With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIpMRouteRtAddress
Cisco Ip Multicast Route Rt Address
1.3.6.1.4.1.9.10.117.1.1.2.1.14
The address portion of the route used to find the upstream or parent interface for this multicast forwarding entry.
Back to CISCO-IETF-IPMROUTE-MIB MIB page.
IPHost Network monitor allows you to monitor cIpMRouteRtAddress on Cisco 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.