00:21:4D MAC Address Lookup

Search MAC Address Vendor Database by entering an OUI or a MAC Address

Devices with MAC Addresses prefix that start with 00:21:4D are manufactured by Guangzhou Skytone Transmission Tech Com. Ltd. Estimated Network devices using 00:21:4D OUI prefix are 16,777,216.

OUI: 00:21:4D
MAC Address Range: 00:21:4D:00:00:00 - 00:21:4D:FF:FF:FF
Vendor Name: Guangzhou Skytone Transmission Tech Com. Ltd
Is Private: FALSE
is Registered: TRUE
Vendor Location: 3/F West, Block 4, Huangzhou Guangzhou Guangdong 510660 CN

Block Size: 16,777,216
Assignment Type: MA-L
Country Code: CN
Country Name: China
Registration Date: 25 October 2008
Update Date: 27 September 2015

Guangzhou Skytone Transmission Tech Com. Ltd Related MAC Addresses Prefixes

MAC Prefix	Vendor Address	Ranage Size	Registration Date
00:21:4D	3/F West, Block 4, Huangzhou Guangzhou Guangdong 510660 CN	MA-L	2008-10-25