Ethernet-based Microcontrollers

The following devices have on-chip Ethernet.

Actel (ARM7/ARM9/Cortex Family)
A2F200M3F, A2F500M3G
ASIX Electronics Corporation (8051 Family)
AX11001, AX11005, AX11015, AX11025
Atmel (ARM7/ARM9/Cortex Family)
AT91RM9200, AT91SAM7X128, AT91SAM7X256, AT91SAM7X512, AT91SAM7XC128, AT91SAM7XC256, AT91SAM9260, AT91SAM9263, AT91SAM9M10, AT91SAM9XE128, AT91SAM9XE256, AT91SAM9XE512, SAM9G20, SAM9G45
Dallas Semiconductor (8051 Family)
DS80C400, DS80C410, DS80C411
Freescale Semiconductor (ARM7/ARM9/Cortex Family)
MCIMX27, MCIMX27L
Nuvoton (ARM7/ARM9/Cortex Family)
NUC710, NUC740, NUC745
NXP (founded by Philips) (ARM7/ARM9/Cortex Family)
LH79524, LH79525, LPC1763, LPC1767, LPC1768, LPC2362, LPC2364, LPC2365, LPC2366, LPC2367, LPC2368, LPC2377, LPC2378, LPC2387, LPC2388, LPC2458, LPC2460, LPC2468, LPC2470, LPC2478, LPC3240, LPC3250
Socle Technology Corp. (ARM7/ARM9/Cortex Family)
PC7130, PC7230
STMicroelectronics (ARM7/ARM9/Cortex Family)
STM32F107RB, STM32F107RC, STM32F107VB, STM32F107VC, STR912FAW42, STR912FAW44, STR912FAW46, STR912FAW47, STR912FAZ42, STR912FAZ44, STR912FAZ46, STR912FAZ47, STR912FW42, STR912FW44
Texas Instruments (ARM7/ARM9/Cortex Family)
LM3S6100, LM3S6110, LM3S6420, LM3S6422, LM3S6432, LM3S6537, LM3S6610, LM3S6611, LM3S6618, LM3S6633, LM3S6637, LM3S6730, LM3S6753, LM3S6911, LM3S6918, LM3S6938, LM3S6950, LM3S6952, LM3S6965, LM3S8530, LM3S8538, LM3S8630, LM3S8730, LM3S8733, LM3S8738, LM3S8930, LM3S8933, LM3S8938, LM3S8962, LM3S8970, LM3S8971, LM3S9790, LM3S9792, LM3S9997, LM3S9B90, LM3S9B92, LM3S9B95, LM3S9B96, LM3S9L97

Devices Found = 105.