With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cpaeWebAuthHostAddrType
Cisco Port Access Entity Web Authentication Host Address Type
1.3.6.1.4.1.9.9.220.1.9.8.1.1
Indicates the Internet address type for the host.
Back to CISCO-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor cpaeWebAuthHostAddrType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.