MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix8C:5F:48:00:00:00 /24
Vendor address3901 North First Street San Jose CA US 95134
Country🇺🇸 United States
RegisteredJun 3, 2017
Block range8C:5F:48:00:00:00– 8C:5F:48: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
- Jun 3, 2017 – Dec 13, 2025 Continental Intelligent Transportation Systems LLC name changed
- Dec 13, 2025 – present AUMOVIO Systems, Inc.
Example addresses in this block
Where this block sits
AUMOVIO Systems, Inc. holds 6 registered blocks in the IEEE registry, ranking #472 of 33,427 organizations by block count.
Other blocks registered to AUMOVIO Systems, Inc.