MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix44:A9:2C:50:00:00 /28
Vendor addressNo. 25, Tianrong road, Tianliao second industrial park, Yutang street, Guangming new district Shenzhen Guangdong CN 518132
Country🇨🇳 China
RegisteredMay 15, 2021
Block range44:A9:2C:50:00:00– 44:A9:2C:5F: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
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44:A9:2C:40:00:00 /28
NetX Networks a.s.
Next
44:A9:2C:60:00:00 /28
Ningbo joyson new energy automotive technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen Lianfaxun Electronic Technology Co., Ltd holds 2 registered blocks in the IEEE registry, ranking #3,012 of 33,427 organizations by block count.