With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdot11MbssidMacAddrSupportEntry
Cisco Dot11 Mbssid Mac Address Support Entry
1.3.6.1.4.1.9.9.413.1.1.4.1
Each entry is a MAC address assigned to the IEEE 802.11 radio available to be used as a BSSID and broadcasted in the radio beacon when MBSSID feature is enabled.
Back to CISCO-DOT11-SSID-SECURITY-MIB MIB page.
IPHost Network monitor allows you to monitor cdot11MbssidMacAddrSupportEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.