/usr/share/perl5/Net/ is in libnet-frame-layer-icmpv6-perl 1.10-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Net/Frame/
/usr/share/perl5/Net/Frame/Layer/
/usr/share/perl5/Net/Frame/Layer/ICMPv6/
/usr/share/perl5/Net/Frame/Layer/ICMPv6.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/DestUnreach.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/Echo.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/NeighborAdvertisement.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/NeighborSolicitation.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/Option.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/ParameterProblem.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/RouterAdvertisement.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/RouterSolicitation.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/TimeExceed.pm
/usr/share/perl5/Net/Frame/Layer/ICMPv6/TooBig.pm