| Hexadecimal |
Description (Notes) |
| 0000-05DC |
IEEE 802.3 Length Field |
| 0101-01FF |
Experimental; for development (conflicts with 802.3 length fields) |
| 0200 |
Xerox PARC Universal Protocol (PUP) (conflicts with IEEE 802.3 length fields) |
| 0201 |
Xerox PUP Address Translation (conflicts with IEEE 802.3 length fields) |
| 0400 |
Nixdorf Computers (Germany) |
| 0600 |
Xerox XNS IDP |
| 0660-0661 |
DLOG (Germany) |
| 0800 |
DOD Internet Protocol (IP) *1 #2 |
| 0801 |
X.75 Internet |
| 0802 |
NBS Internet |
| 0803 |
ECMA Internet |
| 0804 |
CHAOSnet |
| 0805 |
X.25 Level 3 |
| 0806 |
Address Resolution Protocol (for IP and CHAOS) |
| 0807 |
XNS Compatibility |
| 081C |
Symbolics Private |
| 0888-088A |
Xyplex |
| 0900 |
Ungermann-Bass (UB) Network Debugger |
| 0A00 |
Xerox IEEE 802.3 PUP |
| 0A01 |
Xerox IEEE 802.3 PUP Address Translation |
| 0BAD |
Banyan VINES IP |
| 0BAE |
Banyan VINES Loopback |
| 0BAF |
Banyan VINES Echo |
| 1000 |
Berkeley trailer negotiation |
| 1001-100F |
Berkeley trailer encapsulation for IP |
| 1600 |
VALID system protocol |
| 4242 |
PCS Basic Block Protocol |
| 5208 |
BBN Simnet Private |
| 6000 |
DEC unassigned |
| 6001 |
DEC Maintenance Operation Protocol (MOP) Dump/Load Assistance |
| 6002 |
DEC MOP Remote Console |
| 6003 |
DEC DECnet Phase IV Route |
| 6004 |
DEC Local Area Transport (LAT) |
| 6005 |
DEC DECnet Diagnostics |
| 6006 |
DEC Customer Protocol |
| 6007 |
DEC Local-Area VAX Cluster (LAVC), SCA |
| 6008 |
DEC unassigned |
| 6009 |
DEC unassigned |
| 6010-6014 |
3Com Corporation |
| 7000 |
Ungermann-Bass (UB) Download |
| 7001 |
UB diagnostic/loopback |
| 7002 |
UB diagnostic/loopback |
| 7020-7029 |
LRT (England) |
| 7030 |
Proteon |
| 7034 |
Cabletron |
| 8003 |
Cronus VLN |
| 8004 |
Cronus Direct |
| 8005 |
HP Probe protocol |
| 8006 |
Nestar |
| 8008 |
AT&T |
| 8010 |
Excelan |
| 8013 |
Silicon Graphics diagnostic (obsolete) |
| 8014 |
Silicon Graphics network games (obsolete) |
| 8015 |
Silicon Graphics reserved type (obsolete) |
| 8016 |
Silicon Graphics XNS NameServer, bounce server (obsolete) |
| 8019 |
Apollo Computers |
| 802E |
Tymshare |
| 802F |
Tigan, Inc. |
| 8035 |
Reverse Address Resolution Protocol (RARP) (Stanford) |
| 8036 |
Aeonic Systems |
| 8038 |
DEC LANBridge Management |
| 8039-803C |
DEC unassigned |
| 803D |
DEC Ethernet CSMA/CD Encryption Protocol |
| 803E |
DEC unassigned |
| 803F |
DEC LAN Traffic Monitor Protocol |
| 8040-8042 |
DEC unassigned |
| 8044 |
Planning Research Corporation |
| 8046-8047 |
AT&T |
| 8049 |
ExperData (France) |
| 805B |
Versatile Message Translation Protocol RFC 1045 (Stanford) |
| 805C |
Stanford V Kernel, production |
| 805D |
Evans & Sutherland |
| 8060 |
Little Machines |
| 8062 |
Counterpoint Computers |
| 8065-8066 |
University of Massachusetts at Amherst |
| 8067 |
Veeco Integrated Automation |
| 8068 |
General Dynamics |
| 8069 |
AT&T |
| 806A |
Autophon (Switzerland) |
| 806C |
ComDesign |
| 806D |
Compugraphic Corporation |
| 806E-8077 |
Landmark Graphics Corporation |
| 807A |
Matra (France) |
| 807B |
Dansk Data Elektronik A/S |
| 807C |
University of Michigan |
| 807D-807F |
Vitalink Communications |
| 8080 |
Vitalink TransLAN III Management |
| 8081-8083 |
Counterpoint Computers |
| 809B |
Kinetics EtherTalk (AppleTalk over Ethernet) |
| 809C-809E |
Datability |
| 809F |
Spider Systems, Ltd. |
| 80A3 |
Nixdorf Computers (Germany) |
| 80A4-80B3 |
Siemens Gammasonics, Inc. |
| 80C0-80C3 |
Digital Communications Association (DCA), Inc. |
| 80C1 |
DCA Data Exchange Cluster |
| 80C4 |
Banyan VINES IP |
| 80C5 |
Banyan VINES Echo |
| 80C6 |
Pacer Software |
| 80C7 |
Applitek Corporation |
| 80C8-80CC |
Intergraph Corporation |
| 80CD-80CE |
Harris Corporation |
| 80CF-80D2 |
Taylor Instrument |
| 80D3-80D4 |
Rosemount Corporation |
| 80D5 |
IBM SNA Services over Ethernet |
| 80DD |
Varian Associates |
| 80DE |
Integrated Solutions Transparent Remote File System (TRFS) |
| 80DF |
Integrated Solutions |
| 80E0-80E3 |
Allen-Bradley |
| 80E4-80F0 |
Datability |
| 80F2 |
Retix |
| 80F3 |
Kinetics AppleTalk Address Resolution Protocol (AARP) |
| 80F4-80F5 |
Kinetics |
| 80F7 |
Apollo Computer |
| 80FF-8103 |
Wellfleet Communications |
| 8107-8109 |
Symbolics Private |
| 8130 |
Hayes Microcomputer Products, Ltd. (formerly Waterloo Microsystems, Inc.) |
| 8131 |
VG Laboratory Systems |
| 8132-8136 |
Bridge Communications, Inc. |
| 8137 |
Novell NetWare IPX (old) |
| 8137-8138 |
Novell, Inc. |
| 8139-813D |
KTI |
| 8148 |
Logicraft, Inc. |
| 8149 |
Network Computing Devices |
| 814A |
Alpha Micro |
| 814C |
SNMP |
| 814D-814E |
BIIN |
| 814F |
Technically Elite Concepts, Inc. |
| 8150 |
Rational Corporation |
| 8151-8153 |
Qualcomm, Inc. |
| 815C-815E |
Computer Protocol Pty, Ltd. |
| 8164-8166 |
Charles River Data Systems, Inc. |
| 817D-818C |
Protocol Engines, Inc. |
| 818D |
Motorola Computer X |
| 819A-81A3 |
Qualcomm, Inc. |
| 81A4 |
ARAI Bunkichi |
| 81A5-81AE |
RAD Network Devices |
| 81B7-81B9 |
Xyplex |
| 81CC-81D5 |
Apricot Computers |
| 81D6-81DD |
Artisoft, Inc. |
| 81DE-81E0 |
Hewlett Packard |
| 81E6-81EF |
Polygon, Inc. |
| 81F0-81F2 |
Comsat Laboratories |
| 81F3-81F5 |
Science Applications International Corporation (SAIC) |
| 81F6-81F8 |
VG Analytical, Ltd. |
| 8203-8205 |
Quantum Software Systems, Ltd. |
| 8221-8222 |
Ascom Banking Systems, Ltd. |
| 823E-8240 |
Advanced Encryption Systems, Inc. |
| 827F-8282 |
Athena Programming, Inc. |
| 8263-826A |
Charles River Data Systems |
| 829A-829B |
Institute for Industrial Information Technology, Ltd. |
| 829C-82AB |
Taurus Controls, Inc. |
| 82AC-838F |
Walker Richer & Quinn, Inc. |
| 8390 |
LANSoft, Inc. |
| 8391-8693 |
Walker Richer & Quinn, Inc. |
| 8694-869D |
Idea Courier |
| 869E-86A1 |
Computer Network Technology Corporation |
| 86A3-86AC |
Gateway Communications, Inc. |
| 86DB |
SECTRA - Secure Transmission AB |
| 86DE |
Delta Controls, Inc. |
| 86DF |
USC-ISI |
| 86E0-86EF |
Landis & Gyr Powers, Inc. |
| 8700-8710 |
Motorola, Inc. |
| 8711-8720 |
Cray Communications |
| 8725-8728 |
Phoenix Microsystems |
| 8739-873C |
Control Technology, Inc. |
| 8755-8759 |
LANSoft, Inc. |
| 875A-875C |
Norland |
| 875D-8766 |
University of Utah Dept./Computer Science |
| 8780-8785 |
Symbol Technologies, Inc. |
| 8A96-8A97 |
Invisible Software |
| 9000 |
Loopback (Configuration Test Protocol) |
| 9001 |
3Com (Bridge) XNS Systems Management |
| 9002 |
3Com (Bridge) TCP/IP Systems Management |
| 9003 |
3Com (Bridge) loop detect |
| FF00 |
BBN VITAL LANBridge cache wakeups |
| FF00-FF0F |
ISC-Bunker Ramo |
