With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caqVpcParamsCesVcCount
Cisco ATM QoS Vpc Parameters Ces Vc Count
1.3.6.1.4.1.9.9.279.1.2.1.1.5
Number of CES VCs currently associated with the permanent virtual path.
Back to CISCO-ATM-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor caqVpcParamsCesVcCount 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.