With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciiISAdjIPAddrType
Cisco IS-IS IS Adj IP Address Type
1.3.6.1.4.1.9.10.118.1.6.3.1.2
The type of one IP Address as reported in IIH PDUs received from the neighbor.
Back to CISCO-IETF-ISIS-MIB MIB page.
IPHost Network monitor allows you to monitor ciiISAdjIPAddrType 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.