WIZnet is an official Mbed partner (click here)
We have become 7th official Arm® Mbed™ partnership in the world in 2015. There are now more than 20 partners.
If you want to see all the Arm® Mbed™ partnership list, then click here.
Arm® Mbed™ Ethernet Component List
Ethernet provides a wired network connection.
The below list is same with mbed.org site Ethernet Partner List.
(https://os.mbed.com/components/cat/ethernet/)
Most surprisingly, all the below Arm® Mbed™ official Ethernet platforms include the WIZnet hardwired TCP/IP chip inside. (W5500 or W5100)