http://linux.mirrors.es.net/centos/5.4/os/i386/
http://mirrors.cmich.edu/centos/5.4/os/i386/
http://mirrors.combinetworks.com/centos/5.4/os/i386/
http://mirror.icpl.org/centos/5.4/os/i386/
http://updates.interworx.info/centos/5.4/os/i386/
http://mirrors.gigenet.com/centos/5.4/os/i386/
http://mirrors.easynews.com//linux/centos/5.4/os/i386/
http://mirror.nuvio.com/pub/centos/5.4/os/i386/
ftp://repo.genomics.upenn.edu/centos/5.4/os/i386/
http://centos.aol.com/5.4/os/i386/