30:09:F9:A Shenzhen Tencent Computer System Co., Ltd.
Every MAC address from 30:09:F9:A0:00:00 to 30:09:F9:AF:FF:FF belongs to a block the IEEE assigned to Shenzhen Tencent Computer System Co., Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 30:09:F9:A belongs to
Written 30:09:F9:A, 30-09-F9-A or 3009F9A, depending on the system. Look up a full address.
Prefix
30:09:F9:A/28
Organization
Shenzhen Tencent Computer System Co., Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
30:09:F9:A0:00:00
Last address
30:09:F9:AF:FF:FF
Address type
Globally unique, unicast
Registered address
5-10 Building High-tech Zone, Nanshan District, Shenzhen Guangdong Province CN 518057
Parent block
Inside 30:09:F9
This MA-M block is carved from the 24-bit block 30:09:F9, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.