The difference between a provider-independent assignment and a sub-allocation from NovaNode's own space, who may announce each, and what happens to the addresses when you leave.
What the RIPE NCC asks for before it issues an autonomous system number, how the request runs through NovaNode as sponsoring LIR, and how renewal works.
Why you need a RIPE NCC member to hold an AS number or IPv6 space in your own name, what the sponsor is responsible for, what you are, and how to change sponsor.