Amgen U.S.A. Inc.

MA-L
MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixA0:B8:F8:00:00:00 /24
Vendor address1 Amgen Center Drive Thousand Oaks CA US 91320
RegisteredAug 6, 2016
Block rangeA0:B8:F8:00:00:00– A0:B8:F8: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

Amgen U.S.A. Inc. holds 1 registered blocks in the IEEE registry, ranking #4,963 of 33,427 organizations by block count.