MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:20:61:00:00:00 /24
Vendor address47823 Westinghouse Dr. Fremont CA US 94539
Country🇺🇸 United States
RegisteredApr 22, 1998
Block range00:20:61:00:00:00– 00:20:61: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 – Aug 18, 2007 DYNATECH COMMUNICATIONS, INC. name changedaddress changed
- Aug 18, 2007 – present GarrettCom, Inc.
Example addresses in this block
Where this block sits
Previous
00:20:60:00:00:00 /24
ALCATEL ITALIA S.p.A.
Next
00:20:62:00:00:00 /24
SCORPION LOGIC, LTD.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
GarrettCom, Inc. holds 1 registered blocks in the IEEE registry, ranking #13,348 of 33,421 organizations by block count.