MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix24:A3:F0:80:00:00 /28
Vendor addressNo. 179, Keji Road, Hi-Tech. IDZ Weihai Shandong CN 246209
Country🇨🇳 China
RegisteredAug 29, 2024
Block range24:A3:F0:80:00:00– 24:A3:F0:8F: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.
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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.
Weihai Hualing Opto-electronics Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #32,041 of 33,427 organizations by block count.