With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cssgCfgDefaultNetwork
cssg Cfg Default Network
1.3.6.1.4.1.9.9.260.1.1.15
The IP Address or subnet that users will be able to access without authentication. This is the address where the Cisco SSD/SESM resides.
Back to CISCO-SSG-MIB MIB page.
IPHost Network monitor allows you to monitor cssgCfgDefaultNetwork on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
