With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cIpLocalPoolAllocEntry
Cisco Ip Local Pool Alloc Entry
1.3.6.1.4.1.9.9.326.1.3.2.1
Each entry refers to conceptual row that associates an IP addresses with the interface where the request was received, and the user that requested the address.
Back to CISCO-IP-LOCAL-POOL-MIB MIB page.
IPHost Network monitor allows you to monitor cIpLocalPoolAllocEntry 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.