With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnnEouHostQueryTotalHosts
cnn Eou Host Query Total Hosts
1.3.6.1.4.1.9.9.484.1.4.7.1.10
Indicating the total number of the hosts matching the query criterion. -1 - Either the query has not been started or the agent is still processing this query instance. It is the default value when the row is instantiated. 0..2147483647 - The search has ended and this is the number of host matching the query criterion.
Back to CISCO-NAC-NAD-MIB MIB page.
IPHost Network monitor allows you to monitor cnnEouHostQueryTotalHosts 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.