newRoot TRAP-TYPE in RFC 1286

Hi,

In this RFC 1286 newRoot trap is defined like this
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newRoot TRAP-TYPE 
ENTERPRISE dot1dBridge 
DESCRIPTION "The newRoot trap indicates that the sending agent has become the new root of the Spanning Tree; the trap is sent by a bridge soon after its election as the new root, e.g., upon expiration of the Topology Change Timer immediately subsequent to Decker, Langille, Rijsinghani & McCloghrie [Page 36]  RFC 1286 Bridge MIB December 1991 its election." 
::= 1 
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Question:
What is the OID of this TRAP ?

thks
amit