vrIpMcastIgmpGcLastReporter 1.3.6.1.4.1.562.2.4.1.100.6.26.2.2.11.1.3

This attribute indicates the IP address of the source of the last membership report received for this IP Multicast group address on this interface. If no membership report has been received, this attribute has the value 0.0.0.0.