OID value: 126.96.36.199
Obsolete? From the Proposed Draft Amendment (PDAM) on ISO/IEC 9594-8 (ITU-T Rec. X.509): "This field indicates a restriction imposed as to the purposes for which,and policies under which, the certified public key may be used."
URL for further info: http://mlarchive.ima.com/pem-dev/1995/0241.html
See also the OID Repository website reference for 188.8.131.52