Suzhou Siheng Science and Technology 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.

PrefixC0:83:59:B0:00:00 /28

Vendor address8 floor of Jincheng star, Yunhe road NO.150, gaoxin Zone, Suzhou Suzhou CN 215000

RegisteredApr 29, 2018

Block rangeC0:83:59:B0:00:00– C0:83:59:BF: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

C0:83:59:B0:00:00 C0:83:59:B7:FF:FF C0:83:59:BF:FF:FF

Where this block sits

Previous C0:83:59:A0:00:00 /28 SHANGHAI CHARMHOPE INFORMATION TECHNOLOGY CO.,LTD. Next C0:83:59:D0:00:00 /28 Gardner Denver Thomas GmbH

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

Suzhou Siheng Science and Technology Ltd. holds 1 registered blocks in the IEEE registry, ranking #28,718 of 33,427 organizations by block count.