macadress

Guangdong Hongqin Telecom Technology Co. Ltd.

MA-M
MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix30:43:D7:E0:00:00 /28
Vendor address10 Keyuan Road, Songshan Lake Dongguan Guangdong CN 523808
Country🇨🇳  China
RegisteredJan 26, 2022
Block range30:43:D7:E0:00:00– 30:43:D7:EF:FF:FF
Address capacity1,048,576
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Ownership timeline

  1. Jan 26, 2022 – Jan 27, 2022 Guangdong Honqin Telecom Technology Co.,Ltd. name changed
  2. Jan 27, 2022 – Jan 28, 2022 Guangdong Hongqin Telecom Technology Co.，Ltd. name changed
  3. Jan 28, 2022 – present Guangdong Hongqin Telecom Technology Co. Ltd.

Example addresses in this block

30:43:D7:E0:00:00 30:43:D7:E7:FF:FF 30:43:D7:EF:FF:FF

Where this block sits

Previous 30:43:D7:D0:00:00 /28 Annapurna labs

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Guangdong Hongqin Telecom Technology Co. Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,125 of 33,421 organizations by block count.