Twin directories of indices:

[DIR]  ftp://ftp.uni-giessen.de/pub/linux/debian/indices/
[DIR]  ftp://ftp.ula.ve/linux/distribuciones/debian/indices/
[DIR]  ftp://ftp5.freebsd.org/pub/CPAN/indices/
[DIR]  ftp://ftp.tuke.sk/debian/indices/
[DIR]  ftp://ftp.ac-grenoble.fr/mirrors/linux/distributions/debian/debian/indices/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/ubuntu/ubuntu/indices/
[DIR]  ftp://ftp.tuke.sk/debian-backports/indices/
[DIR]  ftp://ftp.dei.uc.pt/pub/CPAN/indices/
[DIR]  ftp://ftp.lv.kernel.org/ubuntu/indices/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/.mounts/sdc1/archive.ubuntu.com/ubuntu/indices/
[DIR]  ftp://ftp.lv.kernel.org/debian/indices/
[DIR]  ftp://ftp.carnet.hr/misc/.ftp.hr.debian.org/debian/indices/
[DIR]  ftp://ftp.carnet.hr/misc/CPAN/indices/
[DIR]  ftp://ftp.med.univ-tours.fr/debian/indices/
[DIR]  ftp://ftp.cesnet.cz/.vol/archive.ubuntu.com/mirror/ubuntu/indices/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/debian/indices/
[DIR]  ftp://ftp.mgts.by/pub/CPAN/indices/
[DIR]  ftp://ftp.univ-savoie.fr/pub1/ftp.fr.debian.org/debian/indices/
[DIR]  ftp://ftp.mgts.by/pub/debian/indices/
[DIR]  ftp://ftp.sec.noaa.gov/pub/indices/
[DIR]  ftp://ftp.iavsc.org/pub/linux/distributions/Debian/indices/
[DIR]  ftp://ftp.zcu.cz/pub/linux/debian/indices/
[DIR]  ftp://ftp.nfsi.pt/pub/cpan/indices/
[DIR]  ftp://ftp.uni-augsburg.de/mirrors/debian/ftp.de.debian.org/debian/indices/
[DIR]  ftp://ftp.rz.uni-karlsruhe.de/pub/mirror/ftp.de.debian.org/debian/indices/
[DIR]  ftp://ftp.sci.usq.edu.au/pub/debian/debian/indices/
[DIR]  ftp://ftp.tu-ilmenau.de/Mirrors/ftp.de.debian.org/debian/indices/
[DIR]  ftp://ftp.fi.debian.org/pub/debian/indices/
[DIR]  ftp://91.189.88.31/ubuntu/indices/
[DIR]  ftp://64.50.236.52/.1/debian/debian/indices/
[DIR]  ftp://64.50.238.52/.1/debian/debian/indices/
[DIR]  ftp://ftp.ankara.edu.tr/debian/indices/
[DIR]  ftp://ftp.fr.debian.org/debian/indices/
[DIR]  ftp://194.65.100.43/pub/debian/indices/
[DIR]  ftp://194.65.100.43/ftp2/debian/indices/
[DIR]  ftp://64.50.236.52/.1/backports/indices/
[DIR]  ftp://64.50.238.52/.1/backports/indices/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.debian.org/indices/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/CPAN/indices/
[DIR]  ftp://ftp.cl.debian.org/debian/indices/
[DIR]  ftp://ftp.mars.org/debian/indices/
[DIR]  ftp://ftp.man.szczecin.pl/pub/Linux/debian/indices/
[DIR]  ftp://ftp.lf.net/pub/Mirrors/ftp.debian.org/debian/indices/
[DIR]  ftp://ftp.rfc822.org/pub/mirror/ftp.debian.org/debian/indices/
[DIR]  ftp://ftp.me.ru/pub/info/stats/indices/
[DIR]  ftp://64.50.236.52/.1/cpan/indices/
[DIR]  ftp://64.50.238.52/.1/cpan/indices/
[DIR]  ftp://ftp.net.usf.edu/pub3/ubuntu/indices/
[DIR]  ftp://ftp.vein.hu/pub/linux/distributions/ubuntu/indices/
[DIR]  ftp://64.50.236.52/.1/ubuntu/indices/