Twin directories of bin:

[DIR]  ftp://ftp.bevillcntr.org/bin/
[DIR]  ftp://ftp.tm.informatik.uni-frankfurt.de/bin/
[DIR]  ftp://ftp.danlan.com/bin/
[DIR]  ftp://ftp.tva.gov/bin/
[DIR]  ftp://ftp.keele.ac.uk/usr/bin/
[DIR]  ftp://166.84.1.1/bin/
[DIR]  ftp://166.84.1.3/bin/
[DIR]  ftp://ftp.sds.lcs.mit.edu/pub/mail-archive/harp/bin/
[DIR]  ftp://ftp.sds.lcs.mit.edu/pub/otcl/bin/
[DIR]  ftp://ftp.sds.lcs.mit.edu/bin/
[DIR]  ftp://ftp.uni-leipzig.de/pub/linux/pub/comp/os/linux/680x0/bin/
[DIR]  ftp://spider.nrcde.ru/usr/bin/
[DIR]  ftp://ftp.shrubbery.net/usr/bin/
[DIR]  ftp://ftp.shrubbery.net/bin/
[DIR]  ftp://ftp.dol.ru/bin/
[DIR]  ftp://ftp.mainstreet.net/usr/bin/
[DIR]  ftp://ftp.vvm.com/ftp.drivershq.com/bin/
[DIR]  ftp://ftp.vvm.com/bin/
[DIR]  ftp://ftp.actwin.com/pub/aquaria/caltech/admin/bin/
[DIR]  ftp://ftp.gfz-potsdam.de/pub/home/kg/nisn/bin/
[DIR]  ftp://ftp.matronics.com/bin/
[DIR]  ftp://ftp.ski.org/bin/
[DIR]  ftp://ftp.squid-cache.org/bin/
[DIR]  ftp://ftp.measurement-factory.com/FreeBSD-3.4.TMF/ftp/bin/
[DIR]  ftp://ftp.measurement-factory.com/FreeBSD-4.3-TMF/ftp/bin/
[DIR]  ftp://ftp.measurement-factory.com/bin/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/RedHat/instimage/usr/X11R6/bin/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.redhat.com/pub/redhat/linux/6.2/en/os/sparc/RedHat/instimage/usr/bin/
[DIR]  ftp://ftp.mimuw.edu.pl/mirror/ftp.gust.org.pl/pub/TeX/GUST/distrib.4pc/bin/
[DIR]  ftp://ftp.seul.org/pub/worldforge/acorn/0.3/bin/
[DIR]  ftp://ftp.seul.org/bin/
[DIR]  ftp://ftp.kemsu.ru/incoming/sinnerKem/unix_video/etc/qmail/bin/
[DIR]  ftp://ftp.udel.edu/pub/people/eckman/bin/
[DIR]  ftp://82.96.64.7/pub/tools/crosstool/files/bin/
[DIR]  ftp://ftp.research.telcordia.com/usr/bin/
[DIR]  ftp://ftp.eur.nl/bin/
[DIR]  ftp://ftp.dit.upm.es/bin/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/distribution/bin/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/precompiled/solaris-2.3/bin/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO_3R6/precompiled/sun-4.1.3/bin/
[DIR]  ftp://ftp.dit.upm.es/lotos/tools/TOPO/precompiled/sun-4.1.3/bin/
[DIR]  ftp://ftp.csufresno.edu/bin/
[DIR]  ftp://ftp.nlm.nih.gov/bin/
[DIR]  ftp://ftp.ec-nantes.fr/bin/
[DIR]  ftp://ftp.mathematik.tu-darmstadt.de/bin/
[DIR]  ftp://ftp.qucis.queensu.ca/pub/software-eng/software/Cmetrics/metrics/src/bin/
[DIR]  ftp://ftp.qucis.queensu.ca/pub/software-eng/software/old/c-metr-pkg/src/bin/
[DIR]  ftp://ftp.qucis.queensu.ca/pub/txl/Archive/7.4/TXL7.4/bin/
[DIR]  ftp://ftp.qucis.queensu.ca/usr/bin/
[DIR]  ftp://ftp.csus.edu/pub/banyan/bin/