Twin directories of el5:

[DIR]  ftp://ftp.uni-koeln.de/mirrors/dell/software/el5/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/dell/testing/incoming/el5/
[DIR]  ftp://ftp.uni-koeln.de/mirrors/dell/testing/el5/
[DIR]  ftp://ftp.msiu.ru/pub/mirrors/ftp.scientificlinux.org/linux/extra/dag/redhat/el5/
[DIR]  ftp://ftp.msiu.ru/pub/fedora/tigro/el5/
[DIR]  ftp://ftp.ps.pl/dsk0/dag.wieers.com/dag/redhat/el5/
[DIR]  ftp://ftp.ps.pl/dsk0/dag.wieers.com/dag/dries/redhat/el5/
[DIR]  ftp://ftp.upjs.sk/pub/mirrors/mhensler.de/yum/development/el5/
[DIR]  ftp://ftp.upjs.sk/pub/mirrors/mhensler.de/yum/el5/
[DIR]  ftp://ftp.int-evry.fr/mirror1/linux.dell.com/repo/software/el5/
[DIR]  ftp://ftp.int-evry.fr/mirror1/linux.dell.com/repo/testing/el5/
[DIR]  ftp://ftp.int-evry.fr/mirror1/apt.sw.be/redhat/el5/
[DIR]  ftp://ftp.int-evry.fr/mirror1/apt.sw.be/dries/redhat/el5/
[DIR]  ftp://ftp.relline.ru/pub/unix/dag/redhat/el5/
[DIR]  ftp://ftp.demon.nl/disk1/ftp.freshrpms.net/dag/redhat/el5/
[DIR]  ftp://ftp.demon.nl/disk1/ftp.freshrpms.net/dag/dries/redhat/el5/
[DIR]  ftp://ftp.demon.nl/disk1/ftp.freshrpms.net/dag/dries/redhat.risky/el5/
[DIR]  ftp://ftp.rtems.com/pub/rtems/linux/obsolete/4.10/redhat/el5/
[DIR]  ftp://ftp.rtems.com/pub/rtems/linux/obsolete/4.7/redhat/el5/
[DIR]  ftp://ftp.rtems.com/pub/rtems/linux/obsolete/4.8/redhat/el5/
[DIR]  ftp://ftp.rtems.com/pub/rtems/linux/obsolete/4.9/redhat/el5/
[DIR]  ftp://ftp.rtems.com/pub/rtems/linux/testing/4.8/redhat/el5/
[DIR]  ftp://77.88.19.68/fedora/tigro/el5/
[DIR]  ftp://77.88.19.68/fedora/dag/redhat/el5/
[DIR]  ftp://200.17.202.1/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.di.uminho.pt/pub/cran/bin/linux/redhat/el5/
[DIR]  ftp://200.17.202.16/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.udc.es/mirror/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/Virtuozzo/templates/eztemplates/redhat/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/SiteBuilder/4.1.0/vz/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/SiteBuilder/4.2.0/vz/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/SiteBuilder/4.2.3/vz/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/SiteBuilder/4.5.0/vz/el5/
[DIR]  ftp://ftp.de.netclusive.de/pub/parallels/SiteBuilder/4.0.0/vz/el5/
[DIR]  ftp://ftp.cs.uu.nl/mirror/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.cs.uu.nl/mirror/dag.wieers/redhat/el5/
[DIR]  ftp://ftp.scientificlinux.org/disk/disk4/linux/extra/dag/redhat/el5/
[DIR]  ftp://83.166.201.99/freshrpms/dag/redhat/el5/
[DIR]  ftp://83.166.201.99/freshrpms/dag/dries/redhat/el5/
[DIR]  ftp://ftp.rhrz.uni-bonn.de/pub-koeln/mirrors/dell/software/el5/
[DIR]  ftp://ftp.rhrz.uni-bonn.de/pub-koeln/mirrors/dell/testing/incoming/el5/
[DIR]  ftp://ftp.rhrz.uni-bonn.de/pub-koeln/mirrors/dell/testing/el5/
[DIR]  ftp://ftp.gac.edu/pub/linux/rpmforge/redhat/el5/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/dag/redhat/el5/
[DIR]  ftp://ftp.li.kernel.org/pub/.3/dag/dries/redhat/el5/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/cran.r-project.org/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.stat.math.ethz.ch/pub/Software/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.math.ethz.ch/sfs/pub/Software/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://200.17.202.17/CRAN/bin/linux/redhat/el5/
[DIR]  ftp://ftp.freshrpms.net/pub/dag/redhat/el5/