ftp://ftp.internat.freebsd.org/pub/FreeBSD/old/  direct

[DIR]1.1.5.1-RELEASE/  direct  7 twin directories
[DIR]2.0.5-RELEASE/  direct  13 twin directories
[DIR]2.1.5-RELEASE/  direct  16 twin directories
[DIR]2.2.1-RELEASE/  direct  8 twin directories
[DIR]2.2.2-RELEASE/  direct  21 twin directories
[DIR]2.1.0-RELEASE/  direct  4 twin directories
[DIR]2.2.5-RELEASE/  direct  18 twin directories
[DIR]2.2.8-RELEASE/  direct  26 twin directories
[DIR]3.0-RELEASE/  direct  12 twin directories
[DIR]3.1-RELEASE/  direct  13 twin directories
[DIR]3.2-RELEASE/  direct  16 twin directories
[DIR]5.0-CURRENT/  direct  12 twin directories
[DIR]1.1-RELEASE/  direct  2 twin directories
[DIR]3-STABLE/  direct
[DIR]3.3-RELEASE/  direct  18 twin directories
[DIR]FAQ/  direct  1000+ twin directories
[DIR]1.1-to-1.1.5.1/  direct
[DIR]2.0-RELEASE/  direct  11 twin directories
[DIR]2.1-STABLE/  direct  2 twin directories
[DIR]2.1.7.1-RELEASE/  direct  13 twin directories
[DIR]2.2-STABLE/  direct
[DIR]2.2.6-RELEASE/  direct  19 twin directories
[DIR]2.2.7-RELEASE/  direct  15 twin directories
[DIR]3.4-RELEASE/  direct  28 twin directories
[DIR]4-STABLE/  direct  10 twin directories
[DIR]CTM/  direct  56 twin directories
[DIR]crypto-current-mirror/  direct