MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix10:07:23:30:00:00 /28
Vendor addressF8 building 2, 2nd section, Gaoxinqi strategic emerging industry part, liuxian 1st Rd. the 67 district, Bao an district, shenzhen, china shenzhen guangdong CN 518100
Country🇨🇳 China
RegisteredOct 16, 2015
Block range10:07:23:30:00:00– 10:07:23:3F: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
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10:07:23:20:00:00 /28
Diginet Control Systems Pty Ltd
Next
10:07:23:40:00:00 /28
Audio Engineering Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Tongfang Computer Co.,Ltd. holds 2 registered blocks in the IEEE registry, ranking #3,276 of 33,427 organizations by block count.