With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnnEouHostValidateIpAddr
cnn Eou Host Validate Ip Addr
1.3.6.1.4.1.9.9.484.1.4.3
The Internet address for a detected host. The type of this address is determined by the value of the cnnEouHostValidateIpAddrType.
Back to CISCO-NAC-NAD-MIB MIB page.
IPHost Network monitor allows you to monitor cnnEouHostValidateIpAddr 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.