ftp://ftp.nrc.ca/pub/systems/linux/debian.org/debian-archive/dists/potato/main/  direct

[DIR]upgrade-sparc/  direct  18 twin directories
[DIR]upgrade-m68k/  direct  18 twin directories
[DIR]upgrade-i386/  direct  47 twin directories
[DIR]upgrade-alpha/  direct  18 twin directories
[DIR]source/  direct  65535+ twin directories
[DIR]disks-sparc/  direct  74 twin directories
[DIR]disks-powerpc/  direct  58 twin directories
[DIR]disks-m68k/  direct  90 twin directories
[DIR]disks-i386/  direct  151 twin directories
[DIR]disks-arm/  direct  48 twin directories
[DIR]disks-alpha/  direct  76 twin directories
[DIR]binary-sparc/  direct  26205+ twin directories
[DIR]binary-powerpc/  direct  27147+ twin directories
[DIR]binary-m68k/  direct  5270+ twin directories
[DIR]binary-i386/  direct  62864+ twin directories
[DIR]binary-arm/  direct  9092+ twin directories
[DIR]binary-alpha/  direct  12600+ twin directories
[DIR]binary-all/  direct  1871+ twin directories