/usr/share/perl5/ is in libwww-shorten-perl 3.093-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/WWW/
/usr/share/perl5/WWW/Shorten/
/usr/share/perl5/WWW/Shorten/LinkToolbot.pm
/usr/share/perl5/WWW/Shorten/Linkz.pm
/usr/share/perl5/WWW/Shorten/MakeAShorterLink.pm
/usr/share/perl5/WWW/Shorten/Metamark.pm
/usr/share/perl5/WWW/Shorten/Qurl.pm
/usr/share/perl5/WWW/Shorten/Qwer.pm
/usr/share/perl5/WWW/Shorten/TinyClick.pm
/usr/share/perl5/WWW/Shorten/TinyURL.pm
/usr/share/perl5/WWW/Shorten/Tinylink.pm
/usr/share/perl5/WWW/Shorten/UserAgent.pm
/usr/share/perl5/WWW/Shorten/_dead.pm
/usr/share/perl5/WWW/Shorten/generic.pm
/usr/share/perl5/WWW/Shorten.pm