ftp://130.239.18.137/mirror/debian-archive/dists/potato/non-free/  direct

[DIR]source/  direct  65535+ 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