With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbRadiusStatsClientName
Cisco Session Border Radius Stats Client Name
1.3.6.1.4.1.9.9.757.1.1.1.2
This object indicates the client name of the RADIUS client to which that these statistics apply.
Back to CISCO-SESS-BORDER-CTRLR-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor csbRadiusStatsClientName on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.