MIB: SNMPv2-MIB
The vendor's authoritative identification of the entity as part of the vendor's SMI enterprises subtree with the prefix 1.3.6.1.4.1 (e.g., a vendor with the identifier 1.3.6.1.4.1.4242 might assign a system object with the OID 1.3.6.1.4.1.4242.1.1).