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Submitting a Transfer Pre-approval Request

ARIN offers transfer pre-approvals to organizations seeking IPv4 address space via a Transfer to Specified Recipients (NRPM 8.3) or Inter-RIR Transfers (NRPM 8.4) based on a 24-month projected need. Before requesting a transfer pre-approval, please review ARIN's policies to ensure that you qualify to receive IPv4 addresses. Refer to the ARIN Number Resource Policy Manual (NRPM) for full details.

Note: Transfer pre-approval requests will be reviewed based on the organization's projected 24-month need and will not be subject to re-verification for an 8.3 transfer or an 8.4 transfer submitted within 24 months of this approval.

To request transfer pre-approval:

  1. Log in to your ARIN Online account.
  2. Choose Your Account > Organization Identifiers from the navigation menu.
  3. Select the Org that you want to request transfer pre-approval for.
  4. In the Organization Record page, from the Actions menu, select Request Transfer Pre-Approval. Follow the directions in the subsequent windows, including justification information for your 24-month IP addressing needs for which you would like pre-approval. After you submit your information, a ticket is created for you.

Note: All transfer pre-approval requests require an ARIN Online account linked to either an Admin or Tech Point of Contact record (POC) with the authority to request resources for a valid Organization Identifier (Org ID).


We will verify receipt of your request upon successful submission. We will issue you a ticket number as soon as you successfully submit the request.

Review Process

We will respond to requests within two business days. We may request additional information; these requests will be sent to your ARIN Online Message Center. For each question and response cycle, we will respond within two days. If you do not reply within 90 days, the ticket will be closed. A request for additional information does not imply a request denial.

For questions about pending requests, send a reply to the ticket through ARIN Online, or call ARIN's Registration Services Help Desk at +1.703.227.0660. When you call, have your ticket number and any requested documentation available and have access to the ARIN website. For further follow-up, supply the name of the ARIN Resource Analyst who assisted you on your prior call. Click here for additional guidance on calling the Help Desk.

Request Approval

ARIN notifies the submitter of transfer pre-approval via the ticket through the submitter's ARIN Online account. The pre-approval is valid for two years.

If a request is rejected and you feel proper justifications were met, contact ARIN using Ask ARIN or via email at for further explanation.

Note: For organizations that are requesting a transfer pre-approval, ARIN will request that an officer of the company review and sign an officer attestation certifying the accuracy of the data submitted.

If you have any questions regarding officer attestation, notify Registration Services via your transfer pre-approval ticket, by using the Ask ARIN feature in your ARIN Online account, or by calling the Registration Services Help Desk at +1.703.227.0660.

What's Next?

Once a transfer is arranged, both the organization receiving IP addresses (Recipient) and the organization releasing the IP addresses (Source) will need to submit a Transfer to Specified Recipients (NRPM 8.3) request. Recipients of an Inter-RIR transfer (NRPM 8.4) will receive notification and instructions from ARIN regarding submission of their request. For full details, see ARIN's Transfer Resources page.

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IPv4 Transfers Flowchart Examples: Transfer Request Documentation

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