iCloud signed in devices list won't load on any devices or webpage

I'm unable to load the trusted devices list on any device and in any network environment. Tried on:

• iPhone 15 Pro (iOS 17.5.1)
• iPad Pro (M1)
• iPad Pro (2018)
• iMac (2020)
• MacBook Pro (M3 Max)
• Apple ID webpage (Safari on Mac, and Chrome on Windows)

Also tried in:

• Home Wi-Fi
• T-mobile cellular
• Company VPN

All failed to load. The error messages are:

• Trusted devices list is not available
• Failed to load devices
• This action could not be completed because of an error. (500)