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The IPv4 market: buying your piece of the internet’s past

ip address

The internet has come a long way since its inception, and with its exponential growth, the demand for IP addresses has skyrocketed. The IPv4 protocol, which was introduced in the early days of the internet, has been the backbone of the digital world for decades. However, due to the exhaustion of available IPv4 addresses, a unique market has emerged where organizations and individuals can buy and sell these valuable digital assets. In this blog, we will delve into the world of buying IPv4 addresses, exploring the reasons behind this trend, how the market works, and the potential benefits and risks involved.

Understanding IPv4

Before we dive into buying IPv4 addresses, let’s first understand what IPv4 is. IPv4 (Internet Protocol version 4) is a set of rules used for identifying and locating devices on a network using a unique IP address. An IPv4 address consists of four sets of numbers, each ranging from 0 to 255 (e.g., Originally, IPv4 was designed with a 32-bit address space, allowing for approximately 4.3 billion unique IP addresses.

The IPv4 exhaustion problem

The explosive growth of the internet, the proliferation of connected devices, and the rise of IoT (Internet of Things) have led to a significant problem: the depletion of available IPv4 addresses. With more devices coming online every day, the remaining IPv4 addresses are in high demand, especially among organizations that require large blocks of IP addresses to support their operations.

IPv4 market emergence

To address the scarcity of IPv4 addresses, a secondary market has emerged where organizations can buy and sell these addresses. Companies with unused IP address space can monetize their assets by selling them to those in need. Conversely, organizations looking to expand their online presence or infrastructure can purchase IPv4 addresses to meet their requirements.

How the IPv4 market works

  • Brokerage services: Numerous brokers and marketplaces facilitate IPv4 address transactions. These intermediaries help match sellers with buyers, verify the legitimacy of address blocks, and oversee the transfer process.
  • Due diligence: Before engaging in any IPv4 address purchase, it’s essential to perform due diligence. Buyers must ensure that the addresses they are buying are not part of any blacklists, legal disputes, or fraud cases.
  • Legal and regulatory compliance: IPv4 address transfers often require compliance with regional internet registries’ (RIRs) policies and may involve legal contracts to ensure a smooth and secure transfer process.

Benefits of buying IPv4

  • Business continuity: Obtaining additional IPv4 addresses can help businesses maintain continuity in their operations, especially when transitioning to IPv6 is not immediately feasible.
  • Asset monetization: Organizations with surplus IPv4 addresses can generate revenue by selling unused blocks, turning an underutilized resource into a valuable asset.
  • Flexibility: IPv4 addresses can be used for various purposes, including expanding online services, improving network security, or supporting remote working environments.

Risks and considerations

  • Price fluctuations: IPv4 address prices can vary widely based on factors like region, size of the address block, and demand. It’s crucial to research and negotiate effectively to secure a fair deal.
  • Future IPv6 transition: IPv6 is the long-term solution to the address exhaustion problem. While IPv4 addresses are still necessary, organizations should also plan for the eventual transition to IPv6.
  • Regulatory compliance: Transferring IPv4 addresses may involve navigating complex regulatory and contractual obligations, so it’s important to be aware of these considerations.


As the world continues to rely on the internet for both personal and business purposes, the demand for IPv4 addresses remains high. Buying IPv4 addresses has become a viable solution for organizations seeking to expand their digital footprint and ensure business continuity. However, it’s essential to approach the IPv4 market with careful consideration, conducting thorough research, and adhering to legal and regulatory requirements. With the right approach you can buy IPv4 addresses and let it be a strategic investment in an increasingly connected world.

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