With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnatAddrPortBindProtocol
cnat Address Port Bind Protocol
1.3.6.1.4.1.9.10.77.1.2.4.1.3
This object specifies a protocol identifier. If the value of this object is '0', then this BIND entry applies to all IP traffic. If the value of this object is non-zero, then this NAT entry only applies to IP traffic with the specified protocol.
Back to CISCO-IETF-NAT-MIB MIB page.
IPHost Network monitor allows you to monitor cnatAddrPortBindProtocol on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
