MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix34:E1:D1:00:00:00 /28
Vendor addressNo.29 Factory No.156 Nanhai Road,TEDA Tianjin CN 300050
Country🇨🇳 China
RegisteredJan 10, 2019
Block range34:E1:D1:00:00:00– 34:E1:D1:0F: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.
Tianjin Sublue Ocean Science & Technology Co., Ltd holds 1 registered blocks in the IEEE registry, ranking #30,057 of 33,427 organizations by block count.