/usr/share/ is in ruby-addressable 2.3.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ruby-addressable/
/usr/share/ruby-addressable/unicode.data
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/1.8/
/usr/share/rubygems-integration/1.8/specifications/
/usr/share/rubygems-integration/1.8/specifications/addressable-2.3.4.gemspec
/usr/share/rubygems-integration/1.9.1/
/usr/share/rubygems-integration/1.9.1/specifications/
/usr/share/rubygems-integration/1.9.1/specifications/addressable-2.3.4.gemspec
/usr/share/doc/
/usr/share/doc/ruby-addressable/
/usr/share/doc/ruby-addressable/README.md
/usr/share/doc/ruby-addressable/copyright
/usr/share/doc/ruby-addressable/changelog.Debian.gz