ftp://mirrors.phenominet.com/pub/mirrors/centos/  direct

[DIR]4.5/  direct  570+ twin directories
[DIR]5.0/  direct  900+ twin directories
[DIR]3.9/  direct  210+ twin directories
[DIR]4.6/  direct  220+ twin directories
4 B  2008-05-294
[DIR]4.4/  direct  340+ twin directories
4 B  2008-05-285
[DIR]5.1/  direct  1000+ twin directories