With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cDhcpv4SrvExtSystemObjects
Cisco IETF Dynamic Host Configuration protocol Srv Ext System Objects
1.3.6.1.4.1.9.10.122.2.2.1
A collection of objects providing overall system information for a DHCPv4 server.
Back to CISCO-IETF-DHCP-SERVER-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cDhcpv4SrvExtSystemObjects on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.