Here's the article: https://developer.apple.com/support/prepare-your-network-for-icloud-private-relay https://developer.apple.com/support/prepare-your-network-

Here's the article: https://developer.apple.com/support/prepare-your-network-for-icloud-private-relay https://developer.apple.com/support/prepare-your-network-for... And their IPs, as mentioned in that article: https://mask-api.icloud.com/egress-ip-ranges.csv https://mask-api.icloud.com/egress-ip-ranges.csv Seems to be mostly Fastly IP addresses right now, but I'm sure that'll change over time.