IPP Vendor Operation Codes

Opcode(s) Company Contact Description
0x4000 Microsoft Weihai Chen Used by Microsoft in Win 2000 (and presumably also in their Win 95 and 98 IPP clients)
0x4001-0x400F Apple Inc. Michael Sweet Used in the CUPS implementation of IPP. For details see https://www.cups.org/doc/spec-ipp.html
0x4010 Peerless Systems Imaging Products Kris Henderson  
0x4011-0x4019 Currently reserved.
0x401A-0x4025 Novell Ted Tronson  
0x4026 Xerox Peter Zehler  
0x4027-0x4028 Apple Inc. Michael Sweet Used in the CUPS implementation of IPP. For details see https://www.cups.org/doc/spec-ipp.html
0x4029-0x402A HP Kevin Sigl  

Reserving New Vendor Operation Codes

It is highly recommended that the functionality represented by the requested operation code be presented to the PWG for inclusion in an official specification before requesting the allocation of a proprietary operation code.

Send email to the IPP secretary to request one or more operation codes in the vendor space (0x4000 to 0xFFFF). The body of the email should contain the following information:

Contact Name:
Contact Email:
Company Name:
Number of Operation Codes -or- Specific Operation Code:
Description:
Specification Document URL (optional):
Specification Document (optional):