/usr/share/php/ is in php-symfony-routing 2.7.10-0ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/Symfony/
/usr/share/php/Symfony/Component/
/usr/share/php/Symfony/Component/Routing/
/usr/share/php/Symfony/Component/Routing/RequestContext.php
/usr/share/php/Symfony/Component/Routing/Loader/
/usr/share/php/Symfony/Component/Routing/Loader/AnnotationFileLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/schema/
/usr/share/php/Symfony/Component/Routing/Loader/schema/routing/
/usr/share/php/Symfony/Component/Routing/Loader/schema/routing/routing-1.0.xsd
/usr/share/php/Symfony/Component/Routing/Loader/PhpFileLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/XmlFileLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/AnnotationClassLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/AnnotationDirectoryLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/YamlFileLoader.php
/usr/share/php/Symfony/Component/Routing/Loader/ClosureLoader.php
/usr/share/php/Symfony/Component/Routing/RouteCompilerInterface.php
/usr/share/php/Symfony/Component/Routing/Annotation/
/usr/share/php/Symfony/Component/Routing/Annotation/Route.php
/usr/share/php/Symfony/Component/Routing/CompiledRoute.php
/usr/share/php/Symfony/Component/Routing/Router.php
/usr/share/php/Symfony/Component/Routing/Matcher/
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/DumperCollection.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/DumperRoute.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/PhpMatcherDumper.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/MatcherDumper.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/DumperPrefixCollection.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/MatcherDumperInterface.php
/usr/share/php/Symfony/Component/Routing/Matcher/Dumper/ApacheMatcherDumper.php
/usr/share/php/Symfony/Component/Routing/Matcher/RedirectableUrlMatcherInterface.php
/usr/share/php/Symfony/Component/Routing/Matcher/UrlMatcherInterface.php
/usr/share/php/Symfony/Component/Routing/Matcher/RequestMatcherInterface.php
/usr/share/php/Symfony/Component/Routing/Matcher/RedirectableUrlMatcher.php
/usr/share/php/Symfony/Component/Routing/Matcher/ApacheUrlMatcher.php
/usr/share/php/Symfony/Component/Routing/Matcher/TraceableUrlMatcher.php
/usr/share/php/Symfony/Component/Routing/Matcher/UrlMatcher.php
/usr/share/php/Symfony/Component/Routing/Generator/
/usr/share/php/Symfony/Component/Routing/Generator/ConfigurableRequirementsInterface.php
/usr/share/php/Symfony/Component/Routing/Generator/Dumper/
/usr/share/php/Symfony/Component/Routing/Generator/Dumper/GeneratorDumper.php
/usr/share/php/Symfony/Component/Routing/Generator/Dumper/PhpGeneratorDumper.php
/usr/share/php/Symfony/Component/Routing/Generator/Dumper/GeneratorDumperInterface.php
/usr/share/php/Symfony/Component/Routing/Generator/UrlGenerator.php
/usr/share/php/Symfony/Component/Routing/Generator/UrlGeneratorInterface.php
/usr/share/php/Symfony/Component/Routing/RouterInterface.php
/usr/share/php/Symfony/Component/Routing/RouteCollection.php
/usr/share/php/Symfony/Component/Routing/autoload.php
/usr/share/php/Symfony/Component/Routing/Route.php
/usr/share/php/Symfony/Component/Routing/Exception/
/usr/share/php/Symfony/Component/Routing/Exception/ResourceNotFoundException.php
/usr/share/php/Symfony/Component/Routing/Exception/MethodNotAllowedException.php
/usr/share/php/Symfony/Component/Routing/Exception/ExceptionInterface.php
/usr/share/php/Symfony/Component/Routing/Exception/MissingMandatoryParametersException.php
/usr/share/php/Symfony/Component/Routing/Exception/InvalidParameterException.php
/usr/share/php/Symfony/Component/Routing/Exception/RouteNotFoundException.php
/usr/share/php/Symfony/Component/Routing/RouteCompiler.php
/usr/share/php/Symfony/Component/Routing/RequestContextAwareInterface.php