My point of view: RIR-s space is for routing on the Internet. Not for private use! So it MUST be routed on the Internet.
This is wrong. The Internet Protocol (IP) was not invented only to create the public Internet. It was created so that all networks, that want to interconnect with another network, have an internetworking protocol that does the job. The public Internet is the biggest internetwork but it is not the only one. Globally unique addresses are required so that a network can interconnect with other networks without renumbering. The RIRs are not there to serve the Internet. They are there to serve the users of IP technology which is a bigger group than just the Internet. It is OK for RIPE to provide services that are only needed on the Internet, but it is not nice if RIPE would stop providing services to IP users who are not connected to the Internet. In English, the word "private" has different meanings which cause confusion. In addition we use the word "network" to refer to both networks and internetworks which adds to the confusion. --Michael Dillon