macadress

PROCET Technology Co., Ltd(HK)

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.
Prefix8C:51:09:20:00:00 /28
Vendor addressFlat B,4/F, Kjngswell Commercial Tower, 171-173 Lockhard Road, Wanchai, Hongkong Hong kong HK 999077
Country🇭🇰  Hong Kong
RegisteredApr 9, 2022
Block range8C:51:09:20:00:00– 8C:51:09:2F: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

8C:51:09:20:00:00 8C:51:09:27:FF:FF 8C:51:09:2F:FF:FF

Where this block sits

Previous 8C:51:09:10:00:00 /28 Amzetta Technologies, LLC Next 8C:51:09:30:00:00 /28 SHENZHEN LDROBOT CO., LTD.

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

PROCET Technology Co., Ltd(HK) holds 1 registered blocks in the IEEE registry, ranking #23,490 of 33,427 organizations by block count.