ftp://ftp.uni-koeln.de/net/  direct

[DIR]slip/  direct  738+ twin directories
[DIR]sendmail/  direct  7793+ twin directories
[DIR]samba/  direct  11167+ twin directories
[DIR]performance/  direct  3522+ twin directories
[DIR]modem/  direct  689+ twin directories
[DIR]mbone/  direct  4643+ twin directories
[DIR]lantronix/  direct  4 twin directories
[DIR]jokes/  direct  53 twin directories
[DIR]iso/  direct  8959+ twin directories
[DIR]inet/  direct  3018+ twin directories
[DIR]hp-nodemgr/  direct  2 twin directories
[DIR]athena/  direct  262+ twin directories
[DIR]atalk/  direct  613+ twin directories