Twin directories of CentOS:

[DIR]  ftp://ftp.cs.pu.edu.tw/Linux/CentOS/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/unix/linux/Mirror/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.sg.freebsd.org/d/b/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.hol.gr/pub/LinuxSection/distributions/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.ut.ee/pub/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://208.209.50.19/pub/linux/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.crc.dk/pub/mirrors/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.cs.pu.edu.tw/Linux/CentOS/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.cs.pu.edu.tw/Linux/CentOS/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.cs.cuhk.hk/pub5/CentOS/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/unix/linux/Mirror/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.uni-frankfurt.de/pub/unix/linux/Mirror/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.sg.freebsd.org/d/b/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.hol.gr/pub/LinuxSection/distributions/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.ut.ee/pub/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://208.209.50.19/pub/linux/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.monash.edu/pub/linux/disk3/CentOS/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.crc.dk/pub/mirrors/centos/4.5/os/x86_64/CentOS/
[DIR]  ftp://ftp.sg.freebsd.org/d/b/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.hol.gr/pub/LinuxSection/distributions/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.ut.ee/pub/centos/4.5/os/i386/CentOS/
[DIR]  ftp://208.209.50.19/pub/linux/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.monash.edu/pub/linux/disk3/CentOS/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.wicks.co.nz/pub/linux/dist/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.crc.dk/pub/mirrors/centos/4.5/os/i386/CentOS/
[DIR]  ftp://distro.ibiblio.org/pub/linux/distributions/smeserver/releases/obsolete/7.0/smeos/i386/CentOS/
[DIR]  ftp://ftp.comp.hkbu.edu.hk/.2/os/centos/5.1/os/x86_64/CentOS/
[DIR]  ftp://ftp.comp.hkbu.edu.hk/.2/os/centos/5.1/os/i386/CentOS/
[DIR]  ftp://ftp.mathematik.uni-marburg.de/pub/mirror/centos/5.1/os/i386/CentOS/
[DIR]  ftp://ftp.mathematik.uni-marburg.de/pub/mirror/centos/5.1/os/x86_64/CentOS/
[DIR]  ftp://ftp.lanprojekt.cz/pub/linux/centos/5.0/os/i386/CentOS/
[DIR]  ftp://ftp.lanprojekt.cz/pub/linux/centos/5.0/os/x86_64/CentOS/
[DIR]  ftp://ftp.dulug.duke.edu/centos/4.5/os/ia64/CentOS/
[DIR]  ftp://ftp.cpan.nl/pub/os/Linux/distr/centos/4.5/os/i386/CentOS/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/centos/4.6/os/x86_64/CentOS/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/centos/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/centos/5.1/os/x86_64/CentOS/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/centos/5.1/os/i386/CentOS/
[DIR]  ftp://ftp.franko.lviv.ua/pub/CentOS-5.1-x86_64/CentOS/
[DIR]  ftp://ftp.pku.edu.cn/pub/mirror-a/Linux/CentOS/
[DIR]  ftp://ftp.ai.kyutech.ac.jp/.disk2/CentOS/
[DIR]  ftp://ftp.ai.kyutech.ac.jp/iso/CentOS/
[DIR]  ftp://mirrors.ptd.net/CentOS/
[DIR]  ftp://ftp.univ-tlse1.fr/pub/CentOS/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/CentOS/
[DIR]  ftp://ftp.forthnet.gr/pub/CentOS/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/centos.org/4.6/os/alpha/CentOS/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/centos.org/4.6/os/i386/CentOS/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/centos.org/4.6/os/ia64/CentOS/