With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
atmMatrixTopNTable
Cisco ATM Matrix Top N Table
1.3.6.1.4.1.9.10.16.1.4.5
A set of statistics for those matrix entries that have counted the highest number of cells, calls, or connection time.
Back to ATM-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor atmMatrixTopNTable 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.
