Appendix C. Reserved Multicast Addresses

The following is a list of the most recent reserved multicast addresses at the time this book was written. The list is taken directly from ftp://ftp.isi.edu/in-notes/iana/assignments/multicast-addresses. For the most recent list, consult that site.

Internet Multicast Addresses

Host Extensions for IP Multicasting [RFC 1112] specifies the extensions required of a host implementation of the Internet Protocol (IP) to support multicasting. The multicast addressess are in the range 224.0.0.0 through 239.255.255.255. Current addresses are listed in the following text.

The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and other low-level topology ...

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