ftp://ftp.cuhk.hk/pub/doc/ripe/  direct

[DIR]std/  direct  3932+ twin directories
[DIR]rfc/  direct  3672+ twin directories
[DIR]resource-guide/  direct  76 twin directories
[DIR]policies-procedures/  direct  2 twin directories
[DIR]isoc/  direct  28 twin directories
[DIR]internet-drafts/  direct  209+ twin directories
[DIR]infoguide/  direct  2 twin directories
[DIR]ietf/  direct  476+ twin directories
[DIR]iesg/  direct  35 twin directories
[DIR]fyi/  direct  193 twin directories
[DIR]dirofdirs/  direct  2 twin directories