CYG CONTRON CO.LTD

MA-S

MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.

Prefix70:B3:D5:A8:C0:00 /36

Vendor addressBUILDING A.NO.11 OF THE 6TH TECHNOGY ROAD,PHASE III OF TECNOLOGY INNOVATION COAST,ZHUHAI NATIONAL HI-TECH INDUSTRIES DEVELOPMENT ZONE Zhuhai CN 519000

Country🇨🇳 China

RegisteredJul 8, 2020

Block range70:B3:D5:A8:C0:00– 70:B3:D5:A8:CF:FF

Address capacity4,096

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

70:B3:D5:A8:C0:00 70:B3:D5:A8:C7:FF 70:B3:D5:A8:CF:FF

Where this block sits

Previous 70:B3:D5:A8:B0:00 /36 Giant Power Technology Biomedical Corporation Next 70:B3:D5:A8:D0:00 /36 Code Blue Corporation

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

CYG CONTRON CO.LTD holds 1 registered blocks in the IEEE registry, ranking #9,604 of 33,427 organizations by block count.