said by Jan Doe:
I figured that most likely we are allready configured to receive 5 ips, and that it's just the router setting preventing us from doing so. And I was right.
Yes, you are right.
However, whoever does this would be using what they are not paying for.
Cyberonic is within their rights to either charge them or cut them off.
If you would have just kept your mouth shut, then you could have just "enjoyed" this yourself. Now, you risk bringing this to their attention.
I'm curious: What was your agenda in posting this?