MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix1C:57:3E:00:00:00 /24
Vendor addressNIF 504705610, Rua Eng. José Ferreira Pinto Basto Aveiro PT 3810-106
Country🇵🇹 Portugal
RegisteredApr 24, 2021
Block range1C:57:3E:00:00:00– 1C:57:3E: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
- Apr 24, 2021 – Oct 26, 2024 Altice Labs S.A. name changed
- Oct 26, 2024 – present Altice Labs
Example addresses in this block
Where this block sits
Altice Labs holds 5 registered blocks in the IEEE registry, ranking #548 of 33,421 organizations by block count.
Other blocks registered to Altice Labs