ntsystemSystemUpTime
ntsystem System Up Time
1.3.6.1.4.1.311.1.1.3.1.1.33.14
Total Time (in seconds) that the computer has been operational since it was last started.
Back to WINDOWS-NT-PERFORMANCE MIB page.
IPHost Network monitor uses SNMP for monitoring health and availability of devices and applications in your network. You can send a SNMP Set to any remote device to monitor a specific SNMP object (CPU, Memory, Disk, Server Temperature, RAID failures, IO statistics, connection counts, error and much more).