ftp://ftp.mimuw.edu.pl/mirror/  direct

[DIR]ftp.redhat.com/  direct  23 twin directories
[DIR]ftp.research.bell-labs.com/  direct
[DIR]ftp.atmforum.com/  direct
[DIR]ftp.cs.chalmers.se/  direct
[DIR]ftp.cs.york.ac.uk/  direct
[DIR]ftp.gust.org.pl/  direct  2 twin directories
[DIR]ftp.inria.fr/  direct  9 twin directories
[DIR]ftp.openwall.com/  direct  3 twin directories
[DIR]ftp.rfc-editor.org/  direct  7 twin directories
[DIR]haskell.org/  direct
[DIR]sunsite.unc.edu/  direct  81 twin directories
[DIR]ftp.dcs.gla.ac.uk/  direct