MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix74:5B:C5:20:00:00 /28
Vendor addressBlog No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao’an District, Shenzhen, 518101, China. Shenzhen Guangdong CN 518101
Country🇨🇳 China
RegisteredDec 13, 2018
Block range74:5B:C5:20:00:00– 74:5B:C5:2F: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
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74:5B:C5:10:00:00 /28
Beijing Inspiry Technology Co., Ltd.
Next
74:5B:C5:30:00:00 /28
OXON AG
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
SIGLENT TECHNOLOGIES CO., LTD. holds 1 registered blocks in the IEEE registry, ranking #27,344 of 33,427 organizations by block count.