$ cat /etc/apt/sources.list deb http://cdn-aws.deb.debian.org/debian bookworm main deb http://cdn-aws.deb.debian.org/debian-security bookworm-security main deb http://cdn-aws.deb.debian.org/debian bookworm-updates main
I know from personal experience that Canonical choose to run mirrors for some clouds, on those clouds, for example.