/usr/lib/ruby/ is in ruby-locale 2.1.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/locale/
/usr/lib/ruby/vendor_ruby/locale/driver/
/usr/lib/ruby/vendor_ruby/locale/driver/win32.rb
/usr/lib/ruby/vendor_ruby/locale/driver/win32_table.rb
/usr/lib/ruby/vendor_ruby/locale/driver/posix.rb
/usr/lib/ruby/vendor_ruby/locale/driver/cgi.rb
/usr/lib/ruby/vendor_ruby/locale/driver/env.rb
/usr/lib/ruby/vendor_ruby/locale/driver/jruby.rb
/usr/lib/ruby/vendor_ruby/locale/taglist.rb
/usr/lib/ruby/vendor_ruby/locale/version.rb
/usr/lib/ruby/vendor_ruby/locale/info.rb
/usr/lib/ruby/vendor_ruby/locale/middleware.rb
/usr/lib/ruby/vendor_ruby/locale/tag/
/usr/lib/ruby/vendor_ruby/locale/tag/cldr.rb
/usr/lib/ruby/vendor_ruby/locale/tag/simple.rb
/usr/lib/ruby/vendor_ruby/locale/tag/posix.rb
/usr/lib/ruby/vendor_ruby/locale/tag/common.rb
/usr/lib/ruby/vendor_ruby/locale/tag/rfc.rb
/usr/lib/ruby/vendor_ruby/locale/tag/irregular.rb
/usr/lib/ruby/vendor_ruby/locale/data/
/usr/lib/ruby/vendor_ruby/locale/data/languages.tab.gz
/usr/lib/ruby/vendor_ruby/locale/data/regions.tab.gz
/usr/lib/ruby/vendor_ruby/locale/driver.rb
/usr/lib/ruby/vendor_ruby/locale/tag.rb
/usr/lib/ruby/vendor_ruby/locale/info/
/usr/lib/ruby/vendor_ruby/locale/info/language.rb
/usr/lib/ruby/vendor_ruby/locale/info/region.rb
/usr/lib/ruby/vendor_ruby/locale.rb