Twin directories of f:

[DIR]  ftp://ftp.netvision.net.il/home/f/
[DIR]  ftp://128.31.0.36/debian-security/pool/updates/main/f/
[DIR]  ftp://ftp.dit.upm.es/linux/ubuntu-6.06.1/ubuntu-6.06.1/pool/main/f/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/f/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/main/f/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/multiverse/f/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/restricted/f/
[DIR]  ftp://ftp.linux.it/debian/pool/main/f/
[DIR]  ftp://ftp.linux.it/debian/pool/non-free/f/
[DIR]  ftp://ftp.linux.it/debian/pool/contrib/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.1/slackware/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.1/source/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.2/source/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-current/slackware/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-current/source/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/slackware/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-11.0/source/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.0/slackware/f/
[DIR]  ftp://ftp.eutelia.it/pub/Slackware_Mirror/slackware-12.0/source/f/
[DIR]  ftp://ftp.cesca.es/mirror/debian-security/pool/updates/main/f/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/contrib/f/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/main/f/
[DIR]  ftp://ftp.cesca.es/mirror/debian/pool/non-free/f/
[DIR]  ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/slackware/f/
[DIR]  ftp://ftp.saintjoe.edu/pub/linux/slackware/slackware-current/source/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian-security/pool/updates/main/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/main/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/non-free/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/pool/contrib/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/pool/contrib/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/pool/main/f/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/pool/non-free/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/slackware/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/slackware/source/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/main/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/non-free/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-non-US/pool/non-US/contrib/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-non-US/pool/non-US/main/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-non-US/pool/non-US/non-free/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/pool/updates/main/f/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/pool/contrib/f/
[DIR]  ftp://ftp.42.org/pub/OLD/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/non-free/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/non-free/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/contrib/f/
[DIR]  ftp://debian.lcs.mit.edu/debian-security/pool/updates/main/f/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/contrib/f/
[DIR]  ftp://debian.lcs.mit.edu/debian/pool/main/f/