[...] But below that is the notice from the old copyright holder (USC) with a license that only allows 'non-commercial' use and is thusnon-free. See the complete text below. Now is this software DFSG-free ornot?
It seems fairly clearly not DFSG-free in the current form, but maybe RIPE have some permission to relicense the USC parts. It is probably worth seeking clarification.
-- MJR/slef My Opinion Only and possibly not of any group I know.