With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoNtpPeerExtGroup
cisco Ntp Peer Ext Group
1.3.6.1.4.1.9.9.168.2.2.5
The extended set of NTP peer variable(s).
Back to CISCO-NTP-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoNtpPeerExtGroup 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.