With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alAddressStatsGrpTotalPoolAddresses
Address Statistics Group Total Pool Addresses
1.3.6.1.4.1.3076.2.1.2.19.3.1.3
Total number of legal addresses defined in pool. This does not include Network and Broadcast addresses.
Back to ALTIGA-ADDRESS-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alAddressStatsGrpTotalPoolAddresses 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.