MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:20:4D:00:00:00 /24
Vendor addressHANNS-BRAUN STRASSE 50 DE
Country🇩🇪 Germany
RegisteredApr 22, 1998
Block range00:20:4D:00:00:00– 00:20:4D: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
00:20:4C:00:00:00 /24
MITRON COMPUTER PTE LTD.
Next
00:20:4E:00:00:00 /24
NETWORK SECURITY SYSTEMS, INC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
INOVIS GMBH holds 1 registered blocks in the IEEE registry, ranking #16,186 of 33,427 organizations by block count.