IPv4 Marketplace vs Broker: What Buyers Get From Each Transaction Model
Lukas Brandt
October 13, 2026
Companies that buy IPv4 addresses can use a marketplace to browse available blocks or work through a broker that coordinates sourcing and transaction steps. Both models can lead to an RIR transfer, but they differ in how buyers find inventory, compare prices, negotiate terms, complete due diligence, arrange escrow, and manage transfer documentation.
IPv4 marketplace vs broker describes two transaction models for acquiring IPv4 address space. A marketplace gives buyers structured access to listed inventory and pricing, while a broker provides more direct coordination between buyer and seller. The relevant choice depends on sourcing needs, transaction complexity, privacy requirements, due diligence, and the amount of transfer support required.
What are the main marketplace broker differences?
The main marketplace broker differences concern how the buyer finds a block and how much of the transaction is managed individually.
A typical marketplace transaction model allows a registered buyer to:
- browse available prefixes;
- compare block sizes and asking prices;
- review available block information;
- select a fixed-price offer or participate in a bidding process;
- fund the purchase through the platform’s payment or escrow procedure;
- proceed with the applicable RIR transfer.
A marketplace may support fixed-price and auction transactions, with funds held in escrow until the addresses are transferred into the buyer’s RIR account.
A broker transaction model is usually more individually managed. The broker can source blocks that match the buyer’s requirements, communicate with counterparties, coordinate documentation, assist with negotiation, and guide the parties through the transfer.
How does the marketplace buyer workflow work?
The marketplace buyer workflow starts with available inventory. The buyer can compare listed ranges before committing to a transaction.
The process typically involves:
- registering or qualifying as a buyer;
- reviewing listed IPv4 blocks;
- conducting due diligence;
- accepting a fixed price or submitting a bid;
- placing funds into escrow;
- completing the RIR transfer;
- releasing payment after transfer confirmation.
The advantage of this structure is visibility. Buyers can compare several available blocks using consistent fields rather than requesting a separate quote for every opportunity.
However, marketplace availability is limited to blocks currently listed. A buyer that needs a specific RIR region, prefix size, history, or transaction structure may need additional sourcing assistance.
How does the broker buyer workflow differ?
A broker buyer workflow often starts with the buyer’s requirements rather than existing listings. The buyer specifies the prefix size, RIR, budget, timing, and any technical constraints. The broker then identifies potential counterparties and coordinates the transaction.
Broker involvement may include:
- seller and ownership verification;
- block sourcing;
- commercial negotiation;
- contract coordination;
- reputation and history checks;
- escrow setup;
- RIR documentation;
- communication during transfer review.
This model is useful when a transaction requires more coordination, confidentiality, or a block that is not readily available through public listings. Private brokered transactions may also use customized pricing and contract terms.
How should marketplace and broker services be compared?
The two models should be compared by process rather than by label.
| Transaction element | Marketplace model | Broker model |
|---|---|---|
| Block sourcing | Existing listed inventory | Targeted sourcing may be available |
| Price discovery | Visible asking prices or bids | Negotiated quote |
| Buyer workflow | More standardized | More individually coordinated |
| Due diligence | Buyer plus platform procedures | Broker can coordinate checks |
| Escrow | Platform-defined process | Transaction-specific arrangement |
| Transfer support | Standard workflow | More customized coordination |
| Privacy | Depends on marketplace rules | Private transactions may be available |
The exact services depend on the provider. A marketplace can include broker assistance, while a broker may operate its own marketplace. IPv4 Online combines marketplace listings with broker support for due diligence, escrow, LOAs, and RIR transfers.
How do the escrow models differ?
A marketplace escrow model generally follows predefined platform rules. The buyer funds escrow, the RIR transfer proceeds, and funds are released when the specified transfer milestone is confirmed.
A broker escrow model can follow the same basic sequence but may be adapted to the transaction agreement. The parties should confirm:
- who provides escrow;
- who pays the fee;
- when funds must be deposited;
- which event authorizes release;
- what happens if the transfer cannot be completed.
A common marketplace sequence is for the buyer to deposit the full purchase amount, the seller to initiate the RIR transfer, and the funds to be released after registry confirmation.
What does transfer support include?
A marketplace transfer support process may provide a standardized path from payment to registration. A broker transfer support model can involve more direct coordination when documentation or eligibility issues arise.
Buyers should check whether support includes:
- verification of the relevant RIR transfer path;
- seller and resource eligibility checks;
- preparation or coordination of transfer requests;
- responses to RIR questions;
- escrow milestone coordination;
- confirmation of registry completion.
RIR rules still control the actual transfer. IPv4 resources in the RIPE NCC service region are generally subject to a 24-month transfer restriction after receipt by the resource holder. A marketplace or broker can help identify such restrictions, but cannot override them.
What should buyers check before choosing either model?
The buyer should use the same due-diligence standard in both cases.
Check:
- the exact prefix and registered holder;
- RIR transfer eligibility;
- block history and reputation;
- total acquisition cost;
- escrow release conditions;
- scope of transfer support;
- responsibility for legal and technical checks.
The transaction model changes how these tasks are organized. It does not remove the need to verify the asset and transfer path.
How can buyers choose the appropriate transaction workflow?
Start with the transaction complexity rather than the label. If you already know the prefix and RIR, browse IPv4 Online inventory; if sourcing, due diligence, escrow, or transfer coordination is the harder part, use broker support for those stages.
The marketplace and broker paths can be used at different points of the same purchase. Compare visible supply first, then add transaction support only where the deal needs verification, negotiation, escrow, documentation, or RIR coordination.