MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:04:9F:00:00:00 /24
Vendor address2100 East Elliot Tempe AZ US 85284
Country🇺🇸 United States
RegisteredDec 4, 2000
Block range00:04:9F:00:00:00– 00:04:9F: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
- Dec 4, 2000 – Jun 15, 2006 Metrowerks name changedaddress changed
- Jun 15, 2006 – present Freescale Semiconductor
Example addresses in this block
Where this block sits
Previous
00:04:9E:00:00:00 /24
Wirelink Co., Ltd.
Next
00:04:A0:00:00:00 /24
Verity Instruments, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Freescale Semiconductor holds 2 registered blocks in the IEEE registry, ranking #2,059 of 33,427 organizations by block count.
Other blocks registered to Freescale Semiconductor