MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1F:1A:00:00:00 /24
Vendor address7, Bobruiskaya ulica Saint-Petersburg North-West Federal District RU 195009
Country🇷🇺 Russia
RegisteredDec 31, 2007
Block range00:1F:1A:00:00:00– 00:1F:1A: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
00:1F:19:00:00:00 /24
BEN-RI ELECTRONICA S.A.
Next
00:1F:1B:00:00:00 /24
RoyalTek Company Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Prominvest holds 1 registered blocks in the IEEE registry, ranking #23,566 of 33,421 organizations by block count.