With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cisIfLimitEntry
Cisco IGMP Snooping If Limit Entry
1.3.6.1.4.1.9.9.263.1.10.1.1
Entry containing IGMP Snooping limit filters. A limit filter can be applied on a Layer2 interface, and VLAN(s) carried by the interface when it is in trunk mode.
Back to CISCO-IGMP-SNOOPING-MIB MIB page.
IPHost Network monitor allows you to monitor cisIfLimitEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.