With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cewProxyEntry
Cisco EnergyWise Proxy Entry
1.3.6.1.4.1.9.9.683.1.8.1
An entry describes the attributes, required to be configured on a Cisco EnergyWise entity to reach the Cisco EnergyWise proxy. An entry is created/deleted in cewProxyTable, whenever an Cisco EnergyWise entity is configured/unconfigured with above attributes.
Back to CISCO-ENERGYWISE-MIB MIB page.
IPHost Network monitor allows you to monitor cewProxyEntry 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.