Number,Hardware Type (hrd),Reference
0,Reserved,[RFC5494]
1,Ethernet (10Mb),[Jon_Postel]
2,Experimental Ethernet (3Mb),[Jon_Postel]
3,Amateur Radio AX.25,[Philip_Koch]
4,Proteon ProNET Token Ring,[Avri_Doria]
5,Chaos,[Gill_Pratt]
6,IEEE 802 Networks,[Jon_Postel]
7,ARCNET,[RFC1201]
8,Hyperchannel,[Jon_Postel]
9,Lanstar,[Tom_Unger]
10,Autonet Short Address,[Mike_Burrows]
11,LocalTalk,[Joyce_K_Reynolds]
12,LocalNet (IBM PCNet or SYTEK LocalNET),[Joseph Murdock]
13,Ultra link,[Rajiv_Dhingra]
14,SMDS,[George_Clapp]
15,Frame Relay,[Andy_Malis]
16,Asynchronous Transmission Mode (ATM),[[JXB2]]
17,HDLC,[Jon_Postel]
18,Fibre Channel,[RFC4338]
19,Asynchronous Transmission Mode (ATM),[RFC2225]
20,Serial Line,[Jon_Postel]
21,Asynchronous Transmission Mode (ATM),[Mike_Burrows]
22,MIL-STD-188-220,[Herb_Jensen]
23,Metricom,[Jonathan_Stone]
24,IEEE 1394.1995,[Myron_Hattig]
25,MAPOS,[Mitsuru_Maruyama][RFC2176]
26,Twinaxial,[Marion_Pitts]
27,EUI-64,[Kenji_Fujisawa]
28,HIPARP,[Jean_Michel_Pittet]
29,IP and ARP over ISO 7816-3,[Scott_Guthery]
30,ARPSec,[Jerome_Etienne]
31,IPsec tunnel,[RFC3456]
32,InfiniBand (TM),[RFC4391]
33,TIA-102 Project 25 Common Air Interface (CAI),"[Jeff Anderson, Telecommunications Industry of America (TIA)
TR-8.5 Formulating Group, <cja015&motorola.com>, June 2004]"
34,Wiegand Interface,[Scott_Guthery_2]
35,Pure IP,[Inaky_Perez-Gonzalez]
36,HW_EXP1,[RFC5494]
37,HFI,[Tseng-Hui_Lin]
38,Unified Bus (UB),[Wei_Pan]
39-255,Unassigned,
256,HW_EXP2,[RFC5494]
257,AEthernet,[Geoffroy_Gramaize]
258-65534,Unassigned,
65535,Reserved,[RFC5494]