MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1B:F3:00:00:00 /24
Vendor addressMertensstrasse 63 Berlin DE 13587
Country🇩🇪 Germany
RegisteredApr 8, 2007
Block range00:1B:F3:00:00:00– 00:1B:F3: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
Previous
00:1B:F2:00:00:00 /24
KWORLD COMPUTER CO., LTD
Next
00:1B:F4:00:00:00 /24
KENWIN INDUSTRIAL(HK) LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TRANSRADIO SenderSysteme Berlin AG holds 1 registered blocks in the IEEE registry, ranking #30,438 of 33,427 organizations by block count.