Data Updates for Apple iCloud Private Relay

September 8, 2021
This release note is more than two years old and may no longer reflect current behavior. View the latest release notes.

We have updated our data in a number of ways in preparation for the rollout of iCloud Private Relay. We have worked with Apple to ensure that our data accurately reflects how Private Relay works and delivers the best possible user experience for your users.

  • Geolocation data across our products and services now incorporate the IP geolocation feeds published by Apple, which provides coarse city or region geolocation mappings for iCloud Private Relay IPs.
  • We identify iCloud Private Relay IPs in our ISP dataset (present in our GeoIP2 ISP and Enterprise databases, and in our GeoIP2 Insights web service) by tagging ranges as iCloud Private Relay.

Apple has shared the following assurances built into Private Relay:

  • Geolocation information for clients is validated by the relay servers using signed tokens, and visible to origins through the IP addresses selected by relay servers.
    • A user is not able to arbitrarily select their geolocation to evade geolocation controls.
  • Access to relay servers is rate-limited using device attestation to reduce fraud.
  • All traffic is secured using TLS 1.3.

To ensure your website and servers are ready for Private Relay, database customers should be sure to update to the latest MaxMind GeoIP2 databases.

In order to get ISP data that includes Private Relay IPs, update to the latest GeoIP2 ISP or Enterprise database. In order to get geolocation data for Private Relay IPs, update to the latest GeoIP2 City or Enterprise database.

GeoIP2 Insights customers do not need to take any action to receive this data. It will be returned in the /traits/isp and /traits/organization outputs.

For more information about Private Relay along with helpful technical information, visit Prepare Your Network or Web Server for Private Relay on Apple’s developer website.

We will continue to monitor these IPs and make any adjustments that are needed in the future.