macadress

Invisible Fun Studio Limited

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixB0:1B:4B:00:00:00 /24
Vendor address809, Block 2, Yip On Factory Est, Kowloon Bay HK 000000
Country🇭🇰  Hong Kong
RegisteredDec 10, 2021
Block rangeB0:1B:4B:00:00:00– B0:1B:4B: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

B0:1B:4B:00:00:00 B0:1B:4B:7F:FF:FF B0:1B:4B:FF:FF:FF

Where this block sits

Invisible Fun Studio Limited holds 1 registered blocks in the IEEE registry, ranking #16,539 of 33,421 organizations by block count.