With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpaeWebAuthHostAddress
Cisco Port Access Entity Web Authentication Host Address
1.3.6.1.4.1.9.9.220.1.9.8.1.2
Indicates the Internet address for the host. The type of this address is determined by the value of cpaeWebAuthHostAddrType.
Back to CISCO-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor cpaeWebAuthHostAddress 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.