These addresses are not routed in the global routing table and should be translated to global addresses with network address translation (NAT): The following IP address ranges are reserved ( RFC 6890) for private addressing. The sender sends a single datagram from its unicast address to the multicast group address and the intermediary routers take care of making copies and sending them to all receivers that have joined the corresponding multicast group. In IPv4, addresses 224.0.0.0 through 239.255.255.255 are designated as multicast addresses. multicast - address associated with a group of interested receivers. For example, the destination address used for directed broadcast to devices on the 192.0.2.0/24 network is 192.0.2.255 In addition, a directed (limited) broadcast can be made by combining the network prefix with a host suffix composed entirely of binary 1s. In the IPv4 protocol, the address 255.255.255.255 is used for local broadcast.
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