MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixC4:67:A1:00:00:00 /24
Vendor address777 Guanggu 3rd, Bldg. #16, 5th Floor, Wuhan Hubei, P. R. CN 430205
Country🇨🇳 China
RegisteredSep 23, 2025
Block rangeC4:67:A1:00:00:00– C4:67:A1: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
Accelight Technologies (Wuhan) Inc. holds 1 registered blocks in the IEEE registry, ranking #3,831 of 33,421 organizations by block count.