SZBROAD TECHNOLOGY (HK) CO.,LTMITED (A0:19:B2:50:00:00 /28)

SZBROAD TECHNOLOGY (HK) CO.,LTMITED 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.

PrefixA0:19:B2:50:00:00 /28

Vendor addressFLAT/RM 5 BLK B 14/F WAH HEN COMMERCIAL CENTRE 383 HENNESSY ROAD WANCHAI Hong Kong HK 00000

Block rangeA0:19:B2:50:00:00– A0:19:B2:5F: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

A0:19:B2:50:00:00 A0:19:B2:57:FF:FF A0:19:B2:5F:FF:FF