MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:16:45:00:00:00 /24
Vendor address4200 Oakleys Ct. Richmond VA US 23223
Country🇺🇸 United States
RegisteredOct 29, 2005
Block range00:16:45:00:00:00– 00:16:45: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 29, 2005 – May 2, 2025 Power Distribution, Inc. name changed
- May 2, 2025 – present Eaton Corporation
Example addresses in this block
Where this block sits
Previous
00:16:44:00:00:00 /24
LITE-ON Technology Corp.
Next
00:16:46:00:00:00 /24
Cisco Systems, Inc
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Eaton Corporation holds 6 registered blocks in the IEEE registry, ranking #487 of 33,421 organizations by block count.
Other blocks registered to Eaton Corporation