MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix1C:59:74:B0:00:00 /28
Vendor addressRoom 102,Building No.6,China Technology Venture Park,No.8,LaiGuangYing West Road,ChaoYang District Beijing Beijing CN 100012
Country🇨🇳 China
RegisteredFeb 24, 2022
Block range1C:59:74:B0:00:00– 1C:59:74: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.
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
Previous
1C:59:74:A0:00:00 /28
Viridi Parente, Inc.
Next
1C:59:74:C0:00:00 /28
King-On Technology Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing Flintec Electronic Technology Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,547 of 33,427 organizations by block count.