rwhois is required by some email spam filters such as Magic Spam / MIPSPACE.
Other service provider's such as AWS already offer this service.
Currently your position is...
Thanks for contacting us on this. At this time, we are not updating customer information for the IP space as they are dynamically allocated and all details are registered under ourselves. If this isn't what you are requesting, can you provide some clarification on what you are looking for as an end result? We would then be able to provide further guidance. We are looking forward to your clarification with us on this and if you have any more questions or concerns please don't hesitate to reply with them.