MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix84:39:BE:90:00:00 /28
Vendor addressYuexiu District of Shuiyin Road No.56th courtyard No.1 building six-floor Guangzhou Guangdong CN 510627
Country🇨🇳 China
RegisteredSep 15, 2015
Block range84:39:BE:90:00:00– 84:39:BE: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 →
Ownership timeline
- Sep 15, 2015 – Sep 19, 2015 Guangdong SunMeng Information Technology?Co. Ltd. name changedaddress changed
- Sep 19, 2015 – present Guangdong SunMeng Information Technology Co. Ltd.
Example addresses in this block
Where this block sits
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Guangdong SunMeng Information Technology Co. Ltd. holds 1 registered blocks in the IEEE registry, ranking #14,108 of 33,427 organizations by block count.