With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnfTopFlowsMatchSrcAddressMask
cnf Top Flows Match Src Address Mask
1.3.6.1.4.1.9.9.387.1.7.11
The length of the match source address prefix. This prefix length must be consistent with the address type specified in cnfTopFlowsMatchSrcAddressType. A length of zero only matches the all-zero address of the specified type.
Back to CISCO-NETFLOW-MIB MIB page.
IPHost Network monitor allows you to monitor cnfTopFlowsMatchSrcAddressMask on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.