Jinan Huake Electrical Device 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.

PrefixF4:70:0C:A0:00:00 /28

Vendor addressRoom 415-7, Hongxing Building, No.1 Hongxing Road, Licheng District, Jinan Shandong CN 250000

RegisteredSep 12, 2021

Block rangeF4:70:0C:A0:00:00– F4:70:0C: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

F4:70:0C:A0:00:00 F4:70:0C:A7:FF:FF F4:70:0C:AF:FF:FF

Where this block sits

Previous F4:70:0C:90:00:00 /28 Annapurna labs Next F4:70:0C:B0:00:00 /28 Shanghai Risingpo Electronics CO.,LTD

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

Jinan Huake Electrical Device Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #17,187 of 33,421 organizations by block count.