MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:19:F9:00:00:00 /24
Vendor address405 Essex Road Neptune NJ US 07753
Country🇺🇸 United States
RegisteredOct 16, 2006
Block range00:19:F9:00:00:00– 00:19:F9: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
- Oct 16, 2006 – Jun 23, 2009 Lambda name changed
- Jun 23, 2009 – present TDK-Lambda
Example addresses in this block
Where this block sits
Previous
00:19:F8:00:00:00 /24
Embedded Systems Design, Inc.
Next
00:19:FA:00:00:00 /24
Cable Vision Electronics CO., LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
TDK-Lambda holds 1 registered blocks in the IEEE registry, ranking #29,267 of 33,427 organizations by block count.