MA-S: a /36 block (also called an OUI-36 assignment), IEEE's smallest, covering 4,096 addresses.
Prefix70:B3:D5:46:90:00 /36
Vendor address5F., No.51-3, Fuxing Rd., Xindian Dist., New Taipei City TW 23150
Country🇹🇼 Taiwan
RegisteredDec 31, 2017
Block range70:B3:D5:46:90:00– 70:B3:D5:46:9F: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:D5:46:80:00 /36
Shanghai Junqian Sensing Technology Co., LTD
Next
70:B3:D5:46:A0:00 /36
Shenzhen Vikings Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Gentec Systems Co. holds 2 registered blocks in the IEEE registry, ranking #2,088 of 33,427 organizations by block count.
Other blocks registered to Gentec Systems Co.