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IP Lease Regulations in ARIN: What You Need to Know

23.02.2023 ARIN explained the IP lease regulations. Here’s the summary.


The American Registry for Internet Numbers (ARIN) plays a crucial role in managing the allocation and distribution of IPv4 and IPv6 addresses in North America. To maintain transparency, fairness, and efficient resource utilization, ARIN has established clear policies regarding IP-leasing. In this article, we will delve into ARIN’s stance on IP leasing, addressing key points and implications for organizations involved in such arrangements.

1. Lease is not a Justification for Additional IP-addresses:

ARIN unequivocally states that IP-address space lease without providing Internet services cannot be used as justification when requesting IPv4 addresses from the Waiting List (4.1.8) or specified market transfers (8.3 and 8.4 recipients).

2. Consequences of False Justification:

Submitting inaccurate or misleading justifications when obtaining IPv4 addresses under the policies delineated in 4.1.8, 8.3, or 8.4 carries significant consequences. It can trigger a thorough examination of your organization under NRPM Section 12.2(b). If ARIN identifies a breach of policy, a spectrum of measures, as detailed in Section 12, could be implemented. This encompasses the potential of withdrawing or temporarily suspending the resources allocated to your organization.

3. Adherence to Policy Amid Changing Needs:

Organizations that have leased IP address space within policy parameters but experience changes in their requirements must follow specific guidelines. This involves ensuring that leased internet number resources are recorded in compliance with policies related to reallocations and reassignments, with particular attention to,, and If an organization originally obtained IPv4 addresses for a particular purpose but no longer requires them for that purpose, it must adhere to the relevant policies for reallocating or reassigning those addresses.

4. Suspected Violations and Consequences:

Organizations under suspicion for leasing IPv4 addresses without complying with ARIN policy may undergo a thorough assessment pursuant to NRPM Section 12.2(c). In the event of an organization being determined to have breached ARIN policies, a spectrum of responses, as delineated in Section 12, may be invoked. These responses encompass a spectrum from initial warnings and corrective measures to, in severe instances, the potential revocation of internet number resources allocated by ARIN.


In summary, ARIN takes IP-address space leasing seriously and has established strict policies to ensure fair and efficient resource allocation. Organizations involved in IP-address leasing must be aware of these regulations and adhere to them diligently. Failure to do so can lead to serious consequences, including the loss of allocated resources. It is essential for organizations to maintain transparency and compliance when dealing with IP-addresses leasing within the ARIN framework.

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