ftp://ftp.netbsd.org/pub/NetBSD/packages/current-packages/NetBSD/sparc64/  direct

[DIR]3.1_2008Q2/  direct  50 twin directories
10 B  2008-09-174.0  306+ mirrors
10 B  2008-09-173.1  117 mirrors
[DIR]3.1_2008Q3/  direct  57 twin directories
[DIR]4.0_2008Q4/  direct  132 twin directories
[DIR]4.0_2008Q3/  direct  83 twin directories