MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix90:A9:F7:50:00:00 /28
Vendor addressB, 2/F, Building A4, Silicon Valley Power Digital Industrial Park, No. 22, Dafu Industrial Zone, Guanlan Aobei Community, Guanlan Street, Longhua New District Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredSep 2, 2023
Block range90:A9:F7:50:00:00– 90:A9:F7:5F: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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90:A9:F7:40:00:00 /28
LAB-EL ELEKTRONIKA LABORATORYJNA
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90:A9:F7:60:00:00 /28
Shenzhen Eevin Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shenzhen DOOGEE Hengtong Technology CO.,LTD holds 6 registered blocks in the IEEE registry, ranking #528 of 33,427 organizations by block count.
Other blocks registered to Shenzhen DOOGEE Hengtong Technology CO.,LTD