ftp://ftp.estpak.ee/pub/  direct

[DIR]NetBSD/  direct  132 twin directories
[DIR]NetBSD-daily/  direct  14 twin directories
[DIR]OpenBSD/  direct  155 twin directories
[DIR]NetBSD-archive/  direct  5 twin directories
[DIR]archlinux/  direct  24 twin directories
[DIR]backports.org/  direct  16 twin directories
[DIR]debian-amd64/  direct  63 twin directories
[DIR]debian-cd/  direct  510+ twin directories
[DIR]debian-non-US/  direct  111 twin directories
[DIR]pkgsrc/  direct  121 twin directories
[DIR]ubuntu/  direct  250+ twin directories
[DIR]ubuntu-releases/  direct  36 twin directories