ftp://133.24.255.161/mirror3/NetBSD/packages/current-packages/NetBSD/alpha/  direct

[DIR]4.0_2008Q2/  direct  149 twin directories
[DIR]4.0_2008Q1/  direct  126 twin directories
[DIR]3.1_2008Q2/  direct  50 twin directories
[DIR]3.1_2008Q1/  direct  53 twin directories
[DIR]2.1_2007Q4/  direct  17 twin directories
[DIR]2.1_2007Q3/  direct  17 twin directories