does not know the original IP address of the user, the Relay IP addresses rotate over time and between sessions, helping to prevent their use as a stable id...

https://www.apple.com/jp/privacy/docs/iCloud_Private_Relay_Overview_Dec2021.PDF

/moxo/id1478594956 https://apps.apple.com/jp/app/yammer/id289559439 https://apps.apple.com/jp/app/yammer/id289559439 https://apps.apple.com/jp/app/messages/...

https://www.apple.com/jp/business/enterprise/docs/resources/Apps_in_Business_Getting_Started_Guide_JP.pdf

Pro Display XDR Technology Overview February 2020 
 Pro Display XDR Technology Overview February 2020 Contents Introduction 3 ................................

https://www.apple.com/jp/pro-display-xdr/pdf/Pro_Display_White_Paper_Feb_2020.pdf