ftp://ftp.netbsd.org/pub/NetBSD/packages/current-packages/NetBSD/alpha/  direct

[DIR]4.0_2008Q3/  direct  83 twin directories
10 B  2008-08-244.0  306+ mirrors
10 B  2008-08-243.1  117 mirrors
10 B  2008-01-283.0  79 mirrors
[DIR]4.0_2008Q4/  direct  132 twin directories
[DIR]3.1_2008Q3/  direct  57 twin directories
[DIR]3.1_2008Q4/  direct  66 twin directories