With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cewProxyPort
Cisco EnergyWise Proxy Port
1.3.6.1.4.1.9.9.683.1.8.1.4
This object specifies the port used by the proxy.
Back to CISCO-ENERGYWISE-MIB MIB page.
IPHost Network monitor allows you to monitor cewProxyPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.