ftp://ftp.cvut.cz/mirrors/  direct

[DIR]ubuntu.com/  direct  9 twin directories
[DIR]security.debian.org/  direct  15 twin directories
[DIR]rip/  direct  598+ twin directories
[DIR]releases.ubuntu.com/  direct  18 twin directories
[DIR]php.net/  direct
[DIR]mozilla.org/  direct  33 twin directories
[DIR]kernel.org/  direct  62 twin directories
[DIR]debian.org/  direct  9 twin directories
[DIR]ctan.org/  direct  2 twin directories
[DIR]chiark.greenend.org.uk/  direct
[DIR]centos.org/  direct  13 twin directories