Man pages matching name socket::getaddrinfo::emul in section 3pm:

Socket::GetAddrInfo::Emul.3pm.en	debian 10 / libsocket-getaddrinfo-perl
Socket::GetAddrInfo::Emul.3pm.en	debian 11 / libsocket-getaddrinfo-perl
Socket::GetAddrInfo::Emul.3pm.en	debian 12 / libsocket-getaddrinfo-perl