/usr/share/ is in php-net-portscan 1.0.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/.registry/.channel.doc.php.net/
/usr/share/php/
/usr/share/php/.registry/
/usr/share/php/.registry/net_portscan.reg
/usr/share/php/Net/
/usr/share/php/Net/Portscan.php
/usr/share/php/doc/
/usr/share/php/doc/Net_Portscan/
/usr/share/php/doc/Net_Portscan/README.portscan
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/php-net-portscan
/usr/share/doc/
/usr/share/doc/php-net-portscan/
/usr/share/doc/php-net-portscan/README.portscan
/usr/share/doc/php-net-portscan/tests/
/usr/share/doc/php-net-portscan/tests/01-portscan.php
/usr/share/doc/php-net-portscan/copyright
/usr/share/doc/php-net-portscan/changelog.Debian.gz