IANA’s special-purpose address registries are the canonical reference. https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.x

IANA’s special-purpose address registries are the canonical reference. https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml https://www.iana.org/assignments/iana-ipv4-special-registry/... https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml https://www.iana.org/assignments/iana-ipv6-special-registry/...