hh3cMcsVUReportSourceAddress 1.3.6.1.4.1.25506.2.123.1.2.1.17

Source IP address of IGMP or MLD report packets. Its value is 255.255.255.255 or FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF when not configured.