MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1C:1E:00:00:00 /24
Vendor addressAlter Schlachthof 45 Karlsruhe Baden Wuerttemberg DE 76131
Country🇩🇪 Germany
RegisteredApr 8, 2007
Block range00:1C:1E:00:00:00– 00:1C:1E: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
00:1C:1D:00:00:00 /24
CHENZHOU GOSPELL DIGITAL TECHNOLOGY CO.,LTD
Next
00:1C:1F:00:00:00 /24
Quest Retail Technology Pty Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
emtrion GmbH holds 1 registered blocks in the IEEE registry, ranking #11,734 of 33,421 organizations by block count.