Beijing Zhongyuanyishang 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.
Prefix58:48:49:00:00:00 /28
Vendor addressUnit 404, 4th Floor, Building 12, Yard 69, Fushi Road, Haidian District, Beijing Beijing CN 100000
Country🇨🇳 China
Block range58:48:49:00:00:00– 58:48:49:0F: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 Zhongyuanyishang Technology Co Ltd