With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
alDhcpStatsSessSrvrIpAddr
ALTIGA Dhcp Statistics Session Srvr Ip Address
1.3.6.1.4.1.3076.2.1.2.20.2.1.10
The IP address of the server from which this lease was obtained.
Back to ALTIGA-DHCP-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor alDhcpStatsSessSrvrIpAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.