Bethlabs(Tianjin)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.

Prefix34:B5:F3:A0:00:00 /28

Vendor addressSuite 109, 24 Minhe Road, Xiqing Economic and Technological Development Zone Tianjin Tianjin CN 300380

RegisteredJul 18, 2025

Block range34:B5:F3:A0:00:00– 34:B5:F3:AF: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

34:B5:F3:A0:00:00 34:B5:F3:A7:FF:FF 34:B5:F3:AF:FF:FF

Where this block sits

Previous 34:B5:F3:90:00:00 /28 Shenzhen PeakVic Technology Co.,Ltd Next 34:B5:F3:B0:00:00 /28 Aeterlink Corp.

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

Bethlabs(Tianjin)Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,910 of 33,421 organizations by block count.