With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
authUserProfileType
Authentication User Profile Type
1.3.6.1.4.1.2.6.119.7.2.1.2.1.4
The profile type. '80'H represents login. '40'H represents tunnel, and '20'H represents ppp, '10'H represents snmp. It is implementation choice to restrict to one type per entry (i.e., can't be combination of these types) or not support certain types of users.
Back to ibm-ibmauth MIB page.
IPHost Network monitor allows you to monitor authUserProfileType on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM computers right now.