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No. > https://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml > > Does not list it. Please keep the "NOT AN OFFICIALLY REGISTERED ID" if > it is not. Let med quote  text from your link. Note This page has assignments under the control of the IEEE Registration Authority that are of primarily historic interest that and have traditionally been on the IANA web pages. For allocations under the IANA OUI [RFC9542 ], see the "Ethernet Numbers" IANA web page. Contact information for the IEEE Registration Authority is as follows:http://standards.ieee.org/develop/regauth Ethertypes: Registration Procedure(s) Not assigned by IANA. Per [RFC9542 ], updates to this registry are coordinated with the expert. Note The following list of Ethertypes is contributed unverified information from various sources. See the IEEE Registration Authority web pages at [http://standards.ieee.org/develop/regauth] for a public list of Ethertypes. Another list of Ethertypes is maintained by Michael A. Patton and is accessible at:http://www.cavebear.com/archive/cavebear/Ethernet/index.html > Andrew IEEE is the official source to use for ethertype number assignment. /Peter