BEIJING CUNYIN CHENGQI TECHNOLOGY CO., 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.
Prefix6C:27:C8:70:00:00 /28
Vendor address1201-02,12th Floor,Building 1,No.13,Linyin North Street,Pinggu District Beijing CN 101200
Country🇨🇳 China
Block range6C:27:C8:70:00:00– 6C:27:C8:7F: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
Other blocks registered to BEIJING CUNYIN CHENGQI TECHNOLOGY CO., LTD.