With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ntpAuthenticationTable
ntp Authentication Table
1.3.6.1.4.1.9.5.1.15.11
This table lists a maximum of 10 Entries
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor ntpAuthenticationTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.