ftp://ftp.ps.pl/dsk0/archive.redhat.com/redhat/linux/enterprise/4/en/os/  direct

[DIR]x86_64/  direct  65535+ twin directories
[DIR]s390x/  direct  4905+ twin directories
[DIR]ppc/  direct  21710+ twin directories
[DIR]ia64/  direct  32506+ twin directories
[DIR]i386/  direct  65535+ twin directories