MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1D:01:00:00:00 /24
Vendor addressMednarodni mejni prehod 6 Vrtojba Nova Gorica SI 5290
Country🇸🇮 Slovenia
RegisteredJun 16, 2007
Block range00:1D:01:00:00:00– 00:1D:01: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
00:1D:00:00:00:00 /24
Brivo Systems, LLC
Next
00:1D:02:00:00:00 /24
Cybertech Telecom Development
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Neptune Digital holds 1 registered blocks in the IEEE registry, ranking #20,882 of 33,421 organizations by block count.