At Statistics for FTP FreeBSD mirrors Edwin Groothuis has made an overview of how good the FreeBSD FTP mirrors are. It’s tot a full overview (just for the ISO images directories) but it will give an indication of the quality of the mirroring.

For Australia, for instance, it shows that at this moment in time, or, is the only one who is nicely mirroring everything, the rest is running behind or doing partly mirroring.