With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentDhcpServerExpiredBindingsNos
agent Dhcp Server Expired Bindings Nos
1.3.6.1.4.1.4526.10.12.1.4
The no. of expired leases.
Back to NETGEAR-DHCPSERVER-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor agentDhcpServerExpiredBindingsNos on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR cable modems right now.