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:80:00:00 /28
Vendor address1-1827, East (LIANHANG building), chaichangtun village, Yongledian Town, Tongzhou District BeiJing BeiJing CN 250100
Country🇨🇳 China
RegisteredMay 19, 2020
Block range5C:85:7E:80:00:00– 5C:85:7E:8F: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:70:00:00 /28
Beijing HZFD Technology Co., Ltd
Next
5C:85:7E:90:00:00 /28
Express LUCK Industrial Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
BeiJing Xinsheng Technology Co.,Ltd holds 1 registered blocks in the IEEE registry, ranking #6,774 of 33,427 organizations by block count.