MAC Address Lookup
Find the vendor name of a device by entering an OUI or a MAC address
Guangzhou Skytone Transmission Technology Com. Ltd.
MAC address prefix 00:21:4D is registered to Guangzhou Skytone Transmission Technology Com. Ltd., located at 3/F WestBlock 4HuangzhouGuangzhou Guangdong 510660CN.
This registration is classified as MA-L (Mac Address Block Large) containing approximately 16 million MAC addresses
The prefix was initially registered on 25 October 2008, with the most recent update made on 17 November 2015.
OUI: 00:21:4D
Vendor name: Guangzhou Skytone Transmission Technology Com. Ltd.
Address:
Assignment Type MA-L 3/F West
Block 4
Huangzhou
Guangzhou Guangdong 510660
CN.
Mac Address Block Large (previously named OUI). Number of address 2^24 (~16 Million)
Last updated: 17 November 2015
Initial registration: 25 October 2008
