Twin directories of contrib:

[DIR]  ftp://ftp.us.vim.org/pub/NetBSD/NetBSD-current/src/sys/contrib/
[DIR]  ftp://ftp.cs.rpi.edu/mirrors/tex-archive/obsolete/macros/latex209/contrib/
[DIR]  ftp://ftp.cyconet.org/pub/debian/dists/etch-backports/contrib/
[DIR]  ftp://ftp.informatik.uni-kiel.de/pub/text/tex/obsolete/macros/latex209/contrib/
[DIR]  ftp://ftp.uniroma2.it/{C/TeX/obsolete/macros/latex209/contrib/
[DIR]  ftp://ftp.muni.cz/pub/tex/CTAN/obsolete/macros/latex209/contrib/
[DIR]  ftp://ftp.informatik.uni-kiel.de/pub/packages/kde/stable/3.5.7/contrib/
[DIR]  ftp://ftp.noao.edu/iraf/contrib/
[DIR]  ftp://ftp5.jp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.jpix.ad.jp/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.ar.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.kaist.ac.kr/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/gnu/usr.bin/cvs/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/gnu/libexec/uucp/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/crypto/openssh-portable/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/crypto/openssh/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/sendmail/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/isc-dhcp/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/groff/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/gcc/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/cvs/contrib/
[DIR]  ftp://ftp.heitec.net/repo/src/contrib/binutils/contrib/
[DIR]  ftp://ftp6.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://155.232.137.108/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://208.209.50.19/pub/.vol02/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.informatik.rwth-aachen.de/pub/mirror/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.tw.freebsd.org/pub/branches/-current/src/contrib/
[DIR]  ftp://ftp.ncnu.edu.tw/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.cerias.purdue.edu/pub/os/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.lucky.net/pub/FreeBSD/development/FreeBSD-CVS/src/contrib/
[DIR]  ftp://ftp.coe.ufrj.br/j/FreeBSD/local/cvs/src/contrib/
[DIR]  ftp://ftp.gnome.org/mirror/gnome.org/binaries/win32/gtk+/2.10/contrib/
[DIR]  ftp://ftp.shellhung.org/pub/GNOME/binaries/win32/gtk+/2.10/contrib/
[DIR]  ftp://ftp.informatik.uni-kiel.de/pub/text/tex/web/noweb/contrib/
[DIR]  ftp://ftp.uniroma2.it/{C/TeX/web/noweb/contrib/
[DIR]  ftp://ftp.cs.pu.edu.tw/BSD/DragonFLYBSD/cvs/src/sys/contrib/
[DIR]  ftp://ftp.muni.cz/pub/tex/CTAN/web/noweb/contrib/
[DIR]  ftp://ftp.muni.cz/pub/tex/CTAN/web/funnelAC/contrib/
[DIR]  ftp://ftp.us.vim.org/pub/NetBSD/NetBSD-current/xsrc/contrib/
[DIR]  ftp://ftp.scientificlinux.org/disk/disk4/linux/fermi/slf5rolling/x86_64/contrib/
[DIR]  ftp://szmaragd.futuro.pl/pub/distributions/debian/dists/sarge-proposed-updates/contrib/
[DIR]  ftp://ftp.cs.pu.edu.tw/Linux/CentOS/4.5/contrib/
[DIR]  ftp://ftp.cs.cuhk.hk/pub5/CentOS/4.5/contrib/
[DIR]  ftp://ftp.udc.es/mirror/NetBSD/NetBSD-release-2-0/src/gnu/dist/groff/contrib/
[DIR]  ftp://ftp.udc.es/mirror/NetBSD/NetBSD-release-2-0/src/gnu/usr.bin/groff/contrib/
[DIR]  ftp://ftp.in2p3.fr/pub/linux/scientific/50/x86_64/contrib/
[DIR]  ftp://ftp.fh-niederrhein.de/pub/debian/dists/sarge-proposed-updates/contrib/
[DIR]  ftp://ftp.fh-brandenburg.de/pub/linux/debian/dists/sarge-proposed-updates/contrib/