MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix44:20:63:00:00:00 /24
Vendor addressSiemensstr. 12 Regensburg DE 93055
Country🇩🇪 Germany
RegisteredJan 12, 2023
Block range44:20:63:00:00:00– 44:20:63: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.
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Ownership timeline
- Jan 12, 2023 – Dec 13, 2025 Continental Automotive Technologies GmbH name changed
- Dec 13, 2025 – present AUMOVIO Germany GmbH
Example addresses in this block
Where this block sits
AUMOVIO Germany GmbH holds 3 registered blocks in the IEEE registry, ranking #923 of 33,421 organizations by block count.
Other blocks registered to AUMOVIO Germany GmbH