MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix94:3E:FD:70:00:00 /28
Vendor address1201-02,12th Floor,Building 1,No.13,Linyin North Street,Pinggu District Beijing CN 101200
Country🇨🇳 China
RegisteredFeb 28, 2025
Block range94:3E:FD:70:00:00– 94:3E:FD:7F: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
Where this block sits
Previous
94:3E:FD:60:00:00 /28
Shenzhen Gigaopto Technology Co., Ltd.
Next
94:3E:FD:80:00:00 /28
LUIS Technology GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD. holds 5 registered blocks in the IEEE registry, ranking #556 of 33,427 organizations by block count.
Other blocks registered to BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD.