1.2.840.113554.4.1.72585
iso(1) member-body(2) us(840) mit(113554) sipb(4) members(1) davidben(72585)

Assigned values:
1.2.840.113554.4.1.72585.0 - Test X.509 extension. All values are valid.
1.2.840.113554.4.1.72585.1 - Test PKCS#8 attribute. All values are valid.
1.2.840.113554.4.1.72585.2 - Reserved for testing unknown OIDs. Never used for anything.