With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentDhcpServerExcludedRangeIndex
agent Dhcp Server Excluded Range Index
1.3.6.1.4.1.4526.10.12.2.5.1.1
This specifies the index of the excluded IP address-range table.
Back to NETGEAR-DHCPSERVER-PRIVATE-MIB MIB page.
IPHost Network monitor allows you to monitor agentDhcpServerExcludedRangeIndex 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.