30:3D:51:6 Amber-Link Network Technology Co.,Ltd.
Every MAC address from 30:3D:51:60:00:00 to 30:3D:51:6F:FF:FF belongs to a block the IEEE assigned to Amber-Link Network Technology Co.,Ltd.. Network cards, phones and other devices it makes carry addresses from here.
Assignment
Who 30:3D:51:6 belongs to
Written 30:3D:51:6, 30-3D-51-6 or 303D516, depending on the system. Look up a full address.
Prefix
30:3D:51:6/28
Organization
Amber-Link Network Technology Co.,Ltd.
Registry
MA-M (28 bits)
Addresses
1,048,576
First address
30:3D:51:60:00:00
Last address
30:3D:51:6F:FF:FF
Address type
Globally unique, unicast
Registered address
Bld. #1, St. 356, Rd. Guo Shoujing Shanghai CN China
Parent block
Inside 30:3D:51
This MA-M block is carved from the 24-bit block 30:3D:51, which the IEEE holds as IEEE Registration Authority and divides among smaller assignees.