MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix28:B4:FB:00:00:00 /24
Vendor address5D F1.6 Block,Tianfa Building,Tianan Chegongmiao Industrial park,Futian Dist shenzhen guangdong CN 518000
Country🇨🇳 China
RegisteredNov 27, 2018
Block range28:B4:FB:00:00:00– 28:B4:FB: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
Sprocomm Technologies CO.,LTD. holds 3 registered blocks in the IEEE registry, ranking #1,325 of 33,427 organizations by block count.
Other blocks registered to Sprocomm Technologies CO.,LTD.