MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix40:ED:98:00:00:00 /28
Vendor addressWangzhuang Road No.1, Haidian District, Beijing, Tsinghua Tongfang Technology Plaza. D 21st Floor Beijing Beijing CN 100083
Country🇨🇳 China
RegisteredSep 25, 2016
Block range40:ED:98:00:00:00– 40:ED:98:0F: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.
Tsinghua Tongfang Co., LTD holds 1 registered blocks in the IEEE registry, ranking #30,620 of 33,421 organizations by block count.