MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixF4:B0:FF:00:00:00 /24
Vendor addressNO.123 JULI RD PUDONG ZHANGJIANG HIGH-TECH PARK SHANGHAI CN 201203
Country🇨🇳 China
RegisteredAug 21, 2025
Block rangeF4:B0:FF:00:00:00– F4:B0:FF: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.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
Shanghai Baud Data Communication Co.,Ltd. holds 10 registered blocks in the IEEE registry, ranking #319 of 33,427 organizations by block count.
Other blocks registered to Shanghai Baud Data Communication Co.,Ltd.