MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:46:A0:00 /36
Vendor addressFloor 3, building 2, tiantong industrial park, gaofeng community, dalang street, longhua district Shenzhen Guangdong CN 518109
Country🇨🇳 China
RegisteredMar 20, 2020
Block range70:B3:D5:46:A0:00– 70:B3:D5:46:AF: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
Where this block sits
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70:B3:D5:46:90:00 /36
Gentec Systems Co.
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70:B3:D5:46:B0:00 /36
Airborne Engineering Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Vikings Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #26,984 of 33,421 organizations by block count.