With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swMldSnoopingGroupInfoIpAddr
Switch Mld Snooping Group Info Ip Address
1.3.6.1.4.1.171.12.34.3.3.1.2
This object is identify group ip address which is captured from MLD packet, in per-Vlan basis.
Back to MLD-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor swMldSnoopingGroupInfoIpAddr on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link routers right now.