Source-Specific Protocol Independent Multicast in 232/8
IP Multicast group addresses in the 232/8 (232.0.0.0 to 232.255.255.255) range are designated as source-specific multicast [SSM] destination addresses and are reserved for use by source- specific applications and protocols [IANA]. This document defines operational recommendations to ensure source-specific behavior within the 232/8 range.