![]() So, It can be used by any organization that owns a registered autonomous system number (ASN) to create 256 global Multicast addresses that can be owned and used by the entity. IANA has reserved this range on an experimental basis.Network administrators are free to use Multicast addresses in this range however, they must configure their Multicast routers to ensure that Multicast traffic in this address range does not leave their Multicast domain boundaries.IANA has assigned the range to be used in private Multicast domains, much like the IP unicast ranges defined in RFC-1918, namely, 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.The purpose of these applications is to allow a host to select a source for the Multicast group. IANA has allocated this range for SSM applications and protocols.Routers forward packets with destination addresses used from this range. IANA assigns addresses from this range for the network protocols that are forwarded to the entire network. ![]() Routers do not forward packets with destination addresses used from this range. Addresses from this range are assigned for network protocols on a local segment.The Internet Assigned Numbers Authority ( IANA) has assigned several ranges of Multicast IP addresses for specific types: The concept of subnetting does not exist with Multicast! Because each address identifies an individual Multicast group address (not hierarchical). Therefore, the first 4 bits are always ( 1110xxxx). IPv4 Multicast addresses are identified by the value of the first octet.
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