ciiCircLastUpTime 1.3.6.1.4.1.9.10.118.1.3.2.1.13

If the circuit is enabled, the value of sysUpTime when ciiCircAdminState most recently entered the state 'on'. If the circuit is not 'on', the value of sysUpTime when the circuit last entered state 'on', 0 if the circuit has never been 'on'.