MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:C0:64:00:00:00 /24
Vendor address353 Christian Street, Suite 4 Oxford CT US 06478
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:C0:64:00:00:00– 00:C0:64: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
- Apr 22, 1998 – Apr 20, 2017 GENERAL DATACOMM IND. INC. name changedaddress changed
- Apr 20, 2017 – present General Datacomm LLC
Example addresses in this block
Where this block sits
Previous
00:C0:63:00:00:00 /24
MORNING STAR TECHNOLOGIES, INC
Next
00:C0:65:00:00:00 /24
SCOPE COMMUNICATIONS, INC.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
General Datacomm LLC holds 2 registered blocks in the IEEE registry, ranking #2,081 of 33,427 organizations by block count.
Other blocks registered to General Datacomm LLC