/usr/lib/ruby/vendor_ruby/AWS/EC2/ is in ruby-amazon-ec2 0.9.17-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/AWS/EC2/availability_zones.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/console.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/devpay.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/elastic_ips.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/image_attributes.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/images.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/instances.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/keypairs.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/password.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/products.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/security_groups.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/snapshots.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/spot_instance_requests.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/spot_prices.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/subnets.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/tags.rb
/usr/lib/ruby/vendor_ruby/AWS/EC2/volumes.rb