MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix78:CA:83:B0:00:00 /28
Vendor addressF5, Huichuang Building ,No.88, Headquarters Business Garden Nanhu District, Jiaxing Zhejiang CN 314000
Country🇨🇳 China
RegisteredNov 15, 2015
Block range78:CA:83:B0:00:00– 78:CA:83:BF: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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78:CA:83:A0:00:00 /28
Eksagate Elektronik Mühendislik ve Bilgisayar San. Tic. A.Ş.
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78:CA:83:C0:00:00 /28
Elanview Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Zhejiang Science Electronic Tech Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #33,235 of 33,421 organizations by block count.