MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix0C:FE:5D:00:00:00 /28
Vendor addressD7-13F, Chengdu Tianfu Software Park, No. 599 Shijicheng South street, Gaoxin District, Chengdu, China Chengdu sichaun CN 610041
Country🇨🇳 China
RegisteredAug 12, 2018
Block range0C:FE:5D:00:00:00– 0C:FE:5D: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
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Chengdu Ledong Information & Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #8,260 of 33,421 organizations by block count.