Twin directories of CentOS:

[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/5.1/os/i386/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/5.1/os/x86_64/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/ia64/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/s390/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/s390x/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/x86_64/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/alpha/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/Mirrors/centos/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/UTFSM/Linux/CentOS/4/i386/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/UTFSM/Linux/CentOS/4/x86_64/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/UTFSM/Linux/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/5.3/os/x86_64/CentOS/
[DIR]  ftp://ftp.tugraz.at/ftp.tu-graz.ac.at/.mirror-sites/eu-msync.centos.org/4.7/os/x86_64/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/4.7/os/i386/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/4.7/os/x86_64/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/5.2/os/i386/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/5.2/os/x86_64/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/4.6/os/x86_64/CentOS/
[DIR]  ftp://ftp.zresearch.com/pub/gluster/glusterfs/2.0/2.0.6/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.7/os/i386/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.7/os/ia64/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.7/os/x86_64/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/5.2/os/i386/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/5.2/os/x86_64/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.6/os/ia64/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/4.6/os/x86_64/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/2.1/final/i386/CentOS/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/2.1/i386/CentOS/
[DIR]  ftp://ftp.linux.cl/pub/centos/4.8/os/i386/CentOS/
[DIR]  ftp://ftp.linux.cl/pub/centos/4.8/os/x86_64/CentOS/
[DIR]  ftp://ftp.ema.fr/pub/mirrors/CentOS/CentOS/
[DIR]  ftp://ftp.itu.edu.tr/Mirror/CentOS/5.4/os/i386/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/5.2/os/i386/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/5.2/os/x86_64/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.6/os/x86_64/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.7/os/i386/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.7/os/x86_64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/5.3/os/x86_64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/5.4/os/x86_64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.7/os/i386/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.7/os/ia64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.7/os/s390/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.7/os/s390x/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.7/os/x86_64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/5.2/os/i386/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/5.2/os/x86_64/CentOS/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/4.6/os/x86_64/CentOS/