MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1F:4B:00:00:00 /24
Vendor address3000 Skyline Dr. Mesquite TX US 75149
Country🇺🇸 United States
RegisteredDec 31, 2007
Block range00:1F:4B:00:00:00– 00:1F:4B: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 →
Ownership timeline
- Dec 31, 2007 – Feb 9, 2008 Tyco Electronics Power Systems name changed
- Feb 9, 2008 – present Lineage Power
Example addresses in this block
Where this block sits
Previous
00:1F:4A:00:00:00 /24
Albentia Systems S.A.
Next
00:1F:4C:00:00:00 /24
Roseman Engineering Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Lineage Power holds 1 registered blocks in the IEEE registry, ranking #18,529 of 33,421 organizations by block count.