MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix88:5D:90:70:00:00 /28
Vendor address5F., No.139, Songjiang Rd., Zhongshan Dist., Taipei City 10485, Taiwan (R.O.C.) Taipei Taiwan TW 10485
Country🇹🇼 Taiwan
RegisteredOct 16, 2015
Block range88:5D:90:70:00:00– 88:5D:90:7F: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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88:5D:90:60:00:00 /28
Hi-Profile Achievement (M) Sdn Bhd
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88:5D:90:80:00:00 /28
Creative Sensor Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Schmidt & Co.,(H.K.)Ltd. holds 1 registered blocks in the IEEE registry, ranking #25,332 of 33,421 organizations by block count.