MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix5C:85:7E:90:00:00 /28
Vendor addressNo. 88, Baotongnan Road, Xikeng, Yuanshan Street, Longgang District Shenzhen Guangdong CN 518100
Country🇨🇳 China
RegisteredMay 22, 2020
Block range5C:85:7E:90:00:00– 5C:85:7E:9F: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
5C:85:7E:80:00:00 /28
BeiJing Xinsheng Technology Co.,Ltd
Next
5C:85:7E:A0:00:00 /28
Zhejiang Jetron Ark Digital Technology Co., Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Express LUCK Industrial Ltd. holds 2 registered blocks in the IEEE registry, ranking #2,015 of 33,421 organizations by block count.
Other blocks registered to Express LUCK Industrial Ltd.