MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix04:11:19:C0:00:00 /28
Vendor addressRoom 2, Floor 1, Unit 6, Building 2,Yuanshi Street 35, Nangang District Haerbin Heilongjiang CN 150000
Country🇨🇳 China
RegisteredDec 19, 2020
Block range04:11:19:C0:00:00– 04:11:19:CF: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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04:11:19:B0:00:00 /28
Hubei Baobao Intelligent Technology Co.,LTD
Next
04:11:19:D0:00:00 /28
Nuance Hearing Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Haerbin Donglin Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #14,293 of 33,427 organizations by block count.