With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
hpIgmpStatsActiveGroupAddr
hp Igmp Stats Active Group Address
1.3.6.1.4.1.11.2.14.11.5.1.9.10.1.1.2
An IP Multicast Group Membership address that has been sent, via IGMP Membership Reports, through the switch to querier.
Back to hpprocurve-v2-stat MIB page.
IPHost Network monitor allows you to monitor hpIgmpStatsActiveGroupAddr on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.