Quick Guide to Requesting Resources from ARIN

  1. Review Qualifying for Resources below to verify you qualify for the requested resources.

  2. Read the applicable policies in ARIN’s Number Resource Policy Manual (NRPM). The relevant NRPM section for each resource is listed below.

  3. Create a Point of Contact (POC) handle for each ARIN contact by sending the POC Template via e-mail to hostmaster@arin.net.

  4. Create an organization identifier (OrgID) by sending the Organization Template via e-mail to hostmaster@arin.net.

  5. Send one of the following templates via e-mail to hostmaster@arin.net:
If You Are . . .  … Use this Template
ISP requesting IPv4 addresses ISP Network Request
End-user requesting IPv4 addresses IPv4 End-user Network Request
ISP requesting IPv6 addresses IPv6 ISP Request
End-user requesting IPv6 addresses IPv6 End-user Request
Requesting an AS number AS Number Request
  1. An ARIN Resource Analyst will work with you via e-mail to verify you qualify for the requested resource.
  2. If you have questions or need assistance, contact the ARIN Registration Services Help Desk at +1.703.227.0660 or hostmaster@arin.net.
  3. If you need more detailed instructions, please see ARIN’s Registration Services Guidelines.

Qualifying for Resources Overview

This is an overview of the criteria that organizations need to meet to be eligible to receive specific types of resources directly from ARIN, as outlined in the Number Resource Policy Manual (NRPM). This document is intended to provide a quick-reference to eligibility requirements, and is not an authoritative document. The NRPM is the only document of record regarding Internet number resource policy at ARIN.

To submit a request for any Internet number resource from ARIN, the appropriate registration template must be completed.

Table of Contents

IPv4 Address Space

IPv6 Address Space

Other

IPv4 Address Space – Initial Allocation Template: ISP Network Request Template
Type of Resource Request Criteria to Receive Resource
Standard or not multi-homed
/20 minimum allocation
NRPM 4.2.2.1
  • have a /20 (or equivalent) reassigned to your organization by your upstream provider(s) via SWIP or RWhois
  • provide data to verify the /20 (or equivalent) is efficiently utilized
Multi-homed
/22 minimum allocation
NRPM 4.2.2.2
  • provide verification your organization intends to multi-home using the requested block
  • have the following amount of space (or equivalent) reassigned to your organization by your upstream provider(s) via SWIP or RWhois:
    • /23 (to receive a /22 initial allocation)
    • /22 (to receive a /21 initial allocation)
    • /21 (to receive a /20 initial allocation)
  • provide data to verify the provider-assigned addresses are efficiently used
  • agree to use half of the requested address block to renumber out of your current address space

Immediate Need
/20 minimum allocation(single-homed)
/22 minimum allocation
(multi-homed)
/16 maximum allocation


NRPM 4.2.1.6
Note: requests approved under this policy are exceptional
  • provide a comprehensive network topology
  • provide a comprehensive deployment schedule outlining the immediate use of the requested IP address block
  • provide copies of current signed customer contracts
  • provide copies of signed connectivity agreements
  • provide copies of paid invoices for the equipment that will support the immediate need
  • if  requesting a /22 or a /21, provide verification your organization intends to multi-home using the requested block
IPv4 Address Space – Additional Allocation Template: ISP Network Request Template
Type of Resource Request Criteria to Receive Resource
Standard
NRPM 4.2.4
  • demonstrate 80% of your last allocation is efficiently used
  • provide reassignment information for all customer reassignments of 8 or more contiguous IP addresses via SWIP or RWhois
Multiple Discrete Networks
NRPM 4.5
  • demonstrate your organization is a single entity and not a consortium of smaller independent entities
  • provide verification your organization has two or more discretely routed networks
  • provide detailed records on how you’ve allocated space to each discrete network, including the date of each allocation
  • demonstrate 50% utilization of both your last allocation and of all allocations (overall) OR demonstrate all free blocks are smaller than ARIN’s minimum allocation
Cable Address Space
NRPM 4.2.6
  • demonstrate at least 80% of your space is assigned to hardware
  • demonstrate at least 50% of your space is used by customers
  • demonstrate at least 80% of your last allocation is assigned to hardware
  • demonstrate at least 50% of your last allocation is used by customers
  • provide reassignment information for the addresses provisioned to each market area and for any customers with 8 or more contiguous IP addresses via SWIP or RWhois
IPv4 Address Space – End-user Initial Assignment Template: IPv4 End-user Network Request
Type of Resource Request Criteria to Receive Resource
Standard or not multi-homed
/20 minimum assignment
NRPM 4.3.2.1
  • provide data showing efficient utilization of all previous assignments
  • provide data demonstrating a 25% utilization rate of the requested block immediately upon assignment
  • provide data demonstrating a 50% utilization rate of the requested block within one year
Multi-homed
/22 minimum assignment
NRPM 4.3.2.2
  • provide data showing efficient utilization of all previous assignments
  • provide data demonstrating a 25% utilization rate of the requested block immediately upon assignment
  • provide data demonstrating a 50% utilization rate of the requested block within one year
  • provide verification your organization intends to multi-home using the requested block
IPv4 Address Space – End-user Additional Assignment Template: IPv4 End-user Network Request
Type of Resource Request Criteria to Receive Resource
Standard or not multi-homed
/20 minimum assignment
NRPM 4.3.2.1
  • provide data showing efficient utilization of 80% of all previous assignments
  • provide data demonstrating a 25% utilization rate of the requested block immediately upon assignment
  • provide data demonstrating a 50% utilization rate of the requested block within one year
Multi-homed
/22 minimum assignment
NRPM 4.3.2.2
  • provide data showing efficient utilization of 80% of all previous assignments
  • provide data demonstrating a 25% utilization rate of the requested block immediately upon assignment
  • provide data demonstrating a 50% utilization rate of the requested block within one year
  • provide verification your organization intends to multi-home using the requested block
IPv6 Address Space - Allocation Template: IPv6 ISP Request
Type of Resource Request Criteria to Receive Resource
ISP Initial Allocation
/32 minimum allocation
NRPM 6.5.1
  • be an ISP (also known as an LIR [Local Internet Registry] in IPv6 policy)
  • not be an end site
  • plan to provide IPv6 connectivity to organizations to which you will assign IPv6 address space, by advertising that connectivity through a single aggregated address allocation
  • be an existing, known ISP in the ARIN region or have a plan for making at least 200 end-site assignments to other organizations within five years.
  • if requesting a block larger than the minimum allocation (/32), provide justification
ISP Additional Allocation
NRPM 6.5.2
  • provide data indicating an HD ratio of 0.94 or greater (in /56 units) for your organization’s last allocation
  • if requesting a block larger than the minimum additional allocation (a block twice as large as the total amount of IPv6 address space currently issued to the organization), provide documentation justifying a need for the larger block within two years
IPv6 Address Space - Assignment Template: IPv6 End-user Request
Type of Resource Request Criteria to Receive Resource
End-user Initial Assignment
/48 minimum assignment
NRPM 6.5.8
  • not be an IPv6 ISP (also known as an LIR [Local Internet Registry] in IPv6 policy)
  • qualify for an IPv4 assignment or allocation from ARIN under the IPv4 policy currently in effect, or demonstrate efficient utilization of all direct IPv4 assignments and allocations, each of which must be covered by any current ARIN RSA
  • if requesting a block larger than the minimum assignment (/48), provide documentation justifying a need for additional subnets based on an HD-Ratio of .94
End-user Additional Assignment
NRPM 6.5.8.3
  • provide documentation justifying a need for additional subnets based on an HD-Ratio of .94
Autonomous System (AS) Number Template: AS Number Request
Type of Resource Request Criteria to Receive Resource
Multi-homed
NRPM 5
  • provide the exterior gateway protocol to be used
  • provide the IP addresses currently in use on your network
  • provide the AS number and name of each of your upstream providers/peers
  • provide verification (reassigned address block, a copy of your signed contract) your organization has contractually agreed to service with at least two of the upstream providers/peers listed on your template
  • if requesting an additional AS number, provide documentation detailing how the network for the requested ASN is autonomous from all existing ASes in your network
Unique Routing Policy
NRPM 5
  • demonstrate the AS’s routing policy will differ from the routing policies of its border peers
  • if requesting an additional AS number, provide documentation detailing how the network for the requested ASN is autonomous from all existing ASes in your network