MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix38:F4:06:00:00:00 /24
Vendor addressFloor F1 & Part of Floor F2, Building No. 9,Diya shuang chuang Industrial Zone, No.2566,Century Main Road,Gaoxin District Jinan,Shandong China Shandong Jinan CN 250014
Country🇨🇳 China
RegisteredApr 30, 2026
Block range38:F4:06:00:00:00– 38:F4:06: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
Jinan USR IOT Technology Limited holds 3 registered blocks in the IEEE registry, ranking #1,134 of 33,427 organizations by block count.
Other blocks registered to Jinan USR IOT Technology Limited