libsocket-multicast6-perl 0.04-5build1 (amd64 binary) in ubuntu noble

 Socket::Multicast6 is used to gain access to constants and utility functions
 used when manipulating multicast socket attributes.
 .
 For simple, object-oriented way of doing the same thing, take a look at
 IO::Socket::Multicast6 or IO::Socket::Multicast.