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:2A:DF:40:00:00 /28
Vendor addressNo.228 Jiangning Road,Jiangkou,Fenghua Ning Bo Zhe Jiang CN 315504
Country🇨🇳 China
RegisteredFeb 23, 2023
Block range6C:2A:DF:40:00:00– 6C:2A:DF:4F: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
6C:2A:DF:30:00:00 /28
Johnson Controls IR, Sabroe Controls
Next
6C:2A:DF:50:00:00 /28
Xinjiang Ying Sheng Information Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Zhejiang Eternal Automation Sci-Tec Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #33,204 of 33,427 organizations by block count.