#4. IPv6 Multicast & Link-Local Ranges

A comprehensive catalog of IPv6 multicast groups and link-local addressing. Includes all major ff00::/8 scopes, all-nodes, all-routers, OSPFv3, RIPng, EIGRPv6, and the foundational link-local fe80::/10 prefix. This dataset is essential for routing engineers and architects building modern IPv6-enabled infrastructures.