MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:13:74:00:00:00 /24
Vendor address529 Almanor Avenue Sunnyvale CA US 94085-3512
Country🇺🇸 United States
RegisteredJan 23, 2005
Block range00:13:74:00:00:00– 00:13:74: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
- Jan 23, 2005 – Aug 18, 2007 Attansic Technology Corp. name changedaddress changedcountry changed
- Aug 18, 2007 – present Atheros Communications, Inc.
Example addresses in this block
Where this block sits
Previous
00:13:73:00:00:00 /24
BLwave Electronics Co., Ltd
Next
00:13:75:00:00:00 /24
American Security Products Co.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Atheros Communications, Inc. holds 2 registered blocks in the IEEE registry, ranking #1,546 of 33,421 organizations by block count.
Other blocks registered to Atheros Communications, Inc.