RPKI Relying Party (TAL)

Using RPKI Routing as a Relying Party

To act as a Resource Public Key Infrastructure (RPKI) relying party and retrieve data from ARIN’s RPKI database, entities should use an RPKI Validator and ARIN’s Trust Anchor Locator (TAL). The TAL contains both the location of ARIN’s repository and ARIN’s public key, which is used to cryptographically verify that ARIN has signed the artifacts within ARIN’s repository. RPKI validators can then verify the certificates and ROAs within the repository.

Relying Party Agreement (RPA)

ARIN’s RPA comprises a set of terms and restrictions applicable to any entity wishing to access and/or utilize ARIN’s TAL. In an effort to prevent improper distribution, tampering, or forging of data contained within ARIN’s TAL, all prospective relying parties must read and accept the RPA before gaining access to it.

Software Installation Tools

Software installation tools may download the ARIN TAL on behalf of a user after the user has confirmed their acceptance of the ARIN Relying Party Agreement on the ARIN website. This acceptance must require “agreement to the ARIN Relying Party Agreement” and obtain a non-ambiguous affirmative action by clicking on, or the entry of, a word of agreement (such as “yes” or “accept”).


Attention: This package requires the download of the ARIN TAL and agreement to the ARIN Relying Party Agreement (RPA).

Type “yes” to agree, and you can proceed with the ARIN TAL download: yes

Using the TAL

To use ARIN’s TAL, you’ll need to download a validation tool, then separately download ARIN’s TAL after accepting the RPA. See the following information for instructions.

  1. Download a validation tool, such as the RIPE NCC RPKI Validator. You can also use other validators such as those from:
  2. If using the RIPE NCC RPKI Validator, it contains the TALs from these individual IRRs: AFRINIC, APNIC, LACNIC, and RIPE NCC. It doesn’t include the ARIN TAL. Download the ARIN TAL (linked below; choose RIPE NCC RPKI Validator format).
  3. Transfer the TAL to your routing policy engine using one of the following methods:
    1. Direct transfer to the router using RTR protocol
    2. Transfer using custom scripts and the REST API
    3. Transfer as RPSL objects

ARIN recommends reading RFC 6810: The Resource Public Key Infrastructure (RPKI) to Router Protocol to learn more about transferring RPKI information to routers.


ARIN publishes all Certificates, Certificate Revocation Lists (CRLs), and RPKI-signed objects in its RPKI Repository. The ARIN Repository is available to anyone under the terms and conditions in the Relying Party Agreement.

ARIN’s Trust Anchor Locator (TAL) is used to retrieve and verify ARIN’s Resource Public Key Infrastructure (RPKI) Repository.

The ARIN TAL is available in three formats. By accessing ARIN Repository information or downloading the ARIN TAL (regardless of format), you agree to be bound by the Relying Party Agreement.

Please right click and save the format you would like.

Organizations that wish to distribute RPKI-related data for purposes not covered in the Relying Party Agreement, including but not limited to distribution for real-time routing purposes may be interested in execution of a Redistributor RPA with ARIN.

Interested organizations should review the Redistributor RPA and contact compliance@arin.net for further information regarding application and qualifications. ARIN will review all Redistributor RPA requests for suitability before entry into the Redistributor RPA with any party.

Registration Services Help Desk
7:00 AM to 7:00 PM ET
Phone: +1.703.227.0660
Fax: +1.703.997.8844

Tips for Calling the Help Desk