Twin directories of indices:

[DIR]  ftp://128.31.0.36/debian-security/indices/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/indices/
[DIR]  ftp://ftp.eenet.ee/pub/cpan/.cpan/indices/
[DIR]  ftp://ftp.linux.it/debian/indices/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/indices/
[DIR]  ftp://ftp.eutelia.it/pub2/CPAN_Mirror/.cpan/indices/
[DIR]  ftp://ftp.eutelia.it/pub/Debian_Mirror/indices/
[DIR]  ftp://ftp.cesca.es/mirror/debian-security/indices/
[DIR]  ftp://ftp.cesca.es/mirror/debian/indices/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/indices/
[DIR]  ftp://ftp.saintjoe.edu/pub/CPAN/.cpan/indices/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian-security/indices/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/debian.org/debian/indices/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors3/backports.org/indices/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian/indices/
[DIR]  ftp://ftp.uni-magdeburg.de/pub/mirror/linux/debian-security/indices/
[DIR]  ftp://ftp.si.debian.org/debian/indices/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/indices/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/indices/
[DIR]  ftp://debian.lcs.mit.edu/debian-security/indices/
[DIR]  ftp://debian.lcs.mit.edu/debian/indices/
[DIR]  ftp://ftp.kfki.hu/pub/packages/perl/CPAN/indices/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/indices/
[DIR]  ftp://ftp.kfki.hu/pub/linux/debian/indices/
[DIR]  ftp://62.128.1.71/pub/CPAN/.cpan/indices/
[DIR]  ftp://62.128.1.71/pub/CPAN/indices/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/indices/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/Linux/Perl/CPAN/.cpan/indices/
[DIR]  ftp://ftp.skynet.be/mirror1/security.debian.org/indices/
[DIR]  ftp://ftp.skynet.be/mirror1/debian.org/indices/
[DIR]  ftp://ftp.skynet.be/mirror2/packman/ubuntu/indices/
[DIR]  ftp://ftp.skynet.be/mirror2/packman/debian/indices/
[DIR]  ftp://ftp.skynet.be/mirror1/backports.org/indices/
[DIR]  ftp://ftp.kreonet.re.kr/replay/debian/indices/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/indices/
[DIR]  ftp://ftp.kreonet.re.kr/languages/CPAN/.cpan/indices/
[DIR]  ftp://ftp.prz.rzeszow.pl/pub/debian/indices/
[DIR]  ftp://ftp.3logic.net/.1/debian-security/indices/
[DIR]  ftp://ftp.3logic.net/.1/backports.org/indices/
[DIR]  ftp://ftp.3logic.net/.1/debian/indices/
[DIR]  ftp://ftp.wustl.edu/pub/linux/distributions/debian/indices/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/indices/
[DIR]  ftp://ftp.nz.debian.org/backports/indices/
[DIR]  ftp://ftp.nz.debian.org/debian/indices/
[DIR]  ftp://ftp.nz.debian.org/debian-security/indices/
[DIR]  ftp://ftp.uni-stuttgart.de/pub/mirror/ftp.de.debian.org/debian/indices/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/ubuntu/indices/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/debian-mirror/debian-security/indices/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/debian-mirror/debian/indices/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/ubuntu/indices/