Twin directories of isos:

[DIR]  ftp://ftp.ip.pt/pub/redhat/genome/isos/
[DIR]  ftp://ftp.ednet.ns.ca/centos/5.1/isos/
[DIR]  ftp://ftp.tu-darmstadt.de/pub/os/Linux/isos/
[DIR]  ftp://ftp.mathematik.uni-marburg.de/pub/mirror/centos/5.2/isos/
[DIR]  ftp://ftp.gac.edu/pub/linux/centos/5.1/isos/
[DIR]  ftp://ftp.cs.stanford.edu/pub/mirrors/centos/5.2/isos/
[DIR]  ftp://ftp.cs.uni-bonn.de/pub/mirror/centos/5.2/isos/
[DIR]  ftp://ftp.lt.freebsd.org/pub/linux/centos/5.2/isos/
[DIR]  ftp://ftp.nstu.ru/pub/linux/centos/5.2/isos/
[DIR]  ftp://ftp.di.uminho.pt/pub/centos/5.2/isos/
[DIR]  ftp://ftp.pslib.cz/pub/linux/centos.org/5.2/isos/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/centos.org/5.2/isos/
[DIR]  ftp://ftp.si.kernel.org/mirrors/CentOS/5.2/isos/
[DIR]  ftp://ftp.cica.es/mirrors/Linux/CentOS/5.2/isos/
[DIR]  ftp://ftp.li.kernel.org/pub/.1/centos/5.2/isos/
[DIR]  ftp://129.102.1.25/pub/CentOS/5.2/isos/
[DIR]  ftp://ftp.quicknet.nl/pub/Linux/www.centos.org/5.2/isos/
[DIR]  ftp://64.50.236.52/.1/centos/5.2/isos/
[DIR]  ftp://64.50.238.52/.1/centos/5.2/isos/
[DIR]  ftp://ftp.tu-chemnitz.de/.SAN0/pub/linux/centos/5.2/isos/
[DIR]  ftp://ftp.ai.kyutech.ac.jp/.disk2/CentOS/5.2/isos/
[DIR]  ftp://ftp.free.fr/.mirrors3/ftp.centos.org/5.2/isos/
[DIR]  ftp://mirrors.ptd.net/CentOS/5.2/isos/
[DIR]  ftp://ftp.tu-ilmenau.de/Mirrors/centos/5.2/isos/
[DIR]  ftp://193.226.140.51/centos/5.2/isos/
[DIR]  ftp://77.88.19.68/centos/5.2/isos/
[DIR]  ftp://83.166.201.99/centos/5.2/isos/
[DIR]  ftp://ftp.tudelft.nl/d1/Linux/centos.org/5.2/isos/
[DIR]  ftp://ftp.ps.pl/dsk0/ftp.centos.org/5.2/isos/
[DIR]  ftp://ftp.tugraz.at/ftp.tu-graz.ac.at/.mirror-sites/eu-msync.centos.org/5.2/isos/
[DIR]  ftp://ftp.iitm.ac.in/linux/centos/5.2/isos/
[DIR]  ftp://ftp.uni-oldenburg.de/linux/ftp.centos.org/5.2/isos/
[DIR]  ftp://ftp.cs.uu.nl/mirror/Linux/centos/5.2/isos/
[DIR]  ftp://ftp.hosteurope.de/mirror/centos.org/5.2/isos/
[DIR]  ftp://ftp.muug.mb.ca/mirror/centos/5.2/isos/
[DIR]  ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/5.2/isos/
[DIR]  ftp://mirror.cs.fiu.edu/mirrors/CentOS/5.2/isos/
[DIR]  ftp://ftp.cvut.cz/mirrors/centos.org/5.2/isos/
[DIR]  ftp://147.52.159.12/mirrors/linux/centos/5.2/isos/
[DIR]  ftp://128.118.2.96/pub/.mirrors/2/msync.centos.org/5.2/isos/
[DIR]  ftp://ftp.nfsi.pt/pub/CentOS/5.2/isos/
[DIR]  ftp://ftp.de.netclusive.de/pub/Linux/centos/5.2/isos/
[DIR]  ftp://ftp.inf.utfsm.cl/pub/Linux/centos/5.2/isos/
[DIR]  ftp://mirrors.hpcf.upr.edu/pub/Mirrors/CentOS/5.2/isos/
[DIR]  ftp://ftp.rdc.cl/pub/Unix/centos/5.2/isos/
[DIR]  ftp://ftp.agt.net/pub/centos/5.2/isos/
[DIR]  ftp://ftp.ip.pt/pub/centos/5.2/isos/
[DIR]  ftp://ftp.linux.cl/pub/centos/5.2/isos/
[DIR]  ftp://ftp.uvsq.fr/pub/centos/5.2/isos/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/CentOS/5.2/isos/