MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:05:E6:00:00:00 /24
Vendor address165 Forest St. Marlboro MA US 01752
Country🇺🇸 United States
RegisteredJun 4, 2001
Block range00:05:E6:00:00:00– 00:05:E6: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
00:05:E5:00:00:00 /24
Renishaw PLC
Next
00:05:E7:00:00:00 /24
Netrake an AudioCodes Company
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Egenera, Inc. holds 1 registered blocks in the IEEE registry, ranking #11,295 of 33,427 organizations by block count.