MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:1D:B3:00:00:00 /24
Vendor address8000 Foothills Blvd Roseville CA US 95747
Country🇺🇸 United States
RegisteredAug 18, 2007
Block range00:1D:B3:00:00:00– 00:1D:B3: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
- Aug 18, 2007 – Mar 27, 2013 ProCurve Networking by HP name changed
- Mar 27, 2013 – present HPN Supply Chain
Example addresses in this block
Where this block sits
Previous
00:1D:B2:00:00:00 /24
HOKKAIDO ELECTRIC ENGINEERING CO.,LTD.
Next
00:1D:B4:00:00:00 /24
KUMHO ENG CO.,LTD
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
HPN Supply Chain holds 5 registered blocks in the IEEE registry, ranking #587 of 33,427 organizations by block count.
Other blocks registered to HPN Supply Chain