MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix18:9B:A5:70:00:00 /28
Vendor address101, Building No.5, No.8 Chuangye Road., Haidian District Beijing Beijing CN 100085
Country🇨🇳 China
RegisteredMay 28, 2017
Block range18:9B:A5:70:00:00– 18:9B:A5:7F: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
Previous
18:9B:A5:60:00:00 /28
Mantra Softech India Pvt Ltd
Next
18:9B:A5:80:00:00 /28
Shenzhen Tong Tai Yi information Technology Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Beijing Xinertel Technology Co., Ltd. holds 1 registered blocks in the IEEE registry, ranking #6,773 of 33,427 organizations by block count.