0 - 499		System events
500 - 510	Well-known SNMP traps
4000 - 4999	Predefined threshold violation events
5000 - 5999     ATM monitoring (generic events)
5500 - 5999     XFS subagent
8000 - 8999     Raden/IST
80000 - 80999   VEDAS
88000 - 88999   FIS/IST
89900 - 89999   AVS (ATM Video Surveillance) subsystem
90000 - 90999	Agilis monitoring subagent
91000 - 91099   Cortex monitoring subagent
100000 - ...	User-defined events
