With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciiRAAddrPrefix
Cisco IS-IS RA Address Prefix
1.3.6.1.4.1.9.10.118.1.7.1.1.4
The destination of this Reachable Address. This is an Address Prefix. This object follows the replaceOnlyWhileDisabled and ManualOrAutomatic behaviors.
Back to CISCO-IETF-ISIS-MIB MIB page.
IPHost Network monitor allows you to monitor ciiRAAddrPrefix on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.