Safety electronic technology(huizhou) 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.

PrefixEC:BA:34:20:00:00 /28

Vendor address7th Floor, Unit 1, Building C1-3, Qunyi intelligent Manufacturing industrial Park, South of Sanhe Avenue, Tonghu Tow, Zhongkai High tech Zone, Huizhou，Guangdong, China huizhou Guangdong CN 516039

Country🇨🇳 China

RegisteredAug 26, 2026

Block rangeEC:BA:34:20:00:00– EC:BA:34:2F: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 →

Example addresses in this block

EC:BA:34:20:00:00 EC:BA:34:27:FF:FF EC:BA:34:2F:FF:FF

Where this block sits

Previous EC:BA:34:10:00:00 /28 Heizomat Gerätebau GmbH Next EC:BA:34:30:00:00 /28 Sterlite Technologies Limited

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

Safety electronic technology(huizhou) Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #25,068 of 33,498 organizations by block count.