To the credit of the RIRs and their associated communities, the problem of IPv4 address depletion has led to some innovative policy proposals. Each of the three largest RIRs is considering proposals to permit market-based address transfers. In this third installment we conduct a systematic analysis of the proposals according to five key dimensions: 1) Trigger Date; 2) Territorial restrictions; 3) Eligibility restrictions/speculation controls; 4) Fees; and 5) Route Aggregation.   more »