It's been a while, but here is some relevant info.

The dependencies.html file from @prunge's will show you the beautiful report, but it won't contain any info about the actual repository, from which each of dependencies is taken from (at least now, in 2025).

This information could be found, as answered here, in your local repository right next to the downloaded artifact itself in a file named _remote.repositories with format like:

#NOTE: This is a Maven Resolver internal implementation file, its format can be changed without prior notice.
#DateTime
artifactId-version.pom>repository-name=