You don’t. You request them from a RIR. Some charge yearly/allocation fee per-resource, but RIPE doesn’t. With RIPE you just pay the LIR fee, but IPv6 and ASN i

You don’t. You request them from a RIR. Some charge yearly/allocation fee per-resource, but RIPE doesn’t. With RIPE you just pay the LIR fee, but IPv6 and ASN itself comes with no fees whatsoever.