MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix88:81:87:00:00:00 /24
Vendor addressRoom 1208-09, Research Building, Tsinghua Information Port, No. 1, Xindong Road, Nanshan District, Shenzhen Shenzhen Guangdong CN 518000
Country🇨🇳 China
RegisteredMay 4, 2023
Block range88:81:87:00:00:00– 88:81:87:FF:FF:FF
Address capacity16,777,216
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.
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Example addresses in this block
Where this block sits
Umeox Innovations Co.,Ltd holds 3 registered blocks in the IEEE registry, ranking #1,373 of 33,427 organizations by block count.
Other blocks registered to Umeox Innovations Co.,Ltd