MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:04:63:00:00:00 /24
Vendor address850 Greenfield Road Lancaster PA US 17601-5874
Country🇺🇸 United States
RegisteredNov 23, 2000
Block range00:04:63:00:00:00– 00:04:63: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
- Nov 23, 2000 – Jun 1, 2003 Philips Communication Security & Imaging name changed
- Jun 1, 2003 – present Bosch Security Systems
Example addresses in this block
Where this block sits
Previous
00:04:62:00:00:00 /24
DAKOS Data & Communication Co., Ltd.
Next
00:04:64:00:00:00 /24
Pulse-Link Inc
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Bosch Security Systems holds 2 registered blocks in the IEEE registry, ranking #1,656 of 33,427 organizations by block count.
Other blocks registered to Bosch Security Systems