With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csgUserTableEntry
Cisco Content Services Gateway User Table Entry
1.3.6.1.4.1.9.9.331.1.2.1.1
Entry that defines parameters for the User Table.
Back to CISCO-CSG-MIB MIB page.
IPHost Network monitor allows you to monitor csgUserTableEntry 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.