What Does Multicast Address Mean?

A multicast address is a specific type of IP address labeling a network location that is used to multicast data packets within a network. It stands in contrast to other IP addresses that only allow for unicast models.

Techopedia Explains Multicast Address

Multicast Addresses and the OSI 7-layer Model

In the seven-layer OSI model that is used to micromanage device and network data traffic, multicast systems utilize specific layers. Ethernet connections can utilize layer 2 or the data link layer, where wireless router connections can utilize layer 3, which is known as the network or Internet layer.