have a plan for when it might fall out.
On that note, I'm hosting my own personal fileserver over that connection and the public IPv4 address has not changed once in the two years I've been using them so far ^^